Subject to Env-A 2404.03, below, for any non-ferrous foundry, smelter, or investment casting source installed prior to or on February 18, 1972, the owner or operator shall not cause or allow the emission of particulate matter, including fumes, to exceed the emission standards specified for “Existing Devices” in Table 2102-1.

Source. #6428-B, eff 1-18-97 (formerly Env-A 1206); ss by #8214, eff 11-24-04; ss by #10315, eff 4-23-13 (from Env-A 2405.01); ss by #13694, eff 7-22-23