TABLE of REQUIREMENTS for CHROMIUM ELECTROPLATING and ANODIZING TANKS

TABLE OF REQUIREMENTS for CHROMIUM ELECTROPLATING AND ANODIZING TANKS 40 CFR 63, Subpart N

Code for term numbers: M.N.x.# = term number, MACT Subpart N the Ax@ coded as follows: a: Additional Terms & Conditions for Hard Chromium Electroplating b: Additional Terms & Conditions for Decorative Chromium Electroplating c: Operational Restrictions d: Monitoring and Record keeping Requirements e: Reporting Requirements f: Testing Requirements

Type of Unit Add T&C Operational Monitoring & Reporting Testing Restrictions Recordkeeping Requirements Requirements Requirements

63.342 Subpart N limits

Hard chromium M.N.a.1 open surf. M.N.c.1 wk.pract. M.N.d.1 general M.N.e.0-application M.N.f.1 test electroplating tanks or M.N.c.2 O&M plan M.N.e.1 ITT OR ------See terms for M.N.e.2 test rpt. M.N.a.2 open surf. See terms for selected M.N.e.3 initial rpt. M.N.f.3 fume existing & sm. fac. selected control control suppressant w/ or below below M.N.e.4 semi major wetting agent ------M.N.e.5rpt.freq.major M.N.a.3 enclosed major or area source See parameter or M.N.e.6 annual area test for control ------M.N.e.7 rpt.freq.area option below M.N.a.4 enclosed existing & sm. fac. or ------M.N.a.5 fume suppr. w/ wetting agent ------M.N.a.6-Asynthetic@ for small facility & use w/ above option M.N.a.2 or M.N.a.4

Decorative chromium M.N.b.1 M.N.c.1 wk.pract. M.N.d.1 general M.N.e.0-application M.N.f.1 test electroplating tanks or M.N.c.2 O&M plan M.N.e.1 ITT OR ------See terms for M.N.e.2 test rpt. M.N.b.2 fume suppr. See terms for selected M.N.e.3 initial rpt. M.N.f.3 fume w/ wetting agent selected control control suppressant w/ below below M.N.e.4 semi major wetting agent M.N.e.5 rpt.freq.major major or area source See parameter M.N.e.6 annual area test for control M.N.e.7 rpt.freq.area option below

Decorative chromium M.N.b.3 M.N.c.1 wk.pract. M.N.d.1 general M.N.e.0-application M.N.f.1 test electroplating tanks M.N.c.2 O&M plan M.N.e.1 ITT & See terms for M.N.e.2 test rpt. See parameter decorative chromium See terms for selected M.N.e.3 initial rpt. test for control using a trivalent selected control control option below chromium bath with NO below below M.N.e.4 semi major wetting agent M.N.e.5 rpt.freq.major major or area source M.N.e.6 annual area M.N.e.7 rpt.freq.area

Decorative chromium M.N.b.4 None M.N.d.2 M.N.e.0-application M.N.f.2 test electroplating tanks using a trivalent M.N.e.8 chromium bath with a wetting agent

Special term for M.N.f.6 or multiple units controlled by a common control M.N.f.7 or device M.N.f.8

Specific Add T&C Operational Monitoring & Reporting Parameter Requirements/Terms Restrictions Recordkeeping Requirements Testing for Selected Control Requirements Requirements Method

Composite mesh-pad M.N.c.3 M.N.d.3 M.N.f.4 (CMP) pressure drop or M.N.f.5 velocity press.

Packed-bed scrubber M.N.c.4 M.N.d.4 M.N.f.4 (PBS) pressure drop or M.N.f.5 velocity press

Packed-bed scrubber/ M.N.c.5 M.N.d.5 M.N.f.4 composite mesh-pad pressure drop system or (PBS/CMP) M.N.f.5 velocity press.

Fiber-bed mist M.N.c.6 M.N.d.6 M.N.f.4 eliminator pressure drop (FBM) or M.N.f.5 velocity press.

Wetting agent or M.N.c.9 M.N.d.7 No parameter combination wetting test agent/ (M.N.f.1 or foam blanket fume M.N.f.3) suppressants

Foam blanket fume M.N.c.10 M.N.d.8 No parameter suppressants test (M.N.f.1)

Chemical fume M.N.c.9 M.N.d.7 No parameter suppressant containing test a wetting agent to (M.N.f.1 or comply with surface M.N.f.3) tension limitation

Control not an included M.N.c.7 M.N.d.10 M.N.f.4 in Table 1 in 63.342 pressure drop or M.N.f.5 velocity press. or propose

Add-on Control term appropriate for term appropriate (M.N.f.1) AND add-on control for add-on M.N.f.4 (above) control pressure drop (above) or M.N.f.5 velocity press. ------or Fume suppressant M.N.c.9 M.N.d.9 ------containing wetting M.N.d.7 (M.N.f.3 fume agent suppr. w/ wetting agent)

Pitot tube M.N.c.8