New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS): (a) The following limitations apply to all mechanical barking installations: There shall be no discharge of process wastewater pollutants into navigable waters. (b) The following limitations constitute the maximum permissible discharge for hydraulic barking installations: Subpart A Pollutant or pollutant property NSPS effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Metric units (kilograms per cubic meter of production) BOD 5 1.5 0.5 TSS 6.9 2.3 pH ( 1 ) ( 1 ) English units (pounds per cubic foot of production) BOD 5 0.09 0.03 TSS 0.431 0.144 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 9.0 at all times.