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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER N: EFFLUENT GUIDELINES AND STANDARDS
PART 425: LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY
Subpart H: Pigskin Subcategory
425.84 - New source performance standards (NSPS).
Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
| Pollutant or pollutant property | NSPS | Maximum for any 1 day | Maximum for monthly average |
| Kg/kkg (or pounds per 1,000 lb) of raw material | ||
| BOD5 | 5.8 | 2.6 |
| TSS | 8.3 | 3.8 |
| Oil and grease | 2.4 | 1.1 |
| Total chromium | 0.15 | 0.05 |
| pH | (1) | (1) |
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