40 CFR §426.100
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.