40 CFR 415.550 - Applicability; description of the sodium fluoride production subcategory.
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The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from the production of sodium fluoride by the anhydrous neutralization process and by the silico fluoride process.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.