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Basf Corp

Synthetic Rubber, major discharger, Monaca, Pennsylvania. NPDES permit PA0092223, in force until May 31, 2028. Last 12 months: over a limit 9 times (last February 2026), 31 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (5 values), outfall 101 form A monthly (20 values), outfall 301 form A monthly (6 values), outfall 001 form S twice a year, outfall 002 form S twice a year, outfall 003 form S twice a year, and 2 more forms
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 20 required values missing, 0 of 46 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimitOver by
November 2025101BOD, 5-day, 20 deg. C, daily maximum81 mg/L≤ 51.2 mg/L58%
November 2025101BOD, 5-day, 20 deg. C, monthly average< 43.3 mg/L≤ 19.5 mg/L122%
December 2025101BOD, 5-day, 20 deg. C, daily maximum71 mg/L≤ 51.2 mg/L39%
December 2025101BOD, 5-day, 20 deg. C, monthly average35.8 mg/L≤ 19.5 mg/L84%
December 2025101Oil & Grease, daily maximum29 mg/L≤ 20 mg/L45%
December 2025301Chlorine, free available, daily maximum.61 mg/L≤ .5 mg/L22%
December 2025301Chlorine, free available, monthly average< .3 mg/L≤ .2 mg/L50%
February 2026301Chlorine, free available, daily maximum1.22 mg/L≤ .5 mg/L144%
February 2026301Chlorine, free available, monthly average.3 mg/L≤ .2 mg/L50%

Limits in force (377)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Copper, total [as Cu]semi-annual averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]semi-annual averagereport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Butyl benzyl phthalatesemi-annual averagereport only (mg/L)all year001
Butyl benzyl phthalatedaily maximumreport only (mg/L)all year001
Heptachlor epoxidesemi-annual averagereport only (mg/L)all year001
Heptachlor epoxidedaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
1,4-Dioxanesemi-annual averagereport only (mg/L)all year001
1,4-Dioxanedaily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHdaily maximumreport only (SU)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Iron, total [as Fe]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002
Zinc, total [as Zn]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Mercury, total [as Hg]daily maximumreport only (mg/L)all year002
Mercury, total [as Hg]daily maximumreport only (mg/L)all year002
Mercury, total [as Hg]daily maximumreport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year003
pHdaily maximumreport only (SU)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Iron, total [as Fe]daily maximumreport only (mg/L)all year003
Lead, total [as Pb]daily maximumreport only (mg/L)all year003
Zinc, total [as Zn]daily maximumreport only (mg/L)all year003
Aluminum, total [as Al]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/min)all year003
Mercury, total [as Hg]daily maximumreport only (mg/L)all year003
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year004
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year004
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year004
pHdaily maximumreport only (SU)all year004
pHdaily maximumreport only (SU)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Iron, total [as Fe]daily maximumreport only (mg/L)all year004
Iron, total [as Fe]daily maximumreport only (mg/L)all year004
Iron, total [as Fe]daily maximumreport only (mg/L)all year004
