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Electronic Code of Federal Regulations

e-CFR data is current as of December 11, 2019

Title 40Chapter ISubchapter NPart 417Subpart P → §417.166


Title 40: Protection of Environment
PART 417—SOAP AND DETERGENT MANUFACTURING POINT SOURCE CATEGORY
Subpart P—Manufacture of Liquid Detergents Subcategory


§417.166   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, 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 source subject to the provisions of this subpart.

(a) There shall be no discharge of waste water streams in which both the COD/BOD7 ratio exceeds 10.0 and the COD exceeds 1.10 kg/kkg of anhydrous product.

(b) For waste streams having either a ratio of COD to BOD7 of 10.0 or less or having a COD content of 1.10 kg/kkg of anhydrous product or less the pretreatment standard shall be:

(1) For normal liquid detergent operations the following values pertain:

Pollutant or pollutant propertyPretreatment standard
BOD5No limitation.
COD      Do.
TSS      Do.
Surfactants      Do.
Oil and grease      Do.
pH      Do.

(2) For fast turnaround operation of automated fill lines, the following values pertain; the maximum for any one day when the number of turnarounds exceeds eight in any thirty consecutive day period shall be the sum of the appropriate value below and that from paragraph (b)(1) of this section; and the average of daily values for thirty consecutive days shall be the value shown below multiplied by the number of turnarounds in excess of eight and prorated to thirty days plus the appropriate value from paragraph (b)(1) of this section:

Pollutant or pollutant propertyPretreatment standard
BOD5No limitation.
COD      Do.
TSS      Do.
Surfactants      Do.
Oil and grease      Do.
pH      Do.

[40 FR 27455, June 30, 1975, as amended at 60 FR 33955, June 29, 1995]

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