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Water Quality in the Trinity River Basin, Texas, 1992–95 SUMMARY of COMPOUND DETECTIONS and CONCENTRATIONS

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Water Quality in the Trinity River Basin, Texas, 1992–95 SUMMARY of COMPOUND DETECTIONS and CONCENTRATIONS SUMMARY OF COMPOUND DETECTIONS AND CONCENTRATIONS The following tables summarize data collected for NAWQA studies from 1992–95 by showing results for the Trinity River Basin Study Unit compared to the NAWQA national range for each compound detected. The data were collected at a wide variety of places and times. In order to represent the wide concentration ranges observed among Study Units, logarithmic scales are used to emphasize the general magnitude of concentrations (such as 10, 100, or 1,000), rather than the precise number. The complete dataset used to construct these tables is available upon request. Concentrations of herbicides, insecticides, volatile organic compounds, and nutrients detected in ground and surface waters of the Trinity River Basin Study Unit [µg/L, micrograms per liter; %, percent; <, less than; --, not measured; mg/L, milligrams per liter; trade names might vary] a EXPLANATION Freshwater-chronic criterion for the protection of aquatic life Drinking-water standard or guideline a Range of surface-water detections in all 20 Study Units Range of ground-water detections in all 20 Study Units Detection in the Trinity River Basin Study Unit Herbicide Rate Concentration, in µg/L Herbicide Rate Concentration, in µg/L (Trade or common of (Trade or common of name) detec- 0.001 0.01 0.1 1 10 100 1,000 name) detec- 0.001 0.01 0.1 1 10 100 1,000 tion b tion b Acetochlor 7% Dicamba (Banvel, 1% 0% Mediben, dianat) 0% Acifluorfen (Blazer, 1% Dichlorprop (2,4-DP, 3% Tackle 2S) 0% Seritox 50, Kildip) 0% Alachlor (Lasso) 15% Dinoseb (DNBP, DN 1% 0% 289, Premerge, Aretit) 0% 2,6-Diethylaniline <1% Diuron (Karmex, 7% (Alachlor metabolite) 0% Direx, DCMU) 0% Atrazine (AAtrex, 88% EPTC (Eptam) 1% Gesaprim) 3% 0% Deethylatrazinec 71% Fluometuron (Flo- 17% 0% (Atrazine metabolite) 4% Met, Cotoran) Bentazon (Basagran, 4% Linuron (Lorox, 1% bentazone) 1% Linex, Sarclex) 0% Bromacil (Hyvar X, <1% MCPA (Agritox, 3% Urox B, Bromax) 1% Agroxone) 0% Bromoxynil (Buctril, <1% MCPB (Can-Trol, <1% Brominal, Torch) 0% Thistrol, Tropotox) 0% Butylate (Sutan, <1% Metolachlor (Dual, 69% Genate Plus, butilate) 0% Pennant) 0% Chloramben <1% Metribuzin (Lexone, 10% (Amiben, Vegiben) 0% Sencor) 2% Clopyralid (Stinger, 1% Molinate (Ordram) 18% Lontrel, Dowco 290) 0% 0% Cyanazine (Bladex, 5% Napropamide <1% Fortrol) 0% (Devrinol) 0% 2,4-D (2,4-PA) 17% Neburon (Neburex, <1% 2% Noruben, Kloben) 0% DCPA (Dacthal, <1% Oryzalin (Surflan, 3% chlorthal-dimethyl) <1% Dirimal, Ryzelan) 0% Dacthal, mono-acid <1% Pendimethalin 10% (Dacthal metabolite) 0% (Prowl, Stomp) 0% 30 Water Quality in the Trinity River Basin, Texas, 1992–95 SUMMARY OF COMPOUND DETECTIONS AND CONCENTRATIONS Herbicide Rate Concentration, in µg/L Insecticide Rate Concentration, in µg/L (Trade or common of (Trade or common of name) detec- 0.001 0.01 0.1 1 10 100 1,000 name) detec- 0.001 0.01 0.1 1 10 100 1,000 tion b tion b Picloram (Tordon, 1% Disulfotonc (Disys- <1% Amdon) 0% ton, Dithiosystox) 0% Prometon (Gesa- 