Home Resource Center Environmental Health and Safety Beryllium-Containing Alloys Process Specific Control Summary Beryllium-Containing Alloys Process Specific Control Summary Benching (Grinding and Polishing) Copper Beryllium Alloys (PSCS 105) Computer Numerically Controlled (CNC) Lathe on Copper Beryllium Alloys (PSCS 103) Computer Numerically Controlled (CNC) Milling on Copper Beryllium Alloys (PSCS 104) Precision Stamping of Copper Beryllium Alloys (PSCS 101) Ram Electrical Discharge Machining (EDM) on Copper Beryllium Alloys (PSCS 102)