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Stockton Plating, Inc. Consultant: R. DaRosa <br /> Casefile: 910275 Sample Date: 12/09/92 <br /> Appendix A Page 5 of 6 <br /> Air Monitoring - Polishing and Buffing (cont) <br /> Name/Title/Notes, <br /> Chemical Analysis Sample Time Results PEL <br /> (minutes) (Mg/M3) (mg/ ) <br /> Ron Breitmayer, Polisher m <br /> Calif. Room <br /> -Total dust 220 0. 82 <br /> (plus metal analysis) 139 2 . 78 <br /> TWA----- 1. 58 10. 0 <br /> -lead 220 <0. 003 <br /> 139 <0. 005 <br /> TWA-----<0. 004 0. 05 <br /> -chromium 220 <0. 001 <br /> 139 <0. 001 <br /> TWA-----<0. 001 0. 5 <br /> -nickel 220 0. 002 <br /> 139 0. 013 <br /> TWA------0. 006 1. 0 <br /> -copper 220 0. 003 <br /> 139 0. 018 <br /> TWA------0. 009 1. 0 <br /> -iron 220 0. 034 <br /> 139 0. 181 <br /> TWA------0. 091 1. 0 <br /> This record of employee exposure(s) must be preserved and accessible in <br /> accordance with Calif Code of Regulations, Title 8 (T8CCR) Section 3204 . <br />