40 CFR § 436.130 - Applicability; description of the borax subcategory.

---
identifier: "/us/cfr/t40/s436.130"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 436.130 - Applicability; description of the borax subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "436.130"
section_name: "Applicability; description of the borax subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "436"
part_name: "MINERAL MINING AND PROCESSING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 301, 304 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251, 1311, 1314 (b) and (c), 86 Stat. 816  Pub. L. 92-500) (the Act)."
regulatory_source: "40 FR 48657, Oct. 16, 1975, unless otherwise noted."
cfr_part: "436"
---


# 436.130 Applicability; description of the borax subcategory.

The provisions of this subpart are applicable to the processing of borate minerals. Borax obtained from brine lakes is regulated in the salines from brine lakes subcategory (subpart L of this part).