Lead, total [as Pb]daily maximumreport only (mg/L)all year004
Lead, total [as Pb]daily maximumreport only (mg/L)all year004
Lead, total [as Pb]daily maximumreport only (mg/L)all year004
Zinc, total [as Zn]daily maximumreport only (mg/L)all year004
Zinc, total [as Zn]daily maximumreport only (mg/L)all year004
Zinc, total [as Zn]daily maximumreport only (mg/L)all year004
Aluminum, total [as Al]daily maximumreport only (mg/L)all year004
Aluminum, total [as Al]daily maximumreport only (mg/L)all year004
Aluminum, total [as Al]daily maximumreport only (mg/L)all year004
Mercury, total [as Hg]daily maximumreport only (mg/L)all year004
Mercury, total [as Hg]daily maximumreport only (mg/L)all year004
Mercury, total [as Hg]daily maximumreport only (mg/L)all year004
BOD, 5-day, 20 deg. Cmonthly average≤ 19.5 mg/Lall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 51.2 mg/Lall year101
BOD, 5-day, 20 deg. Cmonthly average≤ 29.4 lb/dall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 56.8 lb/dall year101
Oxygen demand, chem. [high level] [COD]monthly average≤ 500 mg/Lall year101
Oxygen demand, chem. [high level] [COD]daily maximum≤ 1000 mg/Lall year101
Oxygen demand, chem. [high level] [COD]monthly average≤ 505 lb/dall year101
Oxygen demand, chem. [high level] [COD]daily maximum≤ 755 lb/dall year101
pHinstantaneous minimum≥ 6 SUall year101
pHinstantaneous maximum≤ 9 SUall year101
Solids, total suspendedmonthly average≤ 32.8 mg/Lall year101
Solids, total suspendeddaily maximum≤ 103.9 mg/Lall year101
Solids, total suspendedmonthly average≤ 55.7 lb/dall year101
Solids, total suspendeddaily maximum≤ 111 lb/dall year101
Oil & Greasemonthly average≤ 10 mg/Lall year101
Oil & Greasedaily maximum≤ 20 mg/Lall year101
Oil & Greasemonthly average≤ 19.8 lb/dall year101
Oil & Greasedaily maximum≤ 31.2 lb/dall year101
Cyanide, total [as CN]semi-annual average≤ .42 mg/Lall year101
Cyanide, total [as CN]daily maximum≤ 1.2 mg/Lall year101
Cyanide, total [as CN]semi-annual average≤ .167 lb/dall year101
Cyanide, total [as CN]daily maximum≤ .479 lb/dall year101
Chromium, total [as Cr]semi-annual average≤ 1.11 mg/Lall year101
Chromium, total [as Cr]daily maximum≤ 2.77 mg/Lall year101
Chromium, total [as Cr]semi-annual average≤ .443 lb/dall year101
Chromium, total [as Cr]daily maximum≤ 1.106 lb/dall year101
Copper, total [as Cu]semi-annual average≤ 1.45 mg/Lall year101
Copper, total [as Cu]daily maximum≤ 3.38 mg/Lall year101
Copper, total [as Cu]semi-annual average≤ .579 lb/dall year101
Copper, total [as Cu]daily maximum≤ 1.349 lb/dall year101
Iron, total [as Fe]semi-annual average≤ 2 mg/Lall year101
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year101
Lead, total [as Pb]semi-annual average≤ .32 mg/Lall year101
Lead, total [as Pb]daily maximum≤ .69 mg/Lall year101
Lead, total [as Pb]semi-annual average≤ .127 lb/dall year101
Lead, total [as Pb]daily maximum≤ .275 lb/dall year101
Manganese, total [as Mn]semi-annual average≤ 1 mg/Lall year101
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year101
Nickel, total [as Ni]semi-annual average≤ 1.69 mg/Lall year101
Nickel, total [as Ni]daily maximum≤ 3.98 mg/Lall year101
Nickel, total [as Ni]semi-annual average≤ .674 lb/dall year101
Nickel, total [as Ni]daily maximum≤ 1.589 lb/dall year101
Zinc, total [as Zn]semi-annual average≤ 1.05 mg/Lall year101
Zinc, total [as Zn]daily maximum≤ 2.61 mg/Lall year101
