Deer Park Refining Limited Parnership — NPDES permit TX0004871: limits, due date and EPA's record

Petroleum Refining, major discharger, Deer Park, Texas. NPDES permit TX0004871 expired Mar 4, 2026; its limits still apply. Last 12 months: over a limit 5 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

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

Period ending	Outfall	Parameter	Reported	Limit	Over by
October 2025	003	Carbon, tot organic [TOC], daily maximum	86.4 mg/L	≤ 70 mg/L	23%
December 2025	003	pH, maximum	10 SU	≤ 9 SU	—
February 2026	007	Phenols, daily maximum	30.445 lb/d	≤ 20 lb/d	52%
June 2026	108	Nitrogen, ammonia total [as N], daily maximum	3.4 mg/L	≤ 3 mg/L	13%
July 2026	003	pH, maximum	9.8 SU	≤ 9 SU	—

Limits in force (276)

Parameter	Statistic	Limit	Months	Outfall
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	001
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	001
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 9 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	002
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	002
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	002
pH	minimum	≥ 6 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	003
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	003
pH	minimum	≥ 6 SU	all year	004
pH	maximum	≤ 9 SU	all year	004
Oil & Grease	daily maximum	≤ 15 mg/L	all year	004
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	004
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	004
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	004
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	004
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	004
pH	minimum	≥ 6 SU	all year	006
pH	maximum	≤ 9 SU	all year	006
Oil & Grease	daily maximum	≤ 15 mg/L	all year	006
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	006
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	006
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	006
Temperature, water deg. fahrenheit	daily maximum	≤ 105 deg F	all year	007
BOD, 5-day, 20 deg. C	daily average	≤ 1410 lb/d	all year	007
BOD, 5-day, 20 deg. C	daily maximum	≤ 2820 lb/d	all year	007
pH	minimum	≥ 5 SU	all year	007
pH	maximum	≤ 11 SU	all year	007
Solids, total suspended	daily average	≤ 1980 lb/d	all year	007
Solids, total suspended	daily maximum	≤ 2970 lb/d	all year	007
Oil & Grease	daily average	≤ 660 lb/d	all year	007
Oil & Grease	daily maximum	≤ 990 lb/d	all year	007
Nitrogen, total [as N]	daily average	report only (mg/L)	all year	007
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	007
Nitrogen, ammonia total [as N]	daily average	≤ 500 lb/d	all year	007
Nitrogen, ammonia total [as N]	daily maximum	≤ 1580 lb/d	all year	007
Phosphorus, total [as P]	daily average	report only (mg/L)	all year	007
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	007
Carbon, tot organic [TOC]	daily average	≤ 3000 lb/d	all year	007
Carbon, tot organic [TOC]	daily maximum	≤ 6000 lb/d	all year	007
Sulfide, total [as S]	daily average	≤ 10 lb/d	all year	007
Sulfide, total [as S]	daily maximum	≤ 20 lb/d	all year	007
Chromium, hexavalent [as Cr]	daily average	≤ 2.1 lb/d	all year	007
Chromium, hexavalent [as Cr]	daily maximum	≤ 4.7 lb/d	all year	007
Chromium, total [as Cr]	daily average	≤ 22 lb/d	all year	007
Chromium, total [as Cr]	daily maximum	≤ 44 lb/d	all year	007
Copper, total [as Cu]	daily average	≤ 2.36 lb/d	all year	007
Copper, total [as Cu]	daily maximum	≤ 5.5 lb/d	all year	007
Nickel, total [as Ni]	daily average	≤ .59 lb/d	all year	007
Nickel, total [as Ni]	daily maximum	≤ 1.39 lb/d	all year	007
Carbon tetrachloride	daily average	≤ .52 lb/d	all year	007
Carbon tetrachloride	daily maximum	≤ 1.09 lb/d	all year	007
Chloroform	daily average	≤ .6 lb/d	all year	007
Chloroform	daily maximum	≤ 1.32 lb/d	all year	007
Toluene	daily average	≤ .74 lb/d	all year	007
Toluene	daily maximum	≤ 2.29 lb/d	all year	007
Benzene	daily average	≤ 1.06 lb/d	all year	007
Benzene	daily maximum	≤ 3.89 lb/d	all year	007
