Electroplating Category

Home , Draft (engineering)

18140 PROPOSED RULES ENVIRONMENTAL PROTECTiON with regulations Issued by the Adminis- Section 307(c) of the Act requires the AGENCY trator pursuant to section 304(b) of the Administrator to promulgate protreat- Act. ment standards for new sources at the [40 CFR Part 413] Section 304(b) of the Act requires the same time that standards of perform- I- .L 361-4] .Administrator to publish regulations pro- ance for new sources are promulgated viding guidelines for effluent HImitations pursuant to section 206. Section 413.16 ELECTROPLATING MANUFACTURING setting forth the degree of effluent reduc- -proposed below amends the pretreatment POINT SOURCE CATEGORY tion attainable through the application standard for new sources within the Standards of Performance for New Sources of the best'practicable control technology electroplating of common metals sub- and Pretreatment Standards for Existing currently available and the degree of ef- category (Subpart A) and 1§ 413.26, and New Sources fluent reduction attainable through the 413.46, 413.56,-and 413.66, proposed below, Notice is hereby given that effluent limi- application of the best control measures provide pretreatment standards for now tations and guidelines for existing and practices achievable Including treat- sources within the precious metals plat- sources, standards of performance and Jnent techniques, process and procedural Ing subcategory milling subcate- are proposed by the Environmental Pro- pursuant to sections 301 and 304(b). of gory (Subpart F) of the -electroplating tection Agency (EPA). On March 28, the Act, for the electroplating of -com- manufacturing point source category. 1974, EPA promulgated a regulation add- mon metals (Subpart A). electroplating Section 307(b) of the Act requires the of precious metals subcategory (Subpart establishment of pretreatnent standards ing Part 413 to Chapter 40 of the Code 3). electroplating.of specialty metals sub- for pollutants Introduced Into publicly of -Federal Regulations (39 73R 11510). .category (Subpart C). anodizing subcate- owned treatrjent works and 40 CFR Part That regulation 'with subsequent amend- 128 establishes that the Agency will pro- ments establishedeffluent limitations -and gory (Subpart D), coatings subcategory (Subpart E), and chemical etching and pose bpeciflc pretreatment standards at guidelines for existing sources andstand- illing subcategory (Subpart F) of the the time effIuent limitations are estab- ards of performance and -pretreatment electroplating 'manufacturing point lished for point source discharges. Sec- standards for new sources for the elec- source category. tion 413.14 proposed below amends the troplating manufacturing point source proposed pretreatment standards for the category. The -regulation proposed below Section 304(c) of the Act requires the Adniistratorto issue to the States and electroplating of common metals sub- will amend 40 UFM Part 413-electroplat- appropriate water pollution control agen- category (Subpart A) and §1413.24, Ing manufacturing point source category -cies information on the processes, proce- 413.14, 413.54, and 413.64 proposed below by deleting - 413.13(b) and revising dures or operating methods which result provide pretreatment standards for ox- §§ 413.14, 413.15, and 413.16 of electro- isting sources within the electroplating plating of common metals subcategory in the elimination or reduction of the discharge. of pollutants to implement of precious metals subcategory (Subpart (Subpart A) and adding t§ 413.23, 413.24, standards of performance under -section B), the anodizing subcategory (Subpart 413.25, and 413.26 to 'the electroplating 306 of the Act. -The reports or "Develop- D), and the coatings subcategory (Sub- of precious metals subcategory-(Subpart ment Documents" referred to below pro- part E) and -the chemical etching and B), §§ 413.43, 413.44, 413.45, and 413.46 vide. pursuant to section 304(c) of the milling subcategory (Subpart F) of to the anodizing subcategory (Subpart -Act, information on such processes, pro- the electroplating manufacturing point D), §§ 413.53, 413.54, 413.55, and 413.56 vedures or operating methods. source category. to the coating subcategory (Subpart E) Section 306 of the Act requires the (b) Summary and Basis of Proposed and §§413.63, 413.64, 413.65, and 413.66 achievement by new sources of a Feoi- Effluent Limitations for Existing Sources to the chemical etching and milling sub- eral standard of-performance providing and Standards of Performance and Pro- category (Subpart F), pursuant to sec- for the control of the discharge of pol- treatment Standards for New Sources tions 301,304 (b) and (c) ,'306(b) and307 lutants which reflects the greatestdegree and Pretreatment Standards for Existing (b) and (c) of the Federal Water'Pollu- of effluent reduction which the Admin- Sources. tion Control Act, as amended (33 U.S.C. Istrator determines to be achievable The general methodology and sum- 1251, 1311, 1314 (b) and (c), 1316(b) and -through application of the best available mary of conclusions are discussed In con- 1317 (b) and (c), 86 Stat. 816 et seq.; demonstrated control technology, proc- slderable detail in the preamble of the Pub. L. 92-500) (the Act). Simultana- esses, operating methods, or other alter- interimlfinal regulations for the electro- ously with this proposed rul6 making EPA natives, including, where practicable, -a plating of common metals subcategory Is promulgating interim final regulations standard permitting no discharge of