Zinc, total [as Zn]semi-annual average≤ .419 lb/dall year101
Zinc, total [as Zn]daily maximum≤ 1.042 lb/dall year101
Aluminum, total [as Al]semi-annual average≤ 4 mg/Lall year101
Aluminum, total [as Al]daily maximum≤ 8 mg/Lall year101
Carbon tetrachloridesemi-annual average≤ .018 mg/Lall year101
Carbon tetrachloridedaily maximum≤ .038 mg/Lall year101
Carbon tetrachloridesemi-annual average≤ .0071 lb/dall year101
Carbon tetrachloridedaily maximum≤ .0151 lb/dall year101
1,2-Dichloroethanesemi-annual average≤ .068 mg/Lall year101
1,2-Dichloroethanedaily maximum≤ .211 mg/Lall year101
1,2-Dichloroethanesemi-annual average≤ .0271 lb/dall year101
1,2-Dichloroethanedaily maximum≤ .0842 lb/dall year101
Chloroformsemi-annual average≤ .021 mg/Lall year101
Chloroformdaily maximum≤ .046 mg/Lall year101
Chloroformsemi-annual average≤ .0083 lb/dall year101
Chloroformdaily maximum≤ .0183 lb/dall year101
Toluenesemi-annual average≤ .026 mg/Lall year101
Toluenedaily maximum≤ .08 mg/Lall year101
Toluenesemi-annual average≤ .0103 lb/dall year101
Toluenedaily maximum≤ .0319 lb/dall year101
Benzenesemi-annual average≤ .037 mg/Lall year101
Benzenedaily maximum≤ .136 mg/Lall year101
Benzenesemi-annual average≤ .0147 lb/dall year101
Benzenedaily maximum≤ .0543 lb/dall year101
Acenaphthylenesemi-annual average≤ .022 mg/Lall year101
Acenaphthylenedaily maximum≤ .059 mg/Lall year101
Acenaphthylenesemi-annual average≤ .0087 lb/dall year101
Acenaphthylenedaily maximum≤ .0235 lb/dall year101
Acenaphthenesemi-annual average≤ .022 mg/Lall year101
Acenaphthenedaily maximum≤ .059 mg/Lall year101
Acenaphthenesemi-annual average≤ .0087 lb/dall year101
Acenaphthenedaily maximum≤ .0235 lb/dall year101
Acroleinsemi-annual averagereport only (mg/L)all year101
Acroleindaily maximumreport only (mg/L)all year101
Acrylonitrilesemi-annual average≤ .096 mg/Lall year101
Acrylonitriledaily maximum≤ .242 mg/Lall year101
Acrylonitrilesemi-annual average≤ .0383 lb/dall year101
Acrylonitriledaily maximum≤ .0966 lb/dall year101
Anthracenesemi-annual average≤ .022 mg/Lall year101
Anthracenedaily maximum≤ .059 mg/Lall year101
Anthracenesemi-annual average≤ .0087 lb/dall year101
Anthracenedaily maximum≤ .0235 lb/dall year101
Benzo[k]fluoranthenesemi-annual average≤ .022 mg/Lall year101
Benzo[k]fluoranthenedaily maximum≤ .059 mg/Lall year101
Benzo[k]fluoranthenesemi-annual average≤ .0087 lb/dall year101
Benzo[k]fluoranthenedaily maximum≤ .0235 lb/dall year101
Benzo[a]pyrenesemi-annual average≤ .023 mg/Lall year101
Benzo[a]pyrenedaily maximum≤ .061 mg/Lall year101
Benzo[a]pyrenesemi-annual average≤ .0091 lb/dall year101
Benzo[a]pyrenedaily maximum≤ .0243 lb/dall year101
Chlorobenzenesemi-annual average≤ .015 mg/Lall year101
Chlorobenzenedaily maximum≤ .028 mg/Lall year101
Chlorobenzenesemi-annual average≤ .0059 lb/dall year101
Chlorobenzenedaily maximum≤ .0111 lb/dall year101
Chrysenesemi-annual average≤ .022 mg/Lall year101
Chrysenedaily maximum≤ .059 mg/Lall year101
Chrysenesemi-annual average≤ .0087 lb/dall year101
Chrysenedaily maximum≤ .0235 lb/dall year101
Diethyl phthalatesemi-annual average≤ .081 mg/Lall year101
Diethyl phthalatedaily maximum≤ .203 mg/Lall year101
Diethyl phthalatesemi-annual average≤ .0323 lb/dall year101
Diethyl phthalatedaily maximum≤ .081 lb/dall year101
Dimethyl phthalatesemi-annual average≤ .019 mg/Lall year101
Dimethyl phthalatedaily maximum≤ .047 mg/Lall year101
