subchapter_subject: "EFFLUENT GUIDELINES AND STANDARDS"
part_code: "406"
part_subject: "GRAIN MILLS POINT SOURCE CATEGORY"
subpart_code: "B"
subpart_subject: "Corn Dry Milling Subcategory"
section_number: "406.20"
section_subject: "Applicability; description of the corn dry milling subcategory."
cfr_reference: "40 CFR 406.20"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Parts 400 to 424"
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"
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(a)The provisions of this subpart are applicable to discharges resulting from the process in which shelled corn is washed and subsequently milled by dry processes into such products as corn meal, grits, flour, oil, and animal feed.
(b)The provisions of this subpart do not apply to discharges from subsequent manufacturing operations to produce expanded or extruded feed or feed products.