40 C.F.R. § 428.106

Current through October 31, 2024

Section 428.106 - Pretreatment standards for new sources

Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403, in addition to the limitations set forth in paragraphs (a) and (b) of this section.

(a) The following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged to a publicly owned treatment works by a new point source subject to the provisions of this subpart:

Pollutant or pollutant property	Pretreatment standard
pH	No limitation.
BOD5	Do.
TSS	Do.
Oil and grease	100 mg/l daily maximum.

(b) The following pretreatment standard establishes the quantity or quality of pollutant properties controlled by this section and attributable to plants employing the chromic acid form-cleaning operation, which may be discharged to a publicly owned treatment works by a new point source subject to the provisions of this subpart, in addition to the limitations set forth by § 428.106(a) :

Pollutant or pollutant property	Pretreatment standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days shall not exceed-
	Metric units (kg/kkg of raw material)
Chromium	0.0086	0.0036
	English units (lb/1,000 lb of raw material)
Chromium	0.0086	0.0036

40 C.F.R. §428.106

40 FR 2344, Jan. 10, 1975, as amended at 60 FR 33964, June 29, 1995