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Table 1 <br /> 1 Hazard E-mosure Guidelines* <br /> SLBST3� CES CAL X 1988-89 ACGIH <br /> V <br /> Benzene 10 ppm 7%) 10 Pam <br /> 25 ppm (F-XQ 23 porn (S= <br /> 50.PRM-(CL-ILnR)-- <br /> Toluene <br /> 100 ppm 7WA) 100 ppm CrW-A.) <br /> 300 pprn (Ceiling 130 ppm (STEL) <br /> XvIene <br /> 100 pprn (TWA) 100 ppm <br /> 150 porn (S=) <br /> Gasoline <br /> 300 pprn (TWA) 300 ppra (TWA) <br /> 300 ppm (S=) <br /> Etheldibromide <br /> 20 pprn (TWA) <br /> 1 .045 pqrn (TWA) <br /> 1 30 ppm (Ceiling .13 pom (STEL) <br /> 50 ppm (5 min. ma:c peak) <br /> Terraethvi Lead .07 5 mz/rr.-' .075 <br /> -.-ILU of the above are compounds daac may be eacotmccred during excavacion. C==u seise dictates when tevcs are such chat c.= <br /> proEec-don is neccessam <br />