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Source: https://www.epa.gov/eg/gum-and-wood-chemicals-manufacturing-effluent-guidelines

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Gum and Wood Chemicals Manufacturing Effluent Guidelines

The EPA promulgated the Gum and Wood Chemicals Manufacturing Effluent Guidelines (40 CFR Part 454Exit EPA’s website) in 1976. The regulation covers direct dischargersdirect dischargersA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans.. The Effluent Guidelines are incorporated into NPDES permits. On this page: * What is the Gum and Wood Chemicals Manufacturing Industry? * Wastestreams, Pollutants, and Subcategories * Rulemaking History * Additional Information

What is the Gum and Wood ChemicalsManufacturing Industry?

The industry manufactures a variety of products from wood scraps, stumps, gum from live trees, and byproducts from wood pulp mills. The products include char and charcoal briquets, gum rosin, wood rosin, turpentine, pine oil, tall oil rosin, pitch, fatty acids, essential oils, and rosin-based derivatives. The industry is included within North American Industry Classification System (NAICS) group 325191, Gum and Wood Chemical Manufacturing. The NAICS listing is provided as a guide and does not define the coverage of the Gum and Wood Chemicals Manufacturing category. For precise definitions of coverage, see the applicability sections in 40 CFR Part 454Exit EPA’s website.

Wastestreams, Pollutants, and Subcategories

Wastestreams

The industry's principal wastestreams, which vary by subcategory, are product washing, solvent separators, equipment washing, crude tall oil acid treatment wash, rosin reactor condensate, and non-contact cooling water.

Regulated Pollutants

Effluent limitations vary by subcategory. Subpart A has a zero discharge requirement. * BOD5 * TSS * pH

Regulation Subcategories

Rulemaking History

Additional Information

For additional information regarding the Gum and Wood Chemicals Manufacturing Effluent Guidelines, please contact Ahmar Siddiqui (siddiqui.ahmar@epa.gov) or 202-566-1044.

Effluent Guidelines

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