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Air Liquide Large Industries U.S. LP

Industrial Organic Chemicals, major discharger, Geismar, Louisiana. NPDES permit LA0006220, in force until Jul 26, 2027. Last 12 months: over a limit 11 times (last September 2026), 11 of 66 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (6 values), outfall 002 form Q quarterly (6 values), outfall 004 form A monthly (2 values), outfall 101 form A monthly (6 values), outfall 101 form Q quarterly (2 values), outfall IT01 form A monthly (2 values), and 4 more forms
Renewal application due
Jan 27, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 2 required values missing, 5 of 66 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025001pH range excursions, monthly total accum, monthly total652 min≤ 446 min46%
December 2025001pH range excursions, > 60 minutes, monthly total8 occur/mo≤ 0 occur/mo—
December 2025001pH range excursions, monthly total accum, monthly total1287 min≤ 446 min189%
December 2025002pH, instantaneous maximum9.35 SU≤ 9 SU—
January 2026001pH range excursions, > 60 minutes, monthly total5 occur/mo≤ 0 occur/mo—
January 2026001pH range excursions, monthly total accum, monthly total2418 min≤ 446 min442%
March 2026001pH range excursions, > 60 minutes, monthly total1 occur/mo≤ 0 occur/mo—
March 2026001pH range excursions, monthly total accum, monthly total485 min≤ 446 min9%
June 2026001pH range excursions, > 60 minutes, monthly total1 occur/mo≤ 0 occur/mo—
September 2026001pH range excursions, > 60 minutes, monthly total5 occur/mo≤ 0 occur/mo—
September 2026001pH range excursions, monthly total accum, monthly total1509 min≤ 446 min238%

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)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
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute D. pulexmaximumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximumreport only (%)all year001
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year101
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year101
BOD, 5-day, 20 deg. Cmonthly average≤ 174 lb/dall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 349 lb/dall year101
Solids, total suspendedmonthly average≤ 459 lb/dall year101
Solids, total suspendeddaily maximum≤ 1357 lb/dall year101
Oil and greasemonthly average≤ 174 lb/dall year101
Oil and greasedaily maximum≤ 261 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
Coliform, fecal generalmonthly average≤ 200 #/100mLall year101
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearIT01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearIT01

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

Same industry: the 130 Chemicals and Allied Products permits in Louisiana.

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