FEDERAL REGISTER, VOL 40, NO. 80--THURSDAY, APRIL 24, 1975 PROPOSED RULES 18141

30982).- The regulation proposed below of these documents are being sent to per- lined In the advance notice concerning applies to users of publicly owned treat- sons or institutions affected by the pro- public review procedures published on ment works which fall within the de- -Posed regulation or who have placed August 6,1973 (38PR21202). .scription of the point source category to themselves on a mailing list for this pur- Dated: April 9,1975. which the limitations and standards ap- pose (see EPA's Advance Notice of Pub- ply. However, the proposed pretreatment lic Review Procedures, 38 FR 21202, Au- JoHN QUARLES, Acting Administrator. * regulation applies to the introduction of gust 6, 1973). An additional limited pollutants which are directed into a pub- number of copies of both reports are PART 413--ELECTROPLATING icly owned treatment works, rather than available. Persons wishing to obtain a POINT SOURCE CATEGORY to discharges of pollutants to navigable copy may write the EPA Office of Pub- Subpart -Electroplatlng of Common Metals- waters. -- lic Affairs, Environmental Protection Subcategory r Sec. The general pretreatment standard di- Agency, Washington, D.C. 20460, Atten- 413.13 Effluent limitations guidelines rep- vides pollutants discharged by users of tion: Ms. Ruth Brown, A-107. is promulgated,* resetnting the degree of effluent publicly owned treatment works into two When this regulation reduction attainable by the ap- broad categories; "compatible" and "in- revised copies of the Development pUcatlon of the best available tech- compatible." Compatible pollutants are Document will be available from the Su- nology economically achievable. generally not subject to pretreatment perintendent of Documents, Government 413.14 Pretreatment standards for existing standards. However, 40 CFR 128.131 Printing Office, Washington, D.C. 20402. sources. (prohibited wastes) may be applicable to Copies of the Economic Analysis will be 413.15 Standards of performance for new compatible pollutants. Additionally, 1o- available through the National Techni- sources. ap- cal Information Service, Springfield, Vir- 413.16 pretreatment standpds for new cal pretreatment requirements may sources. ply (See 40 OF. 128.110). Incompatible. ginta 22151. pollutants are subject generally to pre- (c) Summary of public participation. Subpart B-Eectroplating of Precious Metals treatment standards as provided In 40 A full listing of participants and discus- Subcategory - C1R 128.133...... slon of comments and responses is In- 41323 Effluent limitations guidelines rep- Sections 413.14, 413.24; 413.44, 413.54, *clgded in the preamble of the interim resenting the degree of effluent re- and413.64 of the regulation proposed be- final regulation for the electroplating of duction attainable by the appli- low are intended to implement that por- common metals, electroplating of pre- cation of the best available tech- tion of § 128.133, above, requirifig that a cious metals, anodizlng,- coatings and nology economically achievable. etching and milling subcate- 413.24 Pretreatment standards for existing separate provision be made stating the chemical sources. application to pretreatment standards of gorles being simultaneously promulgated 413.25 Standards of performance for new effluent limitations based upon best 'by EPA and are incorporated herein by sources. practicable -control technology currently reference. 413.26 Pretreatment standards for new available. - Interested persons may participate in sources. Questions were, raised during the pub- this rulemaking by submitting written Subpart C-Eectroplating of Specialty Metals lic comment period on the-proposed gen- comments In triplicate to the EPA Of- Subcategory EReservedl fice Affairs, EnvironmentalPro- eral pretreatment %standard (40 CFR of Public Subpart D-Anodizing Subcategory Part 128) about the propriety of apply- tection Agency, Washington, D.C. 20460, ing a standard based upon best practi- Attention: Ms. Ruth Brown, A-107. Corn- 413.43 Effluent limitations guidelines rep- on all aspects of the proposed reg- resenting the degree of effluent re- cable Control technolbgy curreiitly avail- ments duction attainable by the appli- able to all plants subject to pretreatment ulatlon are solicited. In the event com- cation of the best available tech- standards. In general, EPA believes the "ments are in the nature of criticisms as nology economically achievable. analysis supporting the effluent limita- to the adequacy of data which are avail- 413.44 Pretrentment standards for existing tions and' guidelines is adequate to make able, or which may be relied upon by the sources. a determination regarding the applica- Agency, comments should Identify and, 413.45 Standards of performance for new tloxof thos& standards to users of pub- if possible, provide any additional data sources. licly owned treatment works. However, which may be avalable and should indi- 413.46 Pretreatment standards for new to ensure that those standards are ap- cate why such data are essential to the sources. propriate in all cases, EPA now seeks development of the regulations. In the Subpart E--Coatngs Subcategory approach additional comments focusing upon the 'event comments address the 413.53 Effluent limitations guidelines rep- application of effluent limitationg guide- taken by the Agency in establishing a resenting the degree of effluent re- lines to users of publicly, owned treat- standard of performance or pretreat- duction attainable by the appl- ment works. - ment standard, EPA solicits suggestions cation of the best available tech- The reports entitled I Development as to what alternative approach should nology economically achievable. Document for Interim Final Effluent be taken and why and how this alterna- 413.54 Pretreatment standards for existing Limitations and Guidelines and Proposed tive better satisfies the detailed require- sources. (c) 413.55 Standards of performance for new New Source Performance Standards for -ments of sections 306 and 307 (b) and sources. -the-Metal Finishing Segment of the Elec- of the Act. 413.56 Pretreatment standards for new .troplating'Manufacturing Point Source A copy of all public comments will be sources. Category" and the "Development Docu- available for inspection and copying at Subpart F-Chemical Etching and Milling -iment for Interim Final Effluent Limita- the EPA Freedom of Information Center, Subcategory -tions and. Guidelines and Proposed New Room 204, West Tower, Waterslde MaIl, Source. Performance Standards for the 401 M Street SW., Washington, D.C. A 413.63 Effluent limitations guidelines repre- draft contractor resenting the degree of effluent re- Precious and.Other Metals Segment of copy of preliminary duction attainable by the applica- the Electroplating Manufacturing Point ports, the Development Documents and tion of the best available tech- Source Category" detail the analysis un- economic study referred to above, and nology economically achievable. -dertaken in support of the regulation be- certain supplementary materials sup- 413.04 Pretreatment standards for existing ing proposed herein and Is available for porting the study of the Industry con- Source:L inspectlon in the EPA Freedom of Infor- cerned will also be maintained at this 413.65 Standards of performance for new mation Center,.Room 204, West Tower, location for public review and copying. sources Waterside-Mall, Washington, D.C., at all The EPA information regulation, 40 CFR 413.66 Pretreatment standards for new EPA regional offices, and at State water Part 2, provides that a reasonable fee sources for copying. Pollution control offices. A supple- -maybe charged Auozzcr: Secs. 301, 304 (b) and (c). 308 All comments received on or before (b) and (c) and 307 (c). Federal Water Pot- mentary analysis prepared for EPA of May 27, 1975 will be considered. Steps lution Control Act, as amended (33 U.S.0. -the possible economic effects of the pro- -previously taken by the Environmental 1251. 131. 1314 (b) and (c). 1315 (b) and posed regulation Is also available for In- Protection Agency to facilitate public (o) and 1317 (o)), 8e Stat 816aseq. Pub. spection at these locations. Copies of both response within this time period are out- Ii. 9-500. - I