Dimethyl phthalatesemi-annual average≤ .0075 lb/dall year101
Dimethyl phthalatedaily maximum≤ .0187 lb/dall year101
Ethylbenzenesemi-annual average≤ .032 mg/Lall year101
Ethylbenzenedaily maximum≤ .108 mg/Lall year101
Ethylbenzenesemi-annual average≤ .0127 lb/dall year101
Ethylbenzenedaily maximum≤ .0431 lb/dall year101
Fluoranthenesemi-annual average≤ .025 mg/Lall year101
Fluoranthenedaily maximum≤ .068 mg/Lall year101
Fluoranthenesemi-annual average≤ .0099 lb/dall year101
Fluoranthenedaily maximum≤ .0271 lb/dall year101
Fluorenesemi-annual average≤ .022 mg/Lall year101
Fluorenedaily maximum≤ .059 mg/Lall year101
Fluorenesemi-annual average≤ .0087 lb/dall year101
Fluorenedaily maximum≤ .0235 lb/dall year101
Hexachloroethanesemi-annual average≤ .021 mg/Lall year101
Hexachloroethanedaily maximum≤ .054 mg/Lall year101
Hexachloroethanesemi-annual average≤ .0083 lb/dall year101
Hexachloroethanedaily maximum≤ .0215 lb/dall year101
Methyl chloride [Chloromethane]semi-annual average≤ .086 mg/Lall year101
Methyl chloride [Chloromethane]daily maximum≤ .19 mg/Lall year101
Methyl chloride [Chloromethane]semi-annual average≤ .0343 lb/dall year101
Methyl chloride [Chloromethane]daily maximum≤ .0758 lb/dall year101
Methylene chloridesemi-annual average≤ .04 mg/Lall year101
Methylene chloridedaily maximum≤ .089 mg/Lall year101
Methylene chloridesemi-annual average≤ .0159 lb/dall year101
Methylene chloridedaily maximum≤ .0355 lb/dall year101
Nitrobenzenesemi-annual average≤ .027 mg/Lall year101
Nitrobenzenedaily maximum≤ .068 mg/Lall year101
Nitrobenzenesemi-annual average≤ .0107 lb/dall year101
Nitrobenzenedaily maximum≤ .0271 lb/dall year101
Phenanthrenesemi-annual average≤ .022 mg/Lall year101
Phenanthrenedaily maximum≤ .059 mg/Lall year101
Phenanthrenesemi-annual average≤ .0087 lb/dall year101
Phenanthrenedaily maximum≤ .0235 lb/dall year101
Pyrenesemi-annual average≤ .025 mg/Lall year101
Pyrenedaily maximum≤ .067 mg/Lall year101
Pyrenesemi-annual average≤ .0099 lb/dall year101
Pyrenedaily maximum≤ .0267 lb/dall year101
Tetrachloroethylenesemi-annual average≤ .022 mg/Lall year101
Tetrachloroethylenedaily maximum≤ .056 mg/Lall year101
Tetrachloroethylenesemi-annual average≤ .0087 lb/dall year101
Tetrachloroethylenedaily maximum≤ .0223 lb/dall year101
1,1-Dichloroethanesemi-annual average≤ .022 mg/Lall year101
1,1-Dichloroethanedaily maximum≤ .059 mg/Lall year101
1,1-Dichloroethanesemi-annual average≤ .0087 lb/dall year101
1,1-Dichloroethanedaily maximum≤ .0235 lb/dall year101
1,1-Dichloroethylenesemi-annual average≤ .016 mg/Lall year101
1,1-Dichloroethylenedaily maximum≤ .025 mg/Lall year101
1,1-Dichloroethylenesemi-annual average≤ .0063 lb/dall year101
1,1-Dichloroethylenedaily maximum≤ .0099 lb/dall year101
1,1,1-Trichloroethanesemi-annual average≤ .021 mg/Lall year101
1,1,1-Trichloroethanedaily maximum≤ .054 mg/Lall year101
1,1,1-Trichloroethanesemi-annual average≤ .0083 lb/dall year101
1,1,1-Trichloroethanedaily maximum≤ .0215 lb/dall year101
1,1,2-Trichloroethanesemi-annual average≤ .021 mg/Lall year101
1,1,2-Trichloroethanedaily maximum≤ .054 mg/Lall year101
1,1,2-Trichloroethanesemi-annual average≤ .0083 lb/dall year101
1,1,2-Trichloroethanedaily maximum≤ .0215 lb/dall year101
Benzo[a]anthracenesemi-annual average≤ .022 mg/Lall year101
Benzo[a]anthracenedaily maximum≤ .059 mg/Lall year101
Benzo[a]anthracenesemi-annual average≤ .0087 lb/dall year101
