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Industrial Gases, Bethlehem, Pennsylvania. NPDES permit PA0012092, in force until Feb 29, 2028. Last 12 months: over a limit 2 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit |
|---|---|---|---|---|
| December 2025 | 101 | pH, instantaneous maximum | 11.24 SU | ≤ 9 SU |
| December 2025 | 102 | pH, instantaneous maximum | 12.25 SU | ≤ 9 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 004 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 005 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 101 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 101 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 101 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 101 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 101 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 102 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 102 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 102 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 102 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 102 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 102 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 102 |
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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On EPA ECHO: Facility report · DMR history
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