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Aircraft Parts And Equipment, Portland, Oregon. NPDES permit OR0031828 expired Aug 31, 2017; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year |
| Phosphate, total [as PO4] | monthly average | report only (mg/L) | all year |
| Dichlorobromomethane | daily maximum | ≤ 5 ug/L | all year |
| Carbon tetrachloride | daily maximum | ≤ 5 ug/L | all year |
| 1,2-Dichloroethane | daily maximum | ≤ 5 ug/L | all year |
| Bromoform | daily maximum | ≤ 5 ug/L | all year |
| Chloroform | daily maximum | ≤ 5 ug/L | all year |
| Toluene | daily maximum | ≤ 5 ug/L | all year |
| Benzene | daily maximum | ≤ 5 ug/L | all year |
| Chlorodibromomethane | daily maximum | ≤ 5 ug/L | all year |
| Ethylbenzene | daily maximum | ≤ 5 ug/L | all year |
| Methylene chloride | daily maximum | ≤ 5 ug/L | all year |
| 1,1-Dichloroethylene | daily maximum | ≤ 5 ug/L | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ 5 ug/L | all year |
| 1,2-Dichloropropane | daily maximum | ≤ 5 ug/L | all year |
| Vinyl chloride | daily maximum | ≤ 1 ug/L | all year |
| Trichloroethylene | daily maximum | ≤ 5 ug/L | all year |
| Flow, in conduit or thru treatment plant | daily minimum | report only (gal/min) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year |
| pH, maximum | daily maximum | ≤ 8.5 SU | all year |
| pH, minimum | daily minimum | ≥ 6.5 SU | all year |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 5 ug/L | all year |
Cited limits by parameter: Oregon's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OR0031828 · MCP: https://passage-data.com/mcp