40 C.F.R. § 466.23

Current through September 30, 2024

Section 466.23 - New source performance standards

Any new source subject to this subpart must achieve the following new source performance standards.

(a) There shall be no discharge of process wastewater pollutants from metal preparation operations.

(b) The discharge of process wastewater pollutants from all porcelain enameling coating operations shall not exceed the values set forth below:

Subpart B-NSPS

Pollutant or pollutant property	Maximum for any 1 day		Maximum for monthly average
	Mg/m2 (pounds per million ft2) of area coated
Chromium	0.47	(0.10)	0.19	(0.04)
Lead	0.13	(0.03)	0.11	(0.02)
Nickel	0.69	(0.14)	0.47	(0.10)
Zinc	1.29	(0.27)	0.53	(0.11)
Aluminum	3.82	(0.78)	1.56	(0.32)
Iron	1.55	(0.32)	0.79	(0.16)
Oil and grease	12.60	(2.58)	12.60	(2.58)
TSS	18.91	(3.87)	15.12	(3.10)
pH	(1)	(1)	(1)	(1)

¹ Within the range 7.5 to 10.0 at all times.

40 C.F.R. §466.23

47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36544, Sept. 6, 1985