Benzo[a]anthracenedaily maximum≤ .0235 lb/dall year101
1,2-Dichlorobenzenesemi-annual average≤ .077 mg/Lall year101
1,2-Dichlorobenzenedaily maximum≤ .163 mg/Lall year101
1,2-Dichlorobenzenesemi-annual average≤ .0307 lb/dall year101
1,2-Dichlorobenzenedaily maximum≤ .065 lb/dall year101
1,2-Dichloropropanesemi-annual average≤ .153 mg/Lall year101
1,2-Dichloropropanedaily maximum≤ .23 mg/Lall year101
1,2-Dichloropropanesemi-annual average≤ .0611 lb/dall year101
1,2-Dichloropropanedaily maximum≤ .0918 lb/dall year101
trans-1,2-Dichloroethylenesemi-annual average≤ .021 mg/Lall year101
trans-1,2-Dichloroethylenedaily maximum≤ .054 mg/Lall year101
trans-1,2-Dichloroethylenesemi-annual average≤ .0083 lb/dall year101
trans-1,2-Dichloroethylenedaily maximum≤ .0215 lb/dall year101
1,2,4-Trichlorobenzenesemi-annual average≤ .068 mg/Lall year101
1,2,4-Trichlorobenzenedaily maximum≤ .14 mg/Lall year101
1,2,4-Trichlorobenzenesemi-annual average≤ .0271 lb/dall year101
1,2,4-Trichlorobenzenedaily maximum≤ .0559 lb/dall year101
1,3-Dichlorobenzenesemi-annual average≤ .031 mg/Lall year101
1,3-Dichlorobenzenedaily maximum≤ .044 mg/Lall year101
1,3-Dichlorobenzenesemi-annual average≤ .0123 lb/dall year101
1,3-Dichlorobenzenedaily maximum≤ .0175 lb/dall year101
1,4-Dichlorobenzenesemi-annual average≤ .015 mg/Lall year101
1,4-Dichlorobenzenedaily maximum≤ .028 mg/Lall year101
1,4-Dichlorobenzenesemi-annual average≤ .0059 lb/dall year101
1,4-Dichlorobenzenedaily maximum≤ .0111 lb/dall year101
2-Chlorophenolsemi-annual average≤ .031 mg/Lall year101
2-Chlorophenoldaily maximum≤ .098 mg/Lall year101
2-Chlorophenolsemi-annual average≤ .0123 lb/dall year101
2-Chlorophenoldaily maximum≤ .0391 lb/dall year101
2-Nitrophenolsemi-annual average≤ .041 mg/Lall year101
2-Nitrophenoldaily maximum≤ .069 mg/Lall year101
2-Nitrophenolsemi-annual average≤ .0163 lb/dall year101
2-Nitrophenoldaily maximum≤ .0275 lb/dall year101
2,4-Dichlorophenolsemi-annual average≤ .039 mg/Lall year101
2,4-Dichlorophenoldaily maximum≤ .112 mg/Lall year101
2,4-Dichlorophenolsemi-annual average≤ .0155 lb/dall year101
2,4-Dichlorophenoldaily maximum≤ .0447 lb/dall year101
2,4-Dimethylphenolsemi-annual average≤ .018 mg/Lall year101
2,4-Dimethylphenoldaily maximum≤ .036 mg/Lall year101
2,4-Dimethylphenolsemi-annual average≤ .0071 lb/dall year101
2,4-Dimethylphenoldaily maximum≤ .0143 lb/dall year101
2,4-Dinitrotoluenesemi-annual average≤ .113 mg/Lall year101
2,4-Dinitrotoluenedaily maximum≤ .285 mg/Lall year101
2,4-Dinitrotoluenesemi-annual average≤ .0451 lb/dall year101
2,4-Dinitrotoluenedaily maximum≤ .1138 lb/dall year101
2,4-Dinitrophenolsemi-annual average≤ .071 mg/Lall year101
2,4-Dinitrophenoldaily maximum≤ .123 mg/Lall year101
2,4-Dinitrophenolsemi-annual average≤ .0283 lb/dall year101
2,4-Dinitrophenoldaily maximum≤ .0491 lb/dall year101
2,6-Dinitrotoluenesemi-annual average≤ .255 mg/Lall year101
2,6-Dinitrotoluenedaily maximum≤ .641 mg/Lall year101
2,6-Dinitrotoluenesemi-annual average≤ .1018 lb/dall year101
2,6-Dinitrotoluenedaily maximum≤ .2559 lb/dall year101
4-Nitrophenolsemi-annual average≤ .072 mg/Lall year101
4-Nitrophenoldaily maximum≤ .124 mg/Lall year101
4-Nitrophenolsemi-annual average≤ .0287 lb/dall year101
4-Nitrophenoldaily maximum≤ .0495 lb/dall year101
4,6-Dinitro-o-cresolsemi-annual average≤ .078 mg/Lall year101
4,6-Dinitro-o-cresoldaily maximum≤ .277 mg/Lall year101
