419.56—Standards of performance for new sources (NSPS).

Pollutant or pollutant property NSPS effluent limitation
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed
Metric units (kilograms per 1,000 m3 of feedstock)
BOD5 41.6 22.1
TSS 28.1 17.9
COD 1 295.0 152.0
Oil and grease 12.6 6.7
Phenolic compounds 0.30 0.14
Ammonia as N 23.4 10.7
Sulfide 0.26 0.12
Total chromium 0.64 0.37
Hexavalent chromium 0.052 0.024
pH (2) (2)
English units (pounds per 1,000 bbl of feedstock)
BOD5 14.7 7.8
TSS 9.9 6.3
COD 1 104.0 54.0
Oil and grease 4.5 2.4
Phenolic compounds 0.105 0.051
Ammonia as N 8.3 3.8
Sulfide 0.093 0.042
Total chromium 0.220 0.13
Hexavalent chromium 0.019 0.0084
pH (2) (2)
1 See footnote following table in § 419.13(d) .
2 Within the range 6.0 to 9.0.
1,000 bbl of feedstock per stream day Size factor
Less than 124.9 0.73
125.0 to 149.9 0.76
150.0 to 174.9 0.83
175.0 to 199.9 0.91
200 to 224.9 0.99
225 or greater 1.04
Process configuration Process factor
Less than 6.49 0.75
6.5 to 7.49 0.82
7.5 to 7.99 0.92
8.0 to 8.49 1.00
8.5 to 8.99 1.10
9.0 to 9.49 1.20
9.5 to 9.99 1.30
10.0 to 10.49 1.42
10.5 to 10.99 1.54
11.0 to 11.49 1.68
11.5 to 11.99 1.83
12.0 to 12.49 1.99
12.5 to 12.99 2.17
13.0 or greater 2.26
(c) The provisions of § 419.16(c) apply to discharges of process wastewater pollutants attributable to ballast water by a point source subject to the provision of this subpart.
[47 FR 46446, Oct. 18, 1982, as amended at 50 FR 28523, 28528, July 12, 1985; 50 FR 32414, Aug. 12, 1985]