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Surgical And Medical Instruments, Ann Arbor, Michigan. NPDES permit MI0048453, in force until Oct 1, 2028. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Hydrogen peroxide | monthly average | < 50 ug/L | all year |
| Hydrogen peroxide | daily maximum | report only (ug/L) | all year |
| Hydrogen peroxide | monthly average | report only (lb/d) | all year |
| Hydrogen peroxide | daily maximum | report only (lb/d) | all year |
| Ozone | daily maximum | < 10 ug/L | all year |
| Ozone | daily maximum | report only (lb/d) | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Chloride [as Cl] | daily maximum | report only (ug/L) | all year |
| Sulfate, total [as SO4] | daily maximum | report only (ug/L) | all year |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | all year |
| Equipment inspection - visual | value | report only (N=0;Y=1) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Sodium Bisulfite | daily maximum | report only (mg/L) | all year |
| Bromate | monthly average | ≤ 10 ug/L | all year |
| Bromate | daily maximum | report only (ug/L) | all year |
| 1,4-Dioxane | monthly average | ≤ 7 ug/L | all year |
| 1,4-Dioxane | daily maximum | ≤ 22 ug/L | all year |
| 1,4-Dioxane | daily maximum | report only (mg/L) | all year |
| Outfall observation,visual, y/n response | value | report only (N=0;Y=1) | all year |
Cited limits by parameter: Michigan'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/MI0048453 · MCP: https://passage-data.com/mcp