Acenaphthylene	daily average	≤ .63 lb/d	all year	007
Acenaphthylene	daily maximum	≤ 1.69 lb/d	all year	007
Acenaphthene	daily average	≤ .63 lb/d	all year	007
Acenaphthene	daily maximum	≤ 1.69 lb/d	all year	007
Acrylonitrile	daily average	≤ 2.75 lb/d	all year	007
Acrylonitrile	daily maximum	≤ 6.93 lb/d	all year	007
Anthracene	daily average	≤ .63 lb/d	all year	007
Anthracene	daily maximum	≤ 1.69 lb/d	all year	007
Benzo[b]fluoranthene	daily average	≤ .66 lb/d	all year	007
Benzo[b]fluoranthene	daily maximum	≤ 1.75 lb/d	all year	007
Benzo[k]fluoranthene	daily average	≤ .63 lb/d	all year	007
Benzo[k]fluoranthene	daily maximum	≤ 1.69 lb/d	all year	007
Benzo[a]pyrene	daily average	≤ .66 lb/d	all year	007
Benzo[a]pyrene	daily maximum	≤ 1.75 lb/d	all year	007
Chlorobenzene	daily average	≤ .43 lb/d	all year	007
Chlorobenzene	daily maximum	≤ .8 lb/d	all year	007
Chloroethane, total weight	daily average	≤ 2.98 lb/d	all year	007
Chloroethane, total weight	daily maximum	≤ 7.67 lb/d	all year	007
Chrysene	daily average	≤ .63 lb/d	all year	007
Chrysene	daily maximum	≤ 1.69 lb/d	all year	007
Diethyl phthalate	daily average	≤ 2.32 lb/d	all year	007
Diethyl phthalate	daily maximum	≤ 5.81 lb/d	all year	007
Dimethyl phthalate	daily average	≤ .54 lb/d	all year	007
Dimethyl phthalate	daily maximum	≤ 1.35 lb/d	all year	007
Ethylbenzene	daily average	≤ .92 lb/d	all year	007
Ethylbenzene	daily maximum	≤ 3.09 lb/d	all year	007
Fluoranthene	daily average	≤ .72 lb/d	all year	007
Fluoranthene	daily maximum	≤ 1.95 lb/d	all year	007
Fluorene	daily average	≤ .63 lb/d	all year	007
Fluorene	daily maximum	≤ 1.69 lb/d	all year	007
Hexachlorobutadiene	daily average	≤ .57 lb/d	all year	007
Hexachlorobutadiene	daily maximum	≤ 1.4 lb/d	all year	007
Hexachloroethane	daily average	≤ .6 lb/d	all year	007
Hexachloroethane	daily maximum	≤ 1.55 lb/d	all year	007
Methyl chloride [Chloromethane]	daily average	≤ 2.46 lb/d	all year	007
Methyl chloride [Chloromethane]	daily maximum	≤ 5.44 lb/d	all year	007
Methylene chloride	daily average	≤ 1.14 lb/d	all year	007
Methylene chloride	daily maximum	≤ 2.55 lb/d	all year	007
Nitrobenzene	daily average	≤ .77 lb/d	all year	007
Nitrobenzene	daily maximum	≤ 1.95 lb/d	all year	007
Phenanthrene	daily average	≤ .63 lb/d	all year	007
Phenanthrene	daily maximum	≤ 1.69 lb/d	all year	007
Pyrene	daily average	≤ .72 lb/d	all year	007
Pyrene	daily maximum	≤ 1.92 lb/d	all year	007
Tetrachloroethylene	daily average	≤ .63 lb/d	all year	007
Tetrachloroethylene	daily maximum	≤ 1.6 lb/d	all year	007
1,1-Dichloroethane	daily average	≤ .63 lb/d	all year	007
1,1-Dichloroethane	daily maximum	≤ 1.69 lb/d	all year	007
1,1-Dichloroethylene	daily average	≤ .46 lb/d	all year	007
1,1-Dichloroethylene	daily maximum	≤ .72 lb/d	all year	007
1,1,1-Trichloroethane	daily average	≤ .6 lb/d	all year	007
1,1,1-Trichloroethane	daily maximum	≤ 1.55 lb/d	all year	007
1,1,2-Trichloroethane	daily average	≤ .6 lb/d	all year	007
1,1,2-Trichloroethane	daily maximum	≤ 1.55 lb/d	all year	007
Benzo[a]anthracene	daily average	≤ .63 lb/d	all year	007
Benzo[a]anthracene	daily maximum	≤ 1.69 lb/d	all year	007
1,2-Dichloroethane, total weight	daily average	≤ 1.95 lb/d	all year	007
1,2-Dichloroethane, total weight	daily maximum	≤ 6.04 lb/d	all year	007
1,2-Dichlorobenzene	daily average	≤ 2.2 lb/d	all year	007
1,2-Dichlorobenzene	daily maximum	≤ 4.67 lb/d	all year	007
1,2-Dichloropropane	daily average	≤ 4.38 lb/d	all year	007
1,2-Dichloropropane	daily maximum	≤ 6.58 lb/d	all year	007
trans-1,2-Dichloroethylene	daily average	≤ .6 lb/d	all year	007
trans-1,2-Dichloroethylene	daily maximum	≤ 1.55 lb/d	all year	007
1,2,4-Trichlorobenzene	daily average	≤ 1.95 lb/d	all year	007
1,2,4-Trichlorobenzene	daily maximum	≤ 4.01 lb/d	all year	007
1,3-Dichloropropene, total weight	daily average	≤ .83 lb/d	all year	007
1,3-Dichloropropene, total weight	daily maximum	≤ 1.26 lb/d	all year	007
1,3-Dichlorobenzene	daily average	≤ .89 lb/d	all year	007
1,3-Dichlorobenzene	daily maximum	≤ 1.26 lb/d	all year	007