FEDERAL REGISTER, VOL 40, NO. 80-THURSDAY, APRIL 24, 1975 • 18142 PROPOSED RULES

Subpart A-Electroplating of Common (f) Pursuant to section 308 of the Act, Metals Subcategory Effluent limitations the owner or operator of a point source Average of subject to the provisions of this subpart Part 413 Is proposed to be amended as ue am o daily values follows: uen Z~ahnum or for thirty shall maintain records of production ex- characterist any one day conwecutivo pressed in sq m or sq ft as defined in Subpart A is amended by revising days shall § 413.11 for the purpose of determining §§ 413.13. 413.14, 413.15, and 413.16 as not exceed- compliance with the effluent limitations follows: (English unit,) pounds per million in § 413.14(a) of this subpart. For the zquaro feet per operation purpose of complying with the require- § 413.13 Effluent limitations guidelines Copper ...... 32.7 ..... = 16.4 ments of this paragraph, a discharger representing the degree of effluent Nickel .2.7. ----- 16.4 reduction attainable by the applica Cr TotaL - ...... 1._.16.4 may establish a correlation between area C ----.L . .------. .L6 plated and another parameter, such as tion of the best available technology Zinc .....------... . 32.7 ------16.4 economically achievable. ON, Total. -- 32.7 ...... 16.4 ampere-hours used in plating. CN, A..-...... 3.3 ..-..- 1.6 § 413.15 Standards of performance for (a) The following limitations estab- Fluoride.._- = 1303 ---- 65 Cadmium.._. 19.2...... 9.6 new sources. lish the quantity or quality of pollutants Lead ------___32.7 ...... 16.4 or pollutant properties, controlled by Iron... . 65.4 ...... 32.7 (a) The following standards of per- this Tin.------5.4...... 3....32.7 formance establish the quantity or section, which may be discharged by a Phosphorus-.. 65.4 .... 32.7 TS- ...... -- 1303-...... 654 quality of pollutants or pollutant proper- point source subject to the provisions of _pH - - - - Within the ------A es, controlled by this section, which range 6.0 to this subpart after application of the 9.5. may be discharged by a new source sub- best availabfe technology econmcally ject to the provisions of this subpart: achievable: There shall be no discharge (b) The post plating steps of chromat- Ing, if followed by a rinse, phosphating Effluent limitations of process waste water pollutants to and coloring may be included under the navigable waters. Effluent Average of dally term "operation" for the purpose of cal- characterIstle Mfaximum for values for thirty culating effluent discharges, providing any one day conseutlive day § 413.14 Pretreatment standards for shall not exceed- existing sources. such steps are an integral part of the plating line. The pretreatment standard under sec- (c) Stripping, where followed by a (Metric units) migrams per square moters pa tion 307(b) of the Act for asource with- rinse and conducted in conjunction with operation in the common metals plating sub- electroplating for the purpose of salvag- ing improperly Copper------8 ...... 40 category which is a user of a publicly plated parts, may be in- iNlckoL - --- ...... 40 cluded under the term "operation" for Cr Total ------...0- 40 owned treatment works and a major con- the purpose of calculating effluent dis- zinc------6 40 tributing industry as defined in 40 CFR charges. ON, Total ...... 89 ..... do Part 128 (and which would be an exist- (d) Electroless plating on non-metallic ON A 8 ...... 4 Fluorde -...... -. 3200 .... l00 Ing point source subject to section 301 materials for the purpose of providing a Cadmium....------...... 21 conductive surface on the basis material, Lead-...... 80 .0 4...... of the Act, if It were to discharge pol- Iron.----- 160 ...... 0 preceding the actual electroplating step, Phosphorus..------160 ...... so lutants to the navigable waters), shall be forming an integral step in the plating the standard set forth in 40 CFR Part TS8 ------3200 ..... 1600 line and followed by a rinse may be in- pH ------Withintherango ...... a 128, except that, for the purpose of this cluded under the term "operation" for 6.0 to 9.5. section, 40 CFR 128.121, 128.122, 128.132, the purpose of calculating effluent dis- (English units) pounds per million square feet per and 128.133 shall not apply. charges. operation (e) For any point source subject to (a) The following pretreatment Copper------10.4 .. . -8,2 such effluent limitations with a total em- TNickeL...... 10.4...... 6.2] standard establishes the quantity or ployment of less than 11 persons, with a Cr Total-- -16.4...... 8, quality of pollutants or pollutant prop- CrI------. 1.06..-- ...... 0 discharge from the establishment of Zin.. ------16.4-...... -- 6.2 erties controlled by this section which waste water generated from the electro- CN, TotaL-...... 1A ...... 8.2 may be plating process of, less than 7,800 liters ON, A-...... 1M...... discharged to a publicly owned Flnorido. .. 54 327 treatment works by a point source sub- per hour (2,061 gallons per hour) and Cadmm...... 9.0...... -8 4, with a production rate of less than 4.9 Lead ------. 16A ...... 8.2 Ject to the provisions of this subpart. Iron .... --- .- 32.7 ...... 10.4 sq In per hour per employee (52.7 sq ft Phosphorus...... 32.7,...... --- 1614 per hour per employee), the following ...... 65t...... 327 -S Effluent ilmitat ons limitations establish the quantity or pH ------Within therang ...... Effluent Average of daly quality of pollutants or pollutant proper- 0.0 to 9.6. characteristic Maximum for values for thirty ties, controlled by this section, which any one day conseutive days shall not exceed- may be discharged: (b) Pursuant to section 308 of the Act, Effluent Limitations the owner or operator of a point source subject to the provisions of this subpart (Metrio unts) milligrams per Effluent Average of daily square meters per operation Characteristic Maximum for values for thirty shall maintain records of production ex- any one day consecutive days pressed in sq m or sq It as defined In Coppr ....- 160 . .-- 80 shall not exceed- § 413.11 for the purpose of determining Nickel-----... ------160 so (Metricunlts) milligrams parsqdare meters per operation compliance with the effluent limitations Cr TotaL 160 80 CN,...... 16------.-.. .. 8 .----- in § 413.15(a) of this subpart. For the CAin.------Zinc...... 160_160...... 08------sON, Total 60 -purpose of complying with the require- ON, Total------160 ------so Flow ------= Equalize ...... CN, A------16. 8 p ...... _= Within thea ...... - ments of this paragraph, a discharger Fluoride-...-----6400 .------3200 range 6.0 to may establish a correlation between area Cadmium ------903 ------48 9.0. Lea ------160 - ...... 80 (English units) pIounds per million square feet par plated and another parameter, such as Iron.------320------160 operation ampere-hours used in plating. Tin...... -..... 320 ------160 CN, A-...------3.3-. .. 1.6 Pho3phorus. 320... . 160 ON, Total. .... 32.7 -...... -- 16.4 § 413.16 Pretreatment standards for TwSth....in _ 640 -- -2003 Flow--...... Equalize ...... new sources. pH...... the6Within pH....-- -- Within the -...... - range 6.0 to The pretreatment standard under sec- 9.0. tlon 307(c) of the Act for a new source

