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AIRCRAFT SERVICE INTERNATIONAL INC. d/b/a MENZIES AVIATION

Petroleum Bulk Stations & Terminals, Chicago, Illinois. NPDES permit IL0066567, in force until Apr 30, 2028. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (6 values), outfall 001 form Q quarterly (16 values), outfall 002 form Q quarterly (28 values), outfall 003 form Q quarterly (28 values)
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 19 of 24 reports late

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

Period endingParameterReportedLimitOver by
March 2026Ethylbenzene, quarterly average.035 mg/L≤ .014 mg/L150%

Limits in force (78)

ParameterStatisticLimitMonthsOutfall
pHmonthly minimum≥ 6.5 SUall year001
pHmonthly maximum≤ 9 SUall year001
Oil & Grease30-day average≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 30 mg/Lall year001
Toluenequarterly averagereport only (mg/L)all year001
Toluenequarterly averagereport only (mg/L)all year001
Toluenequarterly maximumreport only (mg/L)all year001
Toluenequarterly maximumreport only (mg/L)all year001
Benzenequarterly averagereport only (mg/L)all year001
Benzenequarterly averagereport only (mg/L)all year001
Benzenequarterly maximumreport only (mg/L)all year001
Benzenequarterly maximumreport only (mg/L)all year001
Ethylbenzenequarterly average≤ .014 mg/Lall year001
Ethylbenzenequarterly average≤ .014 mg/Lall year001
Ethylbenzenequarterly maximum≤ .15 mg/Lall year001
Ethylbenzenequarterly maximum≤ .15 mg/Lall 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
Xylene [mix of m+o+p]quarterly average≤ .36 mg/Lall year001
Xylene [mix of m+o+p]quarterly average≤ .36 mg/Lall year001
Xylene [mix of m+o+p]quarterly maximum≤ .92 mg/Lall year001
Xylene [mix of m+o+p]quarterly maximum≤ .92 mg/Lall year001
pHquarterly minimumreport only (SU)all year002
pHquarterly minimumreport only (SU)all year002
pHquarterly maximumreport only (SU)all year002
pHquarterly maximumreport only (SU)all year002
Oil & Greasequarterly averagereport only (mg/L)all year002
Oil & Greasequarterly averagereport only (mg/L)all year002
Oil & Greasequarterly maximumreport only (mg/L)all year002
Oil & Greasequarterly maximumreport only (mg/L)all year002
Toluenequarterly averagereport only (mg/L)all year002
Toluenequarterly averagereport only (mg/L)all year002
Toluenequarterly maximumreport only (mg/L)all year002
Toluenequarterly maximumreport only (mg/L)all year002
Benzenequarterly averagereport only (mg/L)all year002
Benzenequarterly averagereport only (mg/L)all year002
Benzenequarterly maximumreport only (mg/L)all year002
Benzenequarterly maximumreport only (mg/L)all year002
Ethylbenzenequarterly averagereport only (mg/L)all year002
Ethylbenzenequarterly averagereport only (mg/L)all year002
Ethylbenzenequarterly maximumreport only (mg/L)all year002
Ethylbenzenequarterly maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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 plantdaily maximumreport only (MGD)all year002
Xylene [mix of m+o+p]quarterly averagereport only (mg/L)all year002
Xylene [mix of m+o+p]quarterly averagereport only (mg/L)all year002
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year002
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year002
pHquarterly minimumreport only (SU)all year003
pHquarterly minimumreport only (SU)all year003
pHquarterly maximumreport only (SU)all year003
pHquarterly maximumreport only (SU)all year003
Oil & Greasequarterly averagereport only (mg/L)all year003
Oil & Greasequarterly averagereport only (mg/L)all year003
Oil & Greasequarterly maximumreport only (mg/L)all year003
Oil & Greasequarterly maximumreport only (mg/L)all year003
Toluenequarterly averagereport only (mg/L)all year003
Toluenequarterly averagereport only (mg/L)all year003
Toluenequarterly maximumreport only (mg/L)all year003
Toluenequarterly maximumreport only (mg/L)all year003
Benzenequarterly averagereport only (mg/L)all year003
Benzenequarterly averagereport only (mg/L)all year003
Benzenequarterly maximumreport only (mg/L)all year003
Benzenequarterly maximumreport only (mg/L)all year003
Ethylbenzenequarterly averagereport only (mg/L)all year003
Ethylbenzenequarterly averagereport only (mg/L)all year003
Ethylbenzenequarterly maximumreport only (mg/L)all year003
Ethylbenzenequarterly maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Xylene [mix of m+o+p]quarterly averagereport only (mg/L)all year003
Xylene [mix of m+o+p]quarterly averagereport only (mg/L)all year003
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year003
Xylene [mix of m+o+p]quarterly maximumreport only (mg/L)all year003

How strict are these limits?

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

Same industry: the 34 Wholesale Trade — Nondurable Goods permits in Illinois.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IL0066567 · MCP: https://passage-data.com/mcp