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a <br /> Case Number 910275 Consultant: Richard DaRosa <br /> Appendix A Sample Date: 03/19/91 <br /> Page 9 of 14 <br /> Table 6 - continued <br /> Name/Title/Notes/Chemical Sample Time Sample Results PEL <br /> Don Dacy, Buffer <br /> - total d-u—st-11 219 minutes 114 . 87 mg/m3 <br /> (plumsmetal analysis) 147 minutes m.�/m3 <br /> time-weighted average /�26 /m3 10. 0 mg/m3 <br /> - lead 219 minutes 0. 022 mg/m3 <br /> 147 minutes 0 . 005 mg/m3 <br /> time-weighted average 0. 015 mg/m3 ! ! 0. 05 mg/m3 <br /> - fiickel 219 minutes 6. 620 mg/m3 . <br /> 147 minutes 1,ZO mg/m3 <br /> time-weighted average I' 64 mg/m3 ** 1. 0 mg/m3 <br /> chromium 219 minutes 0. 005 mg/m3 <br /> 147 minutes 0. 002 mg/m3 <br /> time-weighted average 0. 004 mg/m3 0. 5 mg/m3 <br /> copper 219 minutes 0. 633 mg/m3 <br /> 147 minutes 0. 370 mg/m3 <br /> time-weighted average 0. 527 mg/m3 ## 1. 0 mg/m3 <br /> Vincent Paras, Polisher/Buffer <br /> - total dust 217 minutes 38 . 02 mg/m3 <br /> (plus metal analysis) 149 minutes 9 . 04 mg/m3 <br /> time-weighted average �g/m3 10. 0 mg/m3 <br /> - lead 217 minutes 0. 014 mg/m3 <br /> 149 minutes 0. 005 mg/m3 <br /> time-weighted average 0. 010 mg/m3 0. 05 mg/m3 <br /> nickel 217 minutes 4 . 230 mg/m3 <br /> 149 minutes 1._680 mg/m3 <br /> time-weighted averageCEmg/m3 1. 0 mg/m3 <br /> 19 <br /> - chromium 217 minutes 0. 001 mg/m3 <br /> 149 minutes 0. 002 mg/m3 <br /> time-weighted average 0. 0014 mg/m3 0. 5 mg/m3 <br /> - copper 217 minutes 1. 050 mg/m3 <br /> 149 minutes 0. 211 mg/m3 <br /> time-weighted average 0:708, mg/m3 ## 1 . 0 mg/m3 <br />