1. Regulations
  2. title 40
  3. chapter I-i31
  4. part 455
  5. subpart A
  6. § 455.25

View all text of Subpart A [§ 455.11 - § 455.27]

§ 455.25 - New source performance standards (NSPS).

(a) Any new source subject to this subpart which discharges process wastewater pollutants must achieve the new source performance standards specified in 40 CFR 455.20(d), and subject to 455.20(a), must meet the following standards for BOD5, TSS, COD and pH:

New Source Performance Standards

Standards

Pollutant or pollutant property Maximum for any one day** Average of daily values shall not exceed** COD9.3606.480 BOD55.3281.1520 TSS4.3921.2960 pH**

* Within the range 6.0 to 9.0

** Metric units: Kilogram pollutant /1,000 kg of total organic active ingredients.

English units: Pound pollutant/1,000 lb of total organic active ingredients

(b) For the priority pollutants, such sources must achieve discharges not exceeding the quantity (mass) determined by multiplying the process wastewater flow subject to this subpart as defined in 40 CFR 455.21(d) times the concentrations listed in table 4 or table 5 of this part, as appropriate, of this subpart.

[58 FR 50690, Sept. 28, 1993]

AUTHORITY: Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, and Pub. L. 100-4 (33 U.S.C. 1311, 1314, 1316, 1317, and 1361).

SOURCE: 43 FR 17776, Apr. 25, 1978, unless otherwise noted.

CITE AS: 40 CFR 455.25