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Stockton Plating, Inc. J Consultant: R. DaRosa <br /> Casefile: 910275 Sample Date: 12/09/92 <br /> Appendix A Page 3 of 6 <br /> Air Monitoring - Grinding Department <br /> Name/Title/Notes, <br /> Chemical Analysis Sample Time Results PEL <br /> Robert Corcker, Grinder <br /> (minutes) (mg/m ) (mg/m ) <br /> -chromium 236 0. 019 <br /> 154 0. 029 <br /> TWA------0. 023 0.5 <br /> -nickel 236 1. 089 <br /> 154 1. 517 <br /> TWA------1. 258 1. 0 <br /> -copper 236 0. 065 <br /> 154 0. 031 <br /> TWA------0. 052 1. 0 <br /> -Total Weight 236 4 . 110 <br /> 154 11. 530 <br /> TWA------7 . 040 10. 0 <br /> -aluminum 236 0. 232 <br /> 154 0 . 088 <br /> TWA------0. 175 10. 0 <br /> -iron 236 1. 555 <br /> 154 2 . 367 <br /> TWA------1.878 5. 0 <br /> -lead 236 <0. 003 <br /> 154 0. 013 <br /> TWA------0. 005 0. 05 <br /> -zinc 236 0. 015 <br /> 154 1. 466 <br /> TWA------0. 588 10. 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 />