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Linde, North America

Industrial Gases, Buffalo, New York. NPDES permit NY0085294 expired Jun 30, 2025; its limits still apply. Last 12 months: no values over a limit, 10 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: outfall 001 form M monthly (3 values), outfall 002 form M monthly (7 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 17 of 24 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months	Outfall
Flow rate	daily maximum	report only (gal/min)	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	all year	002
Flow rate	daily maximum	≤ 55000 gal/d	all year	002
pH	minimum	≥ 6.5 SU	all year	002
pH	maximum	≤ 8.5 SU	all year	002
Solids, total suspended	monthly average	≤ 25 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 40 mg/L	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002

How strict are these limits?

pH, maximum 8.5 SU — stricter than 54% of 595 other minor industrial and other permits in New York; 45% have the same limit
pH, minimum at least 6.5 SU — stricter than 54% of 595 other minor industrial and other permits in New York; 46% have the same limit
Solids, total suspended, monthly average 25 mg/L — stricter than 39% of 146 other minor industrial and other permits in New York; 6% have the same limit

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

Same industry: the 31 Chemicals and Allied Products permits in New York.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0085294 · MCP: https://passage-data.com/mcp