FEDERAL REGISTER, VOL 40, NO. 80-THURSDAY, APRIL 24, 1975 PROPOSED RULES 18143 - within -the common metals-plating sub- §413.23 Effluent limitations guidelines Cb) Stripplng, where followed by a category which is a user of a publicly representing thb degree of effluent rinse and conducted in conjunction with -owned-treatment works and a major con- reduction natinal a Ly the appli. electroplating for the purpose of sal- triluting industry as defined-in 40 CPR cation of the best available tech- vaging Improperly plated parts, may be Part 128 (and7 which would be a new ,iology economically aclevable. included under the term "operationz" for source subject to section 306 of the Act, (a) The folowing limitations establish the purpose of calculating effluent dis- if it were to discharge pollutants to the the quantity or quality of pollutants or charges. navigable waters), shall be the same pollutant properties, controlled by this c) Electroless plating on non-metallic standard as set forth in 40 CFR Part 128, section, which may be discharged by a materials for the purpose of providing a fbr existing sources, except that, for the point source subject to the provisions of conductive surface on the basis material, -purpose of this section, 40 CFR 128.121, this subpart after application of the best preceding the actual electroplating step, 128.12Z, 128.132, ad 128.133 shall not "available technology economically forming an integral step in the plating apply. -achievable: There shall be no discharge line and followed by a rinse may be In- (a) The following pretreatment stand- of process waste water pollutants to nav- cluded under the term "operation!, for ard establishes the quantity or quality of' igable waters. the purpose of calculating effluent dis- pollutants or pollutant properties con- charges. § 413.24 Pretreatment standards for (d)Pursuant to section 308 of the Act, trolled by this section which may be dis- existing sources. charged to a publicly owned treatment the owner or operator of a point source works by a new source subject to the The pretreatment standard under sec- subject to the provisions of this subpart provisions of this subpart: tion 307(b) of the Act for a Source Within shall maintain records of production ex- the precious metals plating subcategory pressed in sq m or sq ft as defined in § 413.11 for the purpose of determining Effluent lmltatloas which is a user of a publicly owned treatment works and a major contributing compliance *lth the effluent limitations Mfluent "Averageof 128 (and in § 413.24(a) -of this subparL. For the caracterstic, ay mn vue for thirty industry as defined in 40 CFR - , any one day o unstte y which would be an existing Point sourco plurpose of complying with the require- subject to section 301 of the Act, if It ments of this paragraph, a discharger were to discharge pollutants to the navi- may establish a correlation between area (Metriounits) mgrams per square metrsperopmtion gable waters) shall be the standard set forth In 40 CFR Part 128, except that, plated and another parameter, jsuch as -Copper S0._-- - 40 for the purpose of this section, 40 CPR ampere-hours used in plating. Jlek, '- - 50. 40 128.122, 128.132, and 128.133 Cr !t.-E .- 0___ "- 40 128.121, § 413.25 Standards of performance for "CNA-L...... x . _ - 4 shall not apply. new sources. (a) The following pretreatment stand- C 4 - t - 4 0 Ca) The following standards of per- CN. OW -- -, AO-----8ard establishes the quantity or quality of _naodeZ . 3,200-n 1, pollutants or pollutant properties con- formance establish the quantity or qual- -Or,T -. 6.&.- - - 24 a T ------. . .. 40 trolled by this section which may be dis- ity of pollutants or pollutant properties, charged to a publicly owned treatment controlled by this section, which may be works by a point source subject to the d1schared by a new source subject to ! ovIstons of this subpart. the provisions of this subpart: 5. ~b sbo~. . .0-t-.. E20ont-mtutot EfuentllmtatfansATflnn.e-ofSallym Xrn.. -...... 5 - - S.2 s[EbUcCN o t ts) pounds15.4- per -- thifllosquareubet per La. mffient Avcroze of daly operation Chbaracteristic ?,inxlmu far velues-Lr thzt7 ny one d37

"lhshrs..-- 164...... 32.7_ - - -- 16.4i.2 Coper (L eto units mniflhuprqoemu par opcratton T --- - Witinthe - - &I..=. Cr 14.rane &0Oto or .- S< 16._=- --- a2 Siaver. .... 16 S h ^&2 C o tialn 16.4..e. CN, - 0 .... not puorpde o - -h 0 W Cr otaL - - A.z-£ Cadmium.= 9. - - 4.8 C,10 - eds oths 16.4 rar.2 lrVi._m .:. =.. 10. .... ' 8 8 A-- 4 T 37 ra 1.4 Cridium. - --- 4 PaOum..~..- 10 "- ---- 8 Platin-m - - -10 - - S m - Withi athe .Rlsodlum..-.... - . -.. 4 to .r~snnum..--- 10 -- rane 6.0 v hosphoms. - -- 32 ---- - 16 nuthenimm. + -m4 PSphoruS.-- 1I_.... _ 0 -3,00 - 16- (b,) Pursuanto section 308 of the Act, -pH...... - Withln,- the ...... - u pI...... aWithin th3 -.--- rance 80 to rane 8.0 io the owner or operator of a point source f9. subject to the provisions-of this subpart shatll maintain records of production ex- (Ensll~h units) pounds per ml111n vQr br per (Ib, units) punds perm n qo fret r pressed in sq n or sq ft as- defined in oprnatio opeauton 1§413.11 for the purpose of determining compliance with the effluent limitations lv..= -r.- 3.- -- . La in § 413.16(a) of this subpart. For the Gold. ___-----z L0 UoK,. - -2.--- as purpose of complying with the require- ON, TotaL.. 2.7- - 1.4 CN,TotaL."-. - - - - 10.4.- - .2 mnents of this paragraphi, a discharger Cr Total.. 32.7 . 10.4 Cr. To l 10.4.. I.2 CrI. ... ,3. -- - 1.6 CrI.m 1... as may establish aubrrelatlon between area rddium...... 3.3- -". 1.8 - -dd0um. -as Plated and another parameter, such as Osmlum ...... 3.3 - -1.8 1alladlum...... 3.3 -- Ls1.8 alladfum..- . .= .8 ampere-hours used in plating. Platnum = " .. 1. la-m L6LO- --- - .8 b!"Preclous 31b~odlumG:.;. U_ + Le !lhodlum._. 1.. 0.8 SubpartB-EMectroplating Tuthenlum.._.. -- Le31.8 Ruthcnu-x -- L6. L M~etals Subcategory Ph'osphorus..... 05rz4._ - 20. -amended by adding ,Subpart 3B Is S..------Within th Within tha Iange"0.0 to rag 6.0 to .if 413.23, 413.24, 413.25 and 413.26 a3 9'. follows,;

