40 CFR § 426.100 - Applicability; description of the glass tubing (Danner) manufacturing subcategory.
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§ 426.100 Applicability; description of the glass tubing (Danner) manufacturing subcategory.
The provisions of this subpart are applicable to discharges resulting from the process by which raw materials are melted in a furnace and glass tubing mechanically drawn from the furnace horizontally by means of the Danner process, which requires the intermittent quenching of cullet.