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Case Number 910275 Consultant: Richard DaRosa <br /> Appendix A Sample Date: 03/19/91 <br /> Page 4 of 14 <br /> Table 3 <br /> Rubber (Urethane) Bumper Repair <br /> Name/Title/Notes/Chemical Sample Time Sample Results PEL <br /> Total Dust <br /> - Larry Giacovoni 179 minutes 3 .78 mg/m3 10 mg/m3 <br /> - Anthony Covarruvias 179 minutes 3 . 82 mg/m3 10 mg/m3 <br /> Solvent Analysis <br /> John Burke, Urethane Repair 414 minutes <br /> - petroleum distillates 1. 5 ppm 400 ppm <br /> - acetone 3 . 6 ppm 750 ppm <br /> - methyl chloroform < 1. 0 ppm 350 ppm <br /> - 2-butanone < 1. 0 ppm 200 ppm <br /> - ethyl alcohol < 1. 0 ppm 1000 ppm <br /> - hexone 1. 0 ppm 50 ppm <br /> isobutyl acetate < 1. 0 ppm 150 ppm <br /> - toluene 1. 0 ppm 100 ppm <br /> - n-butyl acetate < 1. 0 ppm 150 ppm <br /> - xylene < 1. 0 ppm 100 ppm <br /> - butyl cellosolve < 1. 0 ppm 25 ppm <br /> - naphtha < 1. 0 ppm 100 ppm <br /> - isopropyl alcohol < 1 . 0 ppm 400 ppm <br /> - propylene glycol monomethyl ether 1. 0 ppm 100 ppm <br /> Rich Rooistra, Urethane Repair 387 minutes <br /> - petroleum distillates 2 . 2 ppm 400 ppm <br /> - acetone 5 . 3 ppm 750 ppm <br /> - methyl chloroform < 1. 0 ppm 350 ppm <br /> - 2-butanone 1. 0 ppm 200 ppm <br /> - ethyl alcohol < 1. 0 ppm 1000 ppm <br /> - hexone 1. 0 ppm 50 ppm <br /> - isobutyl acetate < 1. 0 ppm 150 ppm <br /> - toluene 1. 6 ppm 100 ppm <br /> - n-butyl acetate < 1. 0 ppm 150 ppm <br /> - xylene < 1. 0 ppm 100 ppm <br /> - butyl cellosolve < 1. 0 ppm 25 ppm <br /> - naphtha < 1. 0 ppm 100 ppm <br /> - isopropyl alcohol < 1. 0 ppm 400 ppm <br /> propylene glycol monomethyl ether 1. 0 ppm 100 ppm <br />