FEDERAL REGISTER, VOL 40, NO. 80--THURSDAY, AP1 24, 1975 18144 PROPOSED RULES

(b) Pursuant to section 308,of the Act, source subject to the provisions of this Pretreatmont Standards the owner or operator of a point source tubpart shall maintain records of pro- subject to the provisions of this subpart duction expressed in sq m or sq ft as de- Average of daily fined in § 413.11 for the purpose of deter- Pollutant or Maximum for values for thirty shall maintain records of production ex- Pollutant any one day consecutive dpya pressed in sq m or sq ft as defined in mining compliance with the effluent Property shall not exceed- § 413.11 for the purpose of determining limitations in § 413.26(a) of this subpart. compliance with the effluent limitations For the purpose of complying with the (English units) lb/1000 lb of product in § 413.25 (a) of this subpart. For the requirements of this paragraph, a dis- Copper ...... 18.4 ...... 92 purpose of complying with the require- charger may establish a correlation be- Nickel ------18.4 ...... 9.2 ments of'this paragraph, a discharger tween area plated and another param- Cr Total------18.4 ...... i,2 CV ----- 1.8 ...... 2 may establish a correlation between area eter, such as ampere-hours used in Zinc ...... 18A ...... 9.2 plated and another parameter, such as plating. , ON, Total 8.4 ...... 0.2 ON, A--- - -.....1.8 .02 ampere-hours used in plating. Subpart D-Anodizing Subcategory Fluorido...... 733 ...... 369 Cadmium ------8.8 ...... 4.4 § 413.26 Pretreatment standards for Subpart D is amended by adding Iron------36.8 ...... 18.4 new sources. Tin 1 - 36.8 ...... 18.4 §§ 413.43, 413.44, 413.45 and 413.46 as Phosphorus ...... 36.8 ...... 1.4 The pretreatment itandard under sec- follows: T .------733 ...... 69 pH ------Within the ...... tion 307(c) of the Act for a new source § 413.43 .Effluent limitations guidelines range 6.0 to within the precious metals plating sub- representing the degree of effluent 9.5. category which is a user of a publicly reduction attainable by the appli- owned treatment works and a major con- cation of the best available tech- (b) The post plating steps of chromat- tributing industry as defined in 40 CFR nology economically achievable. ing, phosphating and coloring, If fol- Part 128 (and which would be a new (a) The following limitations establish lowed by a rinse, may be Included under source subject to section 306 of the Act, the quantity or quality of pollutants or the term "operation" for the purpose of If it were to discharge pollutants to the pollutant properties, controlled by this calculating effluent discharges, providing navigable waters), shall be the same section, which may be discharged by a such steps are an integral part of the standard as set forth in 40 CFR Part 128, point source subject to the provisions of plating line. for existing sources, except that, for the this subpart after application of the (c) Stripping, where followed by a purpose of this section, 40 CFR 128.121, best available technology economically rinse and conducted in conjunction with 128.122, 128.132, and 128.133 shall not achievable: there shall be no discharge electroplating for the purpose of 'salvag- of process waste wdter pollutants to ing improperly plated parts, may be In- apply. navigable waters. cluded under the tlrm "operation" for (a) The following pretreatment stand- the purpose of calculating effluent dis- ard establishes the quantity or quality § 413.44 Pretreatment standards for charges. existing sourcep. of pollutants or pollutant properties con- (d) Electroless plating on non-metal- trolled by this section which may be dis- The pretreatment standard under sec- lie materials for the purpose of providing charged to a publicly owned treatment tion 307(b) of the Act for a sourc-, within a conductive surface on the basis ma- the anodizing subcategory which is a user terial, preceding the actual electroplat- works by a new source subject to the of a publicly owned treatment works and ing step, forming an integral step in the provisions of this subpart: a major contributing industry as de- plating line alid followed by a rinse may fined in 40 CFR Part 128 (and which be included under the term "operation" Effluent limitations would be an existing point source subject for the purpose of calculating effluent Effluent Average of dally to section 301 of the Act, if it were to discharges. characteristic Maximum for values for thirty discharge pollutants to the navigable (e) For any point source subject to any one day consecutive days shall not eced- waters), shall be the standard set forth such effluent limitations with a total in 40 CFR Part 128, except that, for the employment of less than 11 persons, with (Metric units) milligrams per square meters per operation purpose of this section, 40 CFR 128.121, a discharge from the establishment of 128.122, 128.132, and 128.133 shall not waste water generated from the metal silver ------8 ------4 apply. finishing process of less than 7,800 liters Gold ------8 ------4 (a) The following pretreatment stand- per hour (2,061 gallons per hour) and ON, A------8 ------4 with a production rate of less than 4.9 ON, Total -... .0 40 hrd establishes the quantity or quality of Cr Total- 80o:: -...... 40 sq m per hour per employee (52.7 sq ft CT ------8 4 pollutants or pollutant properties con- per hour per employee), the following Iridium... . . 8 ------4 Osmium ------8 ------4 trolled by this section which may be dis- limitations establish the quantity or P alladiu m. .- ...... 8 ------4 charged to a publicly owned treatment quality of pollutants or pollutant proper- Platinum ------8 ------4 this section, which Rhodium. - 8 ------. 4 works by a point source subject to the ties, controlled by Ituthnluni ...... - 8 ------4 may be discharged: Phosphorus- 160 ------80 provisions of this subpart. TO------32-00 1600 pH------Within the--- --...... Effluent limitations range 6.0 to Pretreatment Standards 0.5. Effluent Averago of daily Pollutant or Average of daily characteristic Maximum for values for thirty Pollutant Propdrty Maximum for valuesforthirty any one day consecutlvo days (English uniti) pounds per million square feet per any one day consecutive days shall not exceed- operation shall not exceed- (Metric units) milligrams per square moters per operation Sliver ------1.6 ------0.8 (Metric units) milligramsv-per square meters Gold ------1.6 ------0.8 per operation CN, A ------1.6 ...... --- 0.8 ON, A ------9 ...... 4.0 ON, TotaL..------16.4 ------8.2 N, Total- .0 ...... 4 Cr Total- ...... 16.4 ------. 8.2 Copper------90 .... 45 PH ------withinu the ...... C VI ------.-----1.0 ------0.8 Nickel------0 9D ------45 Ir i d i u m - .... _ . 1 .0 ------...... 0 .8 Cr Total-. 0 4------.- range 6.0 to Osmium ..------1.6 ...... 0.8 CrV9 ------4.6 9.0. P aladium. - ...... 1.60 . ------0.8 Zinc ------...... -- 90 ------45 P in mrnu ...... 1 .6 ...... - . . . . 0 .8 ON, Total ------90------45 Rhodium... 16 ------0.8 CN, A ------9 ------4.5 (English units) pounds per million square fot pW R u th o n i u m . -. . 1 .6 ...... : ----- 0. 8 7luorlde ------3600 ------1800 operation Phosphorus. 2.7...... 7- --- 16.4 Cadmium ------54 ------27 T86 ...... z =..... 654 ------; ------327 Iron..------180------90 pH ------Within the Tin.------180 ------90 ON, A ...... 1.8 ...... -= .02 ra 6.0 to Phosphorus ------180 ------90 ON, Total ...... 18.4 ...... - - 9.2 TSO ------am.------18W Fow ...... -.- E ualz--.- -' pH------.. -- Within the ------z pH ...... Wihinthe c...... S ra 0 to (b) Pursuant to section 308 of the 9.6.range 6.0 to Act, the owner or operator of a point FEDERAL REGISTER, -VOL 40, NO. 80-:-THURSDAY, APRIL 24, 1975 PROPOSED RULES IS145

