Beryllium emission limits

Beryllium emission limits. (1) Emissions to the atmosphere may not exceed 10 grams of beryllium over a 24-hour period from: (a) Extraction plants, ceramic plants, foundries, incinerators and propellant plants which process beryllium ore, beryllium, beryllium oxide, beryllium alloys or beryllium-containing waste. (b) Machine shops which process beryllium, beryllium oxides or any alloy when the alloy contains more than 5.0% beryllium by weight. (2) The burning of beryllium or beryllium-containing waste, except propellants, is prohibited except in incinerators, emissions from which must comply with sub. (1) .