1,4-Dichlorobenzene	daily average	≤ .43 lb/d	all year	007
1,4-Dichlorobenzene	daily maximum	≤ .8 lb/d	all year	007
2-Chlorophenol	daily average	≤ .89 lb/d	all year	007
2-Chlorophenol	daily maximum	≤ 2.81 lb/d	all year	007
2-Nitrophenol	daily average	≤ 1.17 lb/d	all year	007
2-Nitrophenol	daily maximum	≤ 1.98 lb/d	all year	007
2,4-Dichlorophenol	daily average	≤ 1.12 lb/d	all year	007
2,4-Dichlorophenol	daily maximum	≤ 3.21 lb/d	all year	007
2,4-Dimethylphenol	daily average	≤ .52 lb/d	all year	007
2,4-Dimethylphenol	daily maximum	≤ 1.03 lb/d	all year	007
2,4-Dinitrotoluene	daily average	≤ 3.23 lb/d	all year	007
2,4-Dinitrotoluene	daily maximum	≤ 8.16 lb/d	all year	007
2,4-Dinitrophenol	daily average	≤ 2.03 lb/d	all year	007
2,4-Dinitrophenol	daily maximum	≤ 3.52 lb/d	all year	007
2,6-Dinitrotoluene	daily average	≤ 7.3 lb/d	all year	007
2,6-Dinitrotoluene	daily maximum	≤ 18.35 lb/d	all year	007
4-Nitrophenol	daily average	≤ 2.06 lb/d	all year	007
4-Nitrophenol	daily maximum	≤ 3.55 lb/d	all year	007
4,6-Dinitro-o-cresol	daily average	≤ 2.23 lb/d	all year	007
4,6-Dinitro-o-cresol	daily maximum	≤ 7.93 lb/d	all year	007
Naphthalene	daily average	≤ .63 lb/d	all year	007
Naphthalene	daily maximum	≤ 1.69 lb/d	all year	007
Di[2-ethylhexyl] phthalate [DEHP]	daily average	≤ 2.95 lb/d	all year	007
Di[2-ethylhexyl] phthalate [DEHP]	daily maximum	≤ 7.99 lb/d	all year	007
Di-n-butyl phthalate	daily average	≤ .77 lb/d	all year	007
Di-n-butyl phthalate	daily maximum	≤ 1.63 lb/d	all year	007
Vinyl chloride	daily average	≤ 2.98 lb/d	all year	007
Vinyl chloride	daily maximum	≤ 7.67 lb/d	all year	007
Trichloroethylene	daily average	≤ .6 lb/d	all year	007
Trichloroethylene	daily maximum	≤ 1.55 lb/d	all year	007
Hexachlorobenzene	daily average	≤ .0119 lb/d	all year	007
Hexachlorobenzene	daily maximum	≤ .0251 lb/d	all year	007
Phenols	daily average	≤ 12 lb/d	all year	007
Phenols	daily average	≤ .43 lb/d	all year	007
Phenols	daily maximum	≤ 20 lb/d	all year	007
Phenols	daily maximum	≤ .74 lb/d	all year	007
Flow, in conduit or thru treatment plant	daily average	≤ 9.25 MGD	all year	007
Flow, in conduit or thru treatment plant	daily maximum	≤ 14 MGD	all year	007
Enterococci	daily average	report only (CFU/100mL)	all year	007
Enterococci	daily maximum	report only (CFU/100mL)	all year	007
pH range excursions, > 60 minutes	monthly total	≤ 0 occur/mo	all year	007
pH range excursions, monthly total accum	monthly total	≤ 446 min	all year	007
TCDD equivalents	daily maximum	report only (ppq)	all year	007
pH	minimum	≥ 6 SU	all year	008
pH	maximum	≤ 9 SU	all year	008
Oil & Grease	daily maximum	≤ 15 mg/L	all year	008
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	008
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	008
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	008
pH	minimum	≥ 6 SU	all year	009
pH	maximum	≤ 9 SU	all year	009
Oil & Grease	daily maximum	≤ 15 mg/L	all year	009
Carbon, tot organic [TOC]	daily maximum	≤ 70 mg/L	all year	009
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	009
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	009
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	009
Mercury, total [as Hg]	daily maximum	report only (mg/L)	all year	009
BOD, 5-day, 20 deg. C	daily maximum	≤ 37 mg/L	all year	010
pH	minimum	≥ 6 SU	all year	010
pH	maximum	≤ 9 SU	all year	010
Solids, total suspended	daily maximum	≤ 200 mg/L	all year	010
Oil & Grease	daily maximum	≤ 15 mg/L	all year	010
Nitrogen, ammonia total [as N]	daily maximum	≤ 3 mg/L	all year	010
Nitrogen, ammonia total [as N]	daily maximum	report only (lb/d)	all year	010
Carbon, tot organic [TOC]	daily maximum	≤ 78 mg/L	all year	010
Sulfide, total [as S]	daily maximum	≤ .26 mg/L	all year	010
Chromium, hexavalent [as Cr]	daily maximum	≤ .06 mg/L	all year	010
Chromium, total [as Cr]	daily maximum	≤ .57 mg/L	all year	010
Phenols	daily maximum	≤ .26 mg/L	all year	010
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	010