(f) Pursuant to section308 of theAct, Ig industry as defined in 40 CFR Part or pollutant properties, controlled by point source subject to the provisions of 128 (and which would be a new source this section, which may be discharged this subpart shall maintain records of subject to section 306 of the Act, If It by a point source subject to the provi- production expressed in sq r-or sq ft were to discharge pollutants to the sions of this subpart after application as defined in § 413.11 for the purpose of navigable waters), shall be the same of the best available technology eco- determining compliance vith the effluent itandard as set forth in 40 CFR Part 128, nomically achievable: There shall be no limitations in § 413.44(a) of thissubpart. for existing sources, except that, for the discharge of process waste water pollut- -For the p3urpose of complying with the purpose of this section, 40 CF 128.121, ants to navigable waters. requirements of this paragraph, a dis- 128.122, 128.132, and 128.133 shall not 413.54 Pretreatment standards for charger may establish a correlation be- .apply. existing sourcem. tween area plated and anotlier pamm- (a) The following pretreatment The pretreatment standard under sec- eter, such as ampere-hours used in standard establishes the quantity or tion 307(b) of the Act for a source plating. -quality of pollutants or pollutant properties controlled by this section which within the coatings-subcategory which is § 413.45 Stmanrds of -performance for may be discharged to a publicly owned a user of a publicly owned Weatment new source . treatment works by a new source sub- works and a.major contributing industry as defined in 40 CPR Part .128 (and (a) The following standards of per- ject to the provisions of this subpart: which would be an existing point source ,formance establish the quantity or Standards subjecb to section 301 of the Act, If it quality of pollutants -or pollutant prop- Prdtr- tmcnt were to discharge pollutants to the navi- ertles, controlled by this section, which Pollutant or Averzoe of dally gable waters), shall be the standard set may be discharged by a new source sub- Pollutant Property vrmum tor valuesffrtlirty nay one day, grntuU= forth in 40 CPR Part 128, except that, ject to the provisions of this subpart: for the purpose of this section, 40 CPR §§ 128.121, 128.122, 128.132, and 128.133 -Preteabnaet Stindards (Wtcre units) mmllrmspcrequaroxactcrspr omatlon shall not apply. 00f pretreatment stand- Pollutant or anlmum for Avergvalues for thirtdlly (a) The following -Jollutant Property 2 ard establishes the quantity or quality any one day consecutivedays Coppr...... 45 sball nbt excd- Ncke3 ...... 45 - -- 23 of pollutants or pollutant properties Cr Total .---- 45 ____ 23 controlled by this section 'which may per opraton be discharged to a publicly owned treat- -(Metriounits) morarnspersquarometers ment works by a point source subject to V=2f , .2 ONd...... - - 2.3 the provisions of this subpart. 45- 13 CrV .----.-- Pretreatment Standards Oro L-...... ~45 - -- 23 PNAIron...... 9 0 .0 In .- 45 Pollutant or Averogoof daily ON,TotaL...--.. 45---- 23 p...... Within We Pollutant Property Maxsimu for valus forthirtr l~ludde.800 _==:._ ...... 00 any one d3y conscutivedays Cadmium.-- 27 14 shall not exceed- "rop s- 90 - 45 TSSke...... _ . 2. . 3" 4.0 (EnglishCr ...... tL units) pounds t....th per.... millon..... rrqua.o...... fret .Me0. operation. (5!etrdt5) mflgzmsP-Ersqo meersperoP-3afon ]p1.. Vithnthenago ...... - &O0toS.5. 4.2 Cp. . .EO...... 40 at-z 80 40 Cr. TotaL..-- - 80 ... j 4od (EnglLsh units) pounds per =lllon square fect pcr CrVl- 8. ..-- 4 operation One 4.0 ONToto o. o p.u ON, Total---...... 0go- . 40 C NA -. .. - M92- - . . - .43 ,A-- _ - 4...... 0 NkL._--_..-..- 9.2. ; .... 041 M43.1o--r the p .psod mn dan.uo~.-- -- '4 ,- 2 Or Tot 9.2 £1. Iron- ...--- ICA- ... EO 'Tin ---.-4 ( t -- . Fr 2 Ph "WhnL..- Ir so. 1n. -.... 4...... ,026 BY~hm.;- IS.59. CN,AON,A--TotaL---- ... 9.2..;.....- - 4.0.40 TSSL.. - Md.h ...... 5 &0to rafe 6.0 to Cadmium--- ..- .= 2.2 9rao 9.5. Iron- -I--...... __.... .4; _...7_9.2-x.-...9. 0.2 .Poh ru. -- 8. - - 9.2 comlia --- ith th-2let iiain (E= Lh units) ynds per mllic squro Vae pr !rS______359._ 15 the(b) owner Pursuant or operator to section Of 13308Point of the source Act, I -... Withlntherange .... -.. 8.0 to V.0. subjec to the'provislons of this subpar shall mintain records of production ex- C pr. -o= 13.4...---...... -. 8.2 pressed In sq m or sq ft as defined In Cr To2...... 134. -&32 to section 308 of the Act, NZh e. 15.4.. _-- .- 5.2 (b) Pursuant a13.1dfor the purpose of determinn the owner-or operator -of a point source p CN,Total. - 13.4..- - 8.2 subpart compliance with the euent limitations subj ct -to the provisions of this in §413A6p(a of this subpart, For the ON. A-- 1.0 - .82 sal -maintain records of production purpose of complying with the require- PlC-Moetd...... C411 323 expressed in sq m or sq ft as defined in ments -of this paragraph. a idischarger rou.- -.... -9. - - 14.9 §413.11 for the purpose of "determining may establish a correlation between area Tin-.32... - 1 4 -compliance with the effluent limitations plated and another parameter, such as PTpo_., . L3_314323 in..§ 413.45(a) -of this subpart. For the amper-hodurs used In plating. T O O &IL. 33n3th3...... _purpose of complying with the require- range 0.0 to ments of this paragraph, a discharger Subpart E--Coatings Subcategory 9.5.. area may establish a correlation between Subpart E is amended by adding (b) The post plating steps of cbro- plated and another parameter, such as 413.56 as ampere-hours used in plating. §§ 413.53, 413.54, 413.55, and mating, phosphating and coloring, If fol- follows, lowed by a rinse, may be included under §413.46 Pretreatment standards for § 413.53 Efflueat limitations guidelines the term "operation" for the purposeof new sources., rcprescnting the degree of effluent calculating effluent discharges, providing reduction attainable by the applica- such steps are an integral part of the The pretreatment standard under tion of thc best available technology " section 307(c) of the Act for a new plating line.' soUrce withif the anodizing subcategory economically achievable. (C) Stripping, where followed by a which is a -user of a publicly owned (a) The following limitations estab- rinse and conducted in conjunction with treatment works and a major contribut- lish the quantity or quality of pollutants electroplating for the purpose of salvag-