4,6-Dinitro-o-cresolsemi-annual average≤ .0311 lb/dall year101
4,6-Dinitro-o-cresoldaily maximum≤ .1106 lb/dall year101
Phenolsemi-annual average≤ .015 mg/Lall year101
Phenoldaily maximum≤ .026 mg/Lall year101
Phenolsemi-annual average≤ .0059 lb/dall year101
Phenoldaily maximum≤ .0103 lb/dall year101
Naphthalenesemi-annual average≤ .022 mg/Lall year101
Naphthalenedaily maximum≤ .059 mg/Lall year101
Naphthalenesemi-annual average≤ .0087 lb/dall year101
Naphthalenedaily maximum≤ .0235 lb/dall year101
Di[2-ethylhexyl] phthalate [DEHP]semi-annual average≤ .103 mg/Lall year101
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .279 mg/Lall year101
Di[2-ethylhexyl] phthalate [DEHP]semi-annual average≤ .0411 lb/dall year101
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .1114 lb/dall year101
Di-n-butyl phthalatesemi-annual average≤ .027 mg/Lall year101
Di-n-butyl phthalatedaily maximum≤ .057 mg/Lall year101
Di-n-butyl phthalatesemi-annual average≤ .0107 lb/dall year101
Di-n-butyl phthalatedaily maximum≤ .0227 lb/dall year101
Vinyl chloridesemi-annual average≤ .104 mg/Lall year101
Vinyl chloridedaily maximum≤ .268 mg/Lall year101
Vinyl chloridesemi-annual average≤ .0415 lb/dall year101
Vinyl chloridedaily maximum≤ .107 lb/dall year101
Trichloroethylenesemi-annual average≤ .021 mg/Lall year101
Trichloroethylenedaily maximum≤ .054 mg/Lall year101
Trichloroethylenesemi-annual average≤ .0083 lb/dall year101
Trichloroethylenedaily maximum≤ .0215 lb/dall year101
Heptachlorsemi-annual averagereport only (mg/L)all year101
Heptachlordaily maximumreport only (mg/L)all year101
Hexachlorobenzenesemi-annual average≤ .015 mg/Lall year101
Hexachlorobenzenedaily maximum≤ .028 mg/Lall year101
Hexachlorobenzenesemi-annual average≤ .0059 lb/dall year101
Hexachlorobenzenedaily maximum≤ .0111 lb/dall year101
Hexachlorobutadienesemi-annual average≤ .02 mg/Lall year101
Hexachlorobutadienedaily maximum≤ .049 mg/Lall year101
Hexachlorobutadienesemi-annual average≤ .0079 lb/dall year101
Hexachlorobutadienedaily maximum≤ .0195 lb/dall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
1,3-Dichloropropenesemi-annual average≤ .029 mg/Lall year101
1,3-Dichloropropenedaily maximum≤ .044 mg/Lall year101
1,3-Dichloropropenesemi-annual average≤ .0115 lb/dall year101
1,3-Dichloropropenedaily maximum≤ .0175 lb/dall year101
3,4-Benzofluoranthenesemi-annual average≤ .023 mg/Lall year101
3,4-Benzofluoranthenedaily maximum≤ .061 mg/Lall year101
3,4-Benzofluoranthenesemi-annual average≤ .0091 lb/dall year101
3,4-Benzofluoranthenedaily maximum≤ .0243 lb/dall year101
1,4-Dioxanesemi-annual averagereport only (mg/L)all year101
1,4-Dioxanedaily maximumreport only (mg/L)all year101
Chloroethanesemi-annual average≤ .104 mg/Lall year101
Chloroethanedaily maximum≤ .268 mg/Lall year101
Chloroethanesemi-annual average≤ .0415 lb/dall year101
Chloroethanedaily maximum≤ .107 lb/dall year101
pHinstantaneous minimum≥ 6 SUall year301
pHinstantaneous maximum≤ 9 SUall year301
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year301
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year301
Chlorine, free availablemonthly average≤ .2 mg/Lall year301
Chlorine, free availabledaily maximum≤ .5 mg/Lall year301

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

Same industry: the 66 Chemicals and Allied Products permits in Pennsylvania.

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