50% Fonofos (Dyfonate) 1% gram, prometone) 4% 0% Pronamide (Kerb, 2% alpha-HCH (alpha- <1% propyzamid) 0% BHC, alpha-lindane) 0% Propachlor (Ramrod, 1% gamma-HCH 5% propachlore) 0% 0% Propanil (Stampede, 5% 3-Hydroxycarbofuran <1% Surcopur) 0% 0% Propham (Chem-Hoe, 1% Malathion (maldison, 10% IPC, prophame) 0% malathon, Cythion) 0% Simazine (Aquazine, 63% Methiocarb (Grand- <1% Princep, Gesatop) <1% slam, Mesurol,Draza) 0% Tebuthiuron (Spike, 42% Methomyl (Lannate, 2% Perflan) 2% Nudrin) 0% Thiobencarb (Bolero, 8% Methyl parathion 1% Saturn, benthiocarb) 0% (Penncap-M) 0% Triclopyr (Garlon, 1% cis-Permethrinc <1% Grazon, Crossbow) 0% (Ambush, Pounce) 0% Trifluralin (Treflan, 3% Trinin, Elancolan) 0% Volatile organic Rate Concentration, in µg/L compound of (Trade or common detec- 0.01 0.1 1 10 100 1,000 Insecticide Rate Concentration, in µg/L name) b (Trade or common of tion name) detec- 0.001 0.01 0.1 1 10 100 1,000 1,1-Dichloroethene -- tion b (Vinylidene chloride) 1% Aldicarbc (Temik) <1% 1,2,4-Trimethylben- -- 0% zene (Pseudocumene) 1% Aldicarb sulfonec <1% Benzene -- (Standak) 0% 1% Aldicarb sulfoxidec <1% Chlorobenzene -- (Aldicarb metabolite) 0% (Monochlorobenzene) 1% Azinphos-methylc 1% Chloroethene (Vinyl -- (Guthion) 0% Chloride) 1% Carbarylc (Sevin, 24% Dimethylbenzenes -- Savit) 0% (Xylenes (total)) 1% Carbofuranc 7% total Trihalomethanes -- (Furadan, Curaterr) 0% 3% Chlorpyrifos (Durs- 21% Trichloroethene -- ban, Lorsban) <1% (TCE) 3% p,p’-DDE (p,p’-DDT <1% Trichlorofluo- -- metabolite) <1% romethane (CFC 11) 1% Diazinon 47% cis-1,2-Dichloro- -- 10% ethene) 1% Dieldrin (Panoram 2% trans-1,2-Dichloro- -- D-31, Octalox) 1% ethene) 1% U.S. Geological Survey Circular 1171 31 SUMMARY OF COMPOUND DETECTIONS AND CONCENTRATIONS Volatile organic Rate Concentration, in µg/L Nutrient Rate Concentration, in mg/L compound of of (Trade or common detec- 0.010.1 1 10 100 1,000 10,000100,000 detec- 0.010.1 1 10 100 1,000 10,000100,000 name) tion b tion b Methyl tert-butyl -- Dissolved ammonia 90% etherd (MTBE) 4% 92% Tetrachloroethene -- Dissolved ammonia (Perchloroethene) 1% plus organic nitrogen 91% as nitrogen 41% Dissolved phospho- 77% rus as phosphorus 66% Dissolved nitrite plus 87% nitrate 50% Herbicides, insecticides, volatile organic compounds, and nutrients not detected in ground and surface waters of the Trinity River Basin Study Unit. Herbicides Propargite (Comite, Omite, 1,2-Dibromoethane (EDB, Chloroethane (Ethyl tert-Butylbenzene Ornamite) Ethylene dibromide) chloride) 2,4,5-T trans-1,3-Dichloropropene Propoxur (Baygon, Blat- 1,2-Dichlorobenzene (o- Chloromethane (Methyl ((E)-1,3-Dichloropropene) 2,4,5-TP (Silvex, Feno- tanex, Unden, Proprotox) Dichlorobenzene, 1,2- chloride) prop) Terbufos (Contraven, DCB) Dibromomethane (Methyl- Nutrients 2,4-DB (Butyrac, Butox- Counter, Pilarfox) 1,2-Dichloroethane (Ethyl- ene dibromide) one, Embutox Plus, Embu- ene dichloride) No nondetects tone) Dichlorodifluoromethane Volatile organic 1,2-Dichloropropane (Pro- (Freon 12, CFC 12) Benfluralin (Balan, Bene- pylene dichloride) fin, Bonalan, Benefex) compounds Dichloromethane (Methyl- 1,3,5-Trimethylbenzene ene chloride) 1,1,1,2-Tetrachloroethane Ethalfluralin (Sonalan, Cur- (Mesitylene) bit) (1,1,1,2-TeCA) Ethenylbenzene (Styrene) 1,3-Dichlorobenzene (m- 1,1,1-Trichloroethane