FEDERAL REGISTER, VOL 40, NO. 80-THURSDAY, APRIL 24, 1975 18146 PROPOSED RULES ing improperly plated parts, may be in- Effluent limitations Pretreatment Standards cluded under the term "operation" for Effluent Avere of daiy Pollutant or Average of daily the purpose of calculating effluent dis- characteristic MaiMUm for valu for thry Pollutant Property Maximum for valuosfrthlirty charges. any one day consecutive days any one day consecutive days (d) Electroless plating on non-metal- shall not exceed- shall not oxetd- lic materials for the purpose of providing a conductive surface on the basis ma- (Metric units) milligrams per square meters per operation (Metric units) milligrams per squaro meters per operatlio terial, preceding the actual electroplating step, forming an integral step in the Copper------40 20 Copper ------40 ...... 20 NickeL...... -40 20 Nickel ...... 40 ...... 20 plating line and followed by a rinse may CrTotal. 40 20 Cr .Total.....--- 20 be included under the term "operation" CrVI ...... 4...... C ------.n- 4...... 2 effluent Zinc ------40 ------20 Zinc 40 ...... 20 ------for the purpose of calculating ON, Total ------40 ------20 ON, Total ...... 40 ...... 20 discharges. CN, A ------4 ------2 ON, A ...... 4...... 2 (e) For any point source subject to Fluoride ------1800._. 900 Fluoride ------1800 ...... 000 - Cadmium ------24------12 Cadmium ------24 ...... 12 such effluent limitations with a total em- Iron .. ------40 Iron ------80 ...... 40 ploymnent of less than 11 persons, with Tin ------80 ------40 Tin.------80 ...... 40 Phophorus -. 80 .40 Phosphorus ------80...... 40 a discharge from the establishment of TSS---00------. 900 TSS ...... I0 ...... 0 waste water generated from the metal p ------Within the ------pH ------Within the ...... finishing process of less than 7,800 liters range 0.0 to rngo 6.0 to per hour (2,061 gallons per hour) and than 4.9 sq with a production rate of less (English units) pounds per million square feet per (English units) pounds per million square foot m per hour per employee (52.7 sq ft per operation per operation hour per employee), the following limitations establish the quantity or quality Copper ------88.2 ------4.1 Coper------8.2 4,1 ...... 4.1 of pollutants or pollutant properties, con- Nickel------8.2 ------4.1 Cr,Nickel.-----82--.2 Total-...... 8.2------4.1 may be dis- Or Total 8.2 ------4.1 trolled by this section, which Cr ------82 ..... 41 Cr- ...... 82 ...... 1.41 charged: Zinc ------8.2 ------4.1 Zinc ...... 8.2...... 4A CN, Total-..-.....8.2 ------4.1 ON, Total ------8.2 4...... 4.1 CN, A------. 82 .. 41 ON, A...... 82 ...... 4t Effluent limitations Fluoride------323 ------161 Fluorido ------. 323 ...... 161 Cadmium . 4.9 ------2.5 Cadmium ------4.9 ...... 2.8 .8. 2 Iron_...... 16.4 8,2 Effluent Average of daily Iron ------16.4 ...... 8,. characteristic Mlaxlmum for vaues for thirty Tin.------16.4 -.... .8.2 Tin.------...16.4 any one day consecutive days Phosphorous ----- 16.4 ------8.2 Phosphorus ...... 10.4 ...... 8,2 shall not exceed- TSS ------323 ...... -181 TS3 ...... 323 ...... 101 pH------Within the ------pH ------Within the ...... range 6.0 to range 6.0 to (Metric units) milligrams per square meters per operation 9.5. 0.5.

ON, A------8------4 (b) Pursuant to section 308 of the Act, (b) Pursuant to section 308 of the Act, ON, Total..-... 80 ------40 Flow ------..Equaze ...... the owner or operator of a point source the owner or operator of a point tource pH-...... Within the- ...... subject to the provisions of this subpart subject to the provisions of this subpart range 6.0 to of production ex- 9.0. shall maintain records.of production ex- shall maintain records pressed in sq m or sq ft as defined in pressed in sq m or sq ft as defined in the purpose of determining § 413.11 for the purpose of determining (English 'units) pounds per. million square feet -per § 413.11 for operaon compliance with the effluent limitations compliance with the effluent limitations in § 413.55(a) of this subpart. For the in § 413.56(a) of this subpart. For the ON, A ------_.-1.6 ------.82 purpose of complying with the require- purpose of complying with the require-, ON, Total ------16.4 ------8.2 ments of this paragraph, a discharger ments of this paragraph, a discharger low- -.------Equalize ------pH ------Within the ------may establish a correlation between may establish a correlation between range 6.0 to area plated and another parameter, 9.0. area plated and another parameter, such as ampere-hours used in plating. such as ampere-hours used In plating. § 413.56 Pretreatment standards for (f) Pursuant to section 308 of the Act, Sulbpart F--Chemical Etching and Milling the owner or operator of a point source new sources. Subcategory subject to the provisions of this subpart The pretreatment standard under shall maintain records of production ex- section 307(c) of the Act for a new Subpart F Is amended by adding pressed in sq m or sq ft as defined in source within the coatings subcategory §§ 413.63, 413.64, 413.65, and 413.60 as § 413.11 for the purpose of determining which is a user of a publicly owned follows: compliance with the effluent limitations treatment works and a major contribut- Effluent limitation guidelines the ing industry as defined in 40 CFR Part § 413.63 in § 413.54(a) of this subpart. For representing the degree of effluent purpose of complying with the require- 128 (and which would be a new source reduction attainable by the applica. ments of this paragraph, a discharger subject to section 306 of the Act, if it tion of the best available technology may establish a correlation between area were to discharge p~llutants to the navi- economically achievable. gable waters), shall be the same stand- plated and another parameter, such as ard as set forth in 40 CFR Part 128, for (a) The following limitations estab- ampere-hours used in plating. existing sources, except that, for the pur- lish the quantity or quality of pollutants pose of this section, 40 CFR 128.121, 128. or pollutant properties, controlled by this § 413.55 Standards of performance for 122, 128.132, and 128.133 shall not apply. new sources. section, which may be discharged by a (a) The following pretreatment source subject to the provisions of (a) The following standards of per- point standard establishes the quantity or subpart after application of the best formance establish the quantity or qual- this quality of pollutants or pollutant -prop- economically Ity of pollutants or pollutant properties, erties controlled by this section which available , technology be no discharge controlled by this section, which may be may be discharged to a publicly owned achievable: there shall pollutants to discharged by a new source subject to the treatment works by a new source sub- of process waste water navigable waters. provisions of this subpart: , ject to the provisions of this subpart:

FEDERAL REGISTER, VOL 40, NO. 80--THURSDAY, APRIL 24, 1975 PROPOSED RULES 2181471 413.64 Pretreatment - standards for includ~d under the term "operation" for § 4 r~~ftnentirlttin existing sourc"s. the purpose of calculating effluent The pretreatment standard under discharges. Efflunt A- A&vageaedsily d) SbUStertO MIMum Joe vales kc thirty section 307(b) of the Act- for a source Electrolysis plating on non- =nyone dr eneec= da, within. the- chemical etching and minling metallic materials for the purpose of subcategory which is a user of a publicly providing a conductive surface on the owned treatment works and a major basis material, preceding the actual (Melounlb)inflaper uasmezpercpertn contributing industry as defined in 40 electroplating step, forming an integral CFR Part 128 (and which would be an step in the plating line and followed by a rinse may be included under the term existing point source subject to section- CopRr , - - 3 301 of the Act, if it were to discharge "operation" for the purpose of calculat- N, Tke _.__ CO - 20 ,pollutants to the navigable waters), Ing effluent discharges. Cr, To .... _ -:...... -~ 20 (e) For any point source subject to ON, ta...... CO so shall be the standard set forth in- 40 ON.--- 5 CFR Part 128, except that, for the pur- such effluent limitations with a total pose of this section, 40 CFR 128.121, 128. employment of less than 11 persons, with Cldidd 2 - - 2= a discharge from the establishment Irc n-20 _____ c 122, 128.132,and 128.133 shall not apply. of Me0 Co (a) The following -pretreatment waste water generated from the metal TihaphC...... _ 2... 1. standard establishes the quantity or finishing process of less than 7,800 liters quality of pollutants or pollutant prop- per hour (2,061 gallons per hour) and ranze 6.0 to erties controlled by this section which with a production rate of- less than 4.9 may be discharged to a publicly owned sq m per hour per employee (52.7 sq It lO rid.e__..... zi. .-.- -. 12.9 per hour per Employee), the following (En units)erbb pounds per milliooquare ket per - treatment works by a point source sub- hpnration ject to the provisions of this limitations establish the quantity or subpart. quality of pollutants or pollutant properties, controlled by this section, which TSS-.-- 24W.__ =.- 12.M Pretreatment Standards may be discharged: CpeplI ...... nr Within2. ------ths &2 23- - 62& Pollutant or Averg eof dally OL___Cr TotL... 2.2--.Q Pollutant Property Mudinium for values for thirty Due1.1 IMep.. - d M2 any cne day Consecutiveday Emuentliraltatlons ON, Totl. .ith ..e...... z a 6.2 shall not exced- -. - 1N.9 --- --z 0.9 Effluent Average of dally Flazzide.... 2 246 characteristic Maximum Jar value for thirty any one day Me=tIs (metriounits) milligrams per squaremeters per operatfon Tl .... 24.0 M.....13 in-§ 413.5)oh 12b6-..a±3 (metric units) nllhgranis per mqu=emr Cr a..... 12- -- per operation an 0.0Oto n ... 120 __ ON, ToWl.. 120... ON,A ...... - .... L5 ON, Total .....- . . 45 N _,._ 18.... low .. . Equallm...... MbPursuant to section 308 of the Act Cadmium_ T2 pH...... Withiatho . the owner oz operator of a point source Iron.... 240.__ purposef comthing th tezlie 9 . subject to the provisions of this subpart; 'hr ptrs.... . 0 . ... shall maintain records Of production ex- (English units) pounds per million squar felt pressed In sq = or sq ft as defined in pL...... - Within the ------rag 6.0. per opertion § 413.11 for the purpose of determining compliance with the effluent limitations in § 413.65(a) of his subpart. For the 0N Total.__ .M_...M... " -I .-..•M. 922 (English units) pounds per million. square feet per CN, otL Ea...... -...... -.-- purpose of complying withthe require- Operation pHK...... W lzhltha -...... ments of this paragraph, a discharger may establish a correlation between area Rune 6.0 to Copper 24.6.--_- 12.3 .0. plated and another parameter, such as OrNToa 24...... -. 13 ampere-hours used fin plating. Cf) Pursuant to section 308 of the Act, Zinc.__.-. 24.6 - § 413.66 Pretreatment standards for -_= 12.3 point source subject to the provisions of new sources. CN, I 3.T2 . - -- 19 this subpart shall maintain records of Fluorlde..------984. . 492 production expressed in sq m or sq ft as the Pretreatment standard under sec- Cadmium.__- 14.8. - - 7.4 tion 307c) of the Act for a new source Iron____ -= 49.2 24.6 defined in § 413.11 for the purpose of Tl...... 49.2 - 2a2- determining compliance with the effluent within the chemical etching and milling Phosphorus. . 492...=. .- 24.6 subcategory which Is a user of a publicly ------limitations in § 413.64(a) of this subpart. pM. -Within the - For the purpose of complying with the owned treatment works and a major con- ...- range 6.0 to 9.5. requirements of this paragraph, a dis- tributing Industry as defined In 40 CFR charger may establish a correlation Part 128 (and which would be a new between area plated and another param-, source subject to section 306 of the Act (b) The post plating steps of chro- eter, such as ampere-hours used In If it were to discharge Pollutants to the mating, phosphating and coloring, If plating. navigable waters), shall be the same followed by a rinse, may be Included standard as set forth in 40 CFR Part under the term "operation" for the pur- § 413.65 Standards of performance for 128, for existing sources, except that, for pose of calculathg effluent discharges, new sources. the purpose of this section, 40 CFR providing such steps axe ' an 'Integral (a) The following standards of per- §§ 128.121, 128.122, 128.132 and 128.133 part of the plating line. formance establish the quantity or shall not apply.. (c) Stripping, where followed by a quality of pollutants or pollutant prop- (a)The followingpretreatmentstand- rinse and conducted in conjunction with erties, controlled .by this section, which ard establishes the quantity or quality electroplating for. the purpose of salvag- may be discharged by a new source sub- of pollutants or pollutant properties con- iug improperly plated parts, may be ject to the provisions of this subpart: trolled by this section which maybe dis-

FEDERAL REGISTER, VOL 40, NO. 80-THUSDAY, APRIL 24, 1975 18148 PROPOSED RULES charged to a publicly owned treatment works by a new source subject to the provisions of this subpart:

PretrAtment standards Pollutant or pollutant Average of daily property' Mximum for values for thirty any one day consecutive days shall not exceed-

(metric units) mlllgrams per square meters per operaton

Copper ------. 60 ...... 30 Nickel ------...... - 60...... 30 Cr, Total------60 ...... 30 CrVL------6 ------3 Zinc------.... 60 ------30, CN, TotaL------60 ...... - 30 ON, A __...... 9 -.....------S rfluoide.----- 2400 ------1200 Cadmium ------36 - .------18 Iron ..------120 ------60 Tin...... -120------60 Phosphorus ------120 ------0 TSS------2400 ------1200 pH------..... Within the ...... range 6.0 to 9.5.

(English units) poundsperoperaton million squaro feet per

Copper ------12.3------.- 6.2 Nickel ------12.3 ------6.2 Cr Total ------12.3 ------6.2 CrVL ------1.2 ..... 0.6 Zinc. .------12.3 ------6.2 CN, Total ------12.3 ------6.2 ON, A ------1.9 ------0.9- Fluoride - .------492 ------246 Cadmilw .- -- 7.4 ------3.7 Iron--...------24.6 ------12.3 Tin.. ...------24.6 .------. a Phosphorus...... - 24.6 ------12.3 T8 ------492...... 216 pH------Within the ------range 6.0 to 9.5.

(b) Pursuant to section 308 of the Act, - the owner or operator of a point source subject to the provisions of this subpart shall maintain records of production expressed in sq m or sq ft as defined in § 413.66 for the purpose of determining compliance with the effluent limitations in § 413.15(a) of this subpart. For the purpose of complying with the requirements of this paragraph, a discharger may establish a correlation between area plated and another parameter, such as ampere-hours used in plating. [FR Doc.75-10288 Filed 4A-23-75;8:45 am]

FEDERAC REGISTER, VOL 40, NO. 80--THURSDAY, APRIL 24, 1975