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	010
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	107
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	107
Enterococci	daily average	≤ 168 CFU/100mL	all year	107
Enterococci	daily maximum	≤ 500 CFU/100mL	all year	107
BOD, 5-day, 20 deg. C	daily maximum	≤ 37 mg/L	all year	108
BOD, 5-day, 20 deg. C	daily maximum	≤ 12528 lb/d	all year	108
pH	minimum	≥ 6 SU	all year	108
pH	maximum	≤ 9 SU	all year	108
Solids, total suspended	daily maximum	≤ 200 mg/L	all year	108
Solids, total suspended	daily maximum	≤ 67711 lb/d	all year	108
Oil & Grease	daily maximum	≤ 15 mg/L	all year	108
Oil & Grease	daily maximum	≤ 5078 lb/d	all year	108
Nitrogen, ammonia total [as N]	daily maximum	≤ 3 mg/L	all year	108
Nitrogen, ammonia total [as N]	daily maximum	≤ 1015 lb/d	all year	108
Carbon, tot organic [TOC]	daily maximum	≤ 78 mg/L	all year	108
Carbon, tot organic [TOC]	daily maximum	≤ 26407 lb/d	all year	108
Sulfide, total [as S]	daily maximum	≤ .26 mg/L	all year	108
Sulfide, total [as S]	daily maximum	≤ 88 lb/d	all year	108
Chromium, hexavalent [as Cr]	daily maximum	≤ .06 mg/L	all year	108
Chromium, hexavalent [as Cr]	daily maximum	≤ 20 lb/d	all year	108
Chromium, total [as Cr]	daily maximum	≤ .57 mg/L	all year	108
Chromium, total [as Cr]	daily maximum	≤ 193 lb/d	all year	108
Phenols	daily maximum	≤ .26 mg/L	all year	108
Phenols	daily maximum	≤ 88 lb/d	all year	108
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	108
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	108
Flow, in conduit or thru treatment plant	daily average	report only (MGD)	all year	207
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	207
Whole effluent toxicity - retest #1	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #1	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #1	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #1	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #2	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #2	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #2	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
Whole effluent toxicity - retest #2	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX7
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX7
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia	7-day minimum	report only (%)	all year	TX7
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia	monthly average minimum	report only (%)	all year	TX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia	7-day minimum	report only (%)	all year	TX7
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia	monthly average minimum	report only (%)	all year	TX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia	7-day minimum	report only (pass=0;fail=1)	all year	TX7
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia	monthly average minimum	report only (pass=0;fail=1)	all year	TX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia	7-day minimum	report only (%)	all year	TX7
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia	monthly average minimum	report only (%)	all year	TX7
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	7-day minimum	report only (%)	all year	TX7
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)	monthly average minimum	report only (%)	all year	TX7
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia	7-day minimum	report only (%)	all year	TX7
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia	monthly average minimum	report only (%)	all year	TX7
Whole effluent toxicity - retest #1	single sample	report only (pass=0;fail=1)	all year	TXG
Whole effluent toxicity - retest #2	single sample	report only (pass=0;fail=1)	all year	TXG
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)	single sample	report only (pass=0;fail=1)	all year	TXG
LC50 Pass/Fail Static 24Hr Acute Menidia menidia	single sample	report only (pass=0;fail=1)	all year	TXG

How strict are these limits?

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