Ethylbenzene (Phenyl- Fenuron (Fenulon, Feni- Dichlorobenzene) dim) (Methylchloroform) ethane) 1,3-Dichloropropane (Tri- 1,1,2,2-Tetrachloroethane Hexachlorobutadiene Norflurazon (Evital, Pre- methylene dichloride) dict, Solicam, Zorial) 1,1,2-Trichloro-1,2,2-triflu- Isopropylbenzene 1,4-Dichlorobenzene (p- oroethane (Freon 113, CFC (Cumene) Pebulate (Tillam, PEBC) Dichlorobenzene, 1,4- 113) Methylbenzene (Toluene) Terbacil (Sinbar) DCB) 1,1,2-Trichloroethane Naphthalene Triallate (Far-Go, Avadex 1-Chloro-2-methylbenzene (Vinyl trichloride) BW, Tri-allate) (o-Chlorotoluene) Tetrachloromethane (Car- 1,1-Dichloroethane (Eth- bon tetrachloride) 1-Chloro-4-methylbenzene ylidene dichloride) Insecticides (p-Chlorotoluene) cis-1,3-Dichloropropene 1,1-Dichloropropene ((Z)-1,3-Dichloropropene) Ethoprop (Mocap, Ethopro- 2,2-Dichloropropane 1,2,3-Trichlorobenzene n-Butylbenzene (1-Phe- phos) Bromobenzene (Phenyl (1,2,3-TCB) nylbutane) Oxamyl (Vydate L, Pratt) bromide) 1,2,3-Trichloropropane n-Propylbenzene (Iso- Bromochloromethane Parathion (Roethyl-P, Alk- (Allyl trichloride) cumene) ron, Panthion, Phoskil) (Methylene chlorobromide) 1,2,4-Trichlorobenzene p-Isopropyltoluene (p- Phorate (Thimet, Granu- Bromomethane (Methyl 1,2-Dibromo-3-chloropro- Cymene) tox, Geomet, Rampart) bromide) pane (DBCP, Nemagon) sec-Butylbenzene 32 Water Quality in the Trinity River Basin, Texas, 1992–95 SUMMARY OF COMPOUND DETECTIONS AND CONCENTRATIONS Concentrations of semivolatile organic compounds, organochlorine compounds, and trace elements detected in fish and clam tissue and bed sediment of the Trinity River Basin Study Unit [µg/kg, micrograms per kilogram; --, not measured; %, percent; µg/g, micrograms per gram; trade names may vary] EXPLANATION Guideline for the protection of aquatic life e Range of detections in fish and clam tissue in all 20 Study Units Range of detections in bed sediment in all 20 Study Units Detection in fish tissue or bed sediment in the Trinity River Basin Study Unit Detection in clam tissue in the Trinity River Basin Study Unit Semivolatile organic Rate of Concentration, in µg/kg Semivolatile organic Rate of Concentration, in µg/kg compound detec- compound detec- tion b 0.1 1 10 100 1,000 10,000 100,000 tion b 0.1 1 10 100 1,000 10,000 100,000 1,2-Dimethylnaphtha- -- Anthraquinone -- lene 4% 50% 1,6-Dimethylnaphtha- -- Benz(a)anthracene -- lene 15% 51% 1-Methylphenan- -- Benzo(a)pyrene -- threne 27% 49% 1-Methylpyrene -- Benzo(b)fluoranthene -- 35% 51% 2,2-Biquinoline -- Benzo(g,h,i)perylene -- 4% 37% 2,3,6-Trimethylnaph- -- Benzo(k)fluoranthene -- thalene 4% 51% 2,6-Dimethylnaphtha- -- Butylbenzylphthalate -- lene 58% 88% 2,6-Dinitrotoluene -- Chrysene -- 2% 51% 2-Ethylnaphthalene -- Di-n-butylphthalate -- 8% 95% 2-Methylanthracene -- Di-n-octylphthalate -- 35% 15% 4,5-Methylene- -- Dibenz(a,h) -- phenanthrene 35% anthracene 27% 9H-Carbazole -- Dibenzothiophene -- 46% 12% 9H-Fluorene -- Diethylphthalate -- 39% 61% Acenaphthene -- Dimethylphthalate -- 15% 32% Acenaphthylene -- Fluoranthene -- 22% 85% Acridine -- Indeno(1,2,3-cd) -- 35% pyrene 46% Anthracene -- Isoquinoline -- 46% 19% U.S. Geological Survey Circular 1171 33 SUMMARY OF COMPOUND DETECTIONS AND CONCENTRATIONS Semivolatile organic Rate of Concentration, in µg/kg
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