40 CFR 429.90 - Applicability; description of the wood preserving
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This subpart applies to discharges to waters of the United States and to the introduction of process wastewater pollutants into a publicly owned treatment works from wood preserving operations which use the Boulton process as the predominant method of conditioning stock.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.