Laserfiche WebLink
Table 1 <br /> Hazard Exposure Guidelines* <br /> ................................................... .......... ............................................................................................................................................... <br /> SUBSTANCESCAL OSHA 1988-89 ACGIH <br /> ......................................................... ......................................................................................................... ................... <br /> TLV <br /> PEL <br /> .......................................................... ............................................................................................................................................................. <br /> Benzene10 ppm (TW) 10 ppm (TWA) <br /> ................................................................................................................................ ....................................................................... <br /> 25 ppm (EXQ25 ppm (STEL) <br /> .......................................................................................................................................................................................................................... <br /> 50 ppm (Ceiling) <br /> .................................................. .............................................................................................................................................................. <br /> ....................................................................... ............................................................................................................................................. <br /> Toluene <br /> 100 ppm (TW 100 pinn (TWA) <br /> ........................................... .........................................................!9.............................................................................................. <br /> 300 ppm (Ceiling) 150 ppm (STEL) <br /> ...................................................... .......................... ................................................................................... <br /> .............................................................. ............................................................................................................................................................ <br /> Xylene <br /> .............. . 100 ppm.. A) 100 ppm VA) <br /> ............................................ ................. .. <br /> 150 ppm (STEL) <br /> ........................................................... .............................................................................................................................................................. <br /> ................................................................................................................................................ ........................................................................ <br /> Gasoline 300 ppm (MA) 300 ppm (TWA) <br /> ......................................................... ................................................................................. ......................................................................... <br /> 500 ppm (STEL) <br /> ........................................................................................................................................................................................................................... <br /> ....................................................................................................................................................................................................................... <br /> Etheldibromide <br /> 20 ppm (TWA) i .045 ppm (TWA) <br /> ........................................................ ..................................................................................... ......................................................................... <br /> 30 ppm (Ceiling) i .13 ppm (STEL) <br /> ................................................... ....................................................................................ti................................................... <br /> 50 ppm (5 min. max peak) 1 <br /> ........... .................................................................................. .................................................................. <br /> ............................. <br /> .......................................................... ............................................................................................................................................................ <br /> Tetraethyl Lead <br /> .075 mg/m3 .075 mg/m3 <br /> *All of the above are compounds that may be encountered during excavation. Common sense dictates when levels are such that extra <br /> protection is necessary. <br /> 4 <br />