Laserfiche WebLink
u <br /> Table 1 <br /> Hazard E ctzosure Guidelines* <br /> StiBSTANCES CAL OSHA 1988-89 ACGIH <br /> PEL TLV <br /> Benzene ---- _.-�- 10 2Pm (TW) ----.!.-_.. 10 PPM .�-�.....--_.._..... <br /> 25 ppm XC�-----.._.__.-_-5 <br /> —_-. -- 50 ppm (Ceiline <br /> Toluene- - ---'. 1.00 PPM �..—...-. ._.___ 100 Ppm.fa�...._.......-- <br /> —..--- 300_ppm Ceilin Y_-_ 130 Pm. EL[-- - <br /> Yvlene 100 ppm ZZ- --- 100 ppm (TW� <br /> 1._�.P.'Ln'SSTEL)....._. ......... <br /> Gasoline--- ----- 300 PPn?(TWAZ_...._-_.. ..— 300 pp <br /> STEL-_...__._. <br /> Etheldibromide 20 PP..m�1wN.....---._.___!......---_0`5.P_P..t_°-ga�.....-- <br /> ....................................... —. _ ._._._.-.. 30 PP_�Ceil'. _-. _ 13 ppm-(STELI...._.......... <br /> 30 m (5 min. mxc peal,) <br /> .........._............_......-....-------- ——..._�P._�_.—.... ..... ......-._.).-- ..__------—..........---...--............._..................... <br /> Tetraethvl Lead <br /> .075 mz/m3 .075 mg/m3 <br /> All 4 the above are compounds that may be encountered duuug excavation. Couunon sense dictates When leveis are sucb chat extra <br /> pWtrcuou is ueceSS3n'. <br />