eCFR Reference Browser

---

title: "40 CFR §425.46"

source: "https://www.ecfr.gov/current/title-40/section-425.46"

title_number: "40"

volume_number: "32"

chapter_number: "Unknown"

subchapter_code: "N"

subchapter_subject: "EFFLUENT GUIDELINES AND STANDARDS (CONTINUED)"

part_code: "425"

part_subject: "LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY"

subpart_code: "D"

subpart_subject: "Retan-Wet Finish-Sides Subcategory"

section_number: "425.46"

section_subject: "Pretreatment standards for new sources (PSNS)."

cfr_reference: "40 CFR 425.46"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Parts 425 to 699"

revised_date: "Revised as of July 1, 2018"

publication_date: "As of July 1, 2018"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

Except as provided in 40 CFR 403.7, 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, and achieve the pretreatment standards contained in § 425.45.

§425.46 - Pretreatment standards for new sources (PSNS).