Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 258 - Meat Products
Section NR 258.12 - Standards of performance
Current through August 26, 2024
The following effluent limitations when applied in accordance with s. NR 258.06 establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this chapter.
(1) The pH of all discharges shall be within the range of 6.0 to 9.0.
(2) The fecal coliform of all discharges except those from the small processor subcategory shall not exceed an MPN of 400/100 ml.
(3) The BOD5, suspended solids, oil and grease, and ammonia 30 day average limitations are set forth in table 3. The daily maximum limitations are 2 times the 30 day average values.
(4) For a renderer who conducts hide curing the effluent limitations for the renderer subcategory in table 3 shall be increased by adding;
Table 3
Standards of Performance Effluent Limitations |
||||
Subcategory |
BOD5 |
Suspended Solids |
Oil and Grease |
Ammonia |
(in lbs/1000 lbs. LWK, or kg/1000 kg. LWK) |
||||
Simple slaughterhouse |
0.12 |
0.20 |
0.06 |
0.17 |
Complex slaughterhouse |
0.21 |
0.25 |
0.08 |
0.24 |
Low-processing packinghouse |
0.17 |
0.24 |
0.08 |
0.24 |
High-processing packinghouse |
note (1) |
note (2) |
0.13 |
0.40 |
(in lbs/1000 lbs. or kg/1000 kg. of finished product) |
||||
Small processor |
0.5 |
0.6 |
0.25 |
|
Meat cutter |
0.015 |
0.018 |
0.006 |
|
Sausage & luncheon meat |
||||
processor |
0.24 |
0.29 |
0.10 |
|
Ham processor |
0.31 |
0.37 |
0.11 |
|
Canned meat processor |
0.37 |
0.45 |
0.13 |
|
(in lbs/1000 lbs. or kg/1000 kg. of RM) |
||||
Renderer |
0.17 |
0.21 |
0.10 |
0.17 |
(in lbs/1000 lbs. ELWK, or kg/1000 kg. ELWK) |
||||
Operations |
||||
Hide processing |
0.02 |
0.04 |
||
Blood processing |
0.02 |
0.04 |
0.03 |
|
Rendering, wet or low |
||||
temperature |
0.03 |
0.06 |
0.05 |
|
Rendering, dry |
0.01 |
0.02 |
0.02 |
(1) Limitation is calculated using the formula 0.21)0.23 (V-0.4) where V is the lb processed meat products/lb LWK.
Limitation is calculated using the formula 0.28) 0.30 (V-0.4) where V is the same as note (1).