Laserfiche WebLink
Table I <br /> Hazard Exposure Guidelines* <br /> ........................................... ............ ...................... ......-...... .............................. .................................. <br /> "SUBSTANCES CAL OSHA 1988-89 ACGIR ........... <br /> --------------------------- .................................. ........................................ ........... ......................................... <br /> PELTLV <br /> .................... ....................--:............................ ..............................................--...................... <br /> 10m (TW) 10 ppm (TWA) <br /> Benzene <br /> ................................................. ..............................pp...........1-1................ .........................................I--................................. <br /> 25 ppm (EXQ 25 ppm (STEL) <br /> .......... <br /> ................................. .................................................................--.................................... ..............................--.......................... <br /> 50 ppm (Ceiling) ............................ <br /> .............I....................................................................... <br /> .............. ..................................... .............. <br /> ...................................... <br /> ........................................................... ............. ........................................... ............................................. <br /> 100 ppm (TWA) 100 ppm (TWA) <br /> Toluene <br /> ............----........................................... <br /> ...........I--........................................ .................................. ...........I......................... <br /> 300 ppm (Ceiling) 1,50 ppm (STEL) <br /> ........... .................................... ..................................................--............. ............................-..........................I............... <br /> .............11-................................... .................................................................... .................. ...........................I.................. <br /> Xylene100 ppm (TWA) 100 ppm (TWA) <br /> .......... .............-.............. ..... .............................................. ..................... ............ ppm.......................................... <br /> 150 ppm (STEL) <br /> ............ ......................................... ..................................................... ............... ...........................-.......................................... <br /> ....................... <br /> ................. ........................ ........................................................................ ........................I.............. <br /> Gasoline300 ppm (TWA) 300 pprn (TWA)............. <br /> ........ <br /> .............. ...............-...................... .............1,............... ...................................... <br /> 500 ppm (STEL) <br /> ........... <br /> .................. ................ ............ ..................................... .....................................................................-............................. <br /> .................. .............................................. ................. ................ ........... <br /> ............................................ <br /> .045 ppm (TWA) <br /> Etheldibromide 20 ppm (TWA) <br /> ................I.......................................... ........................;..........;............................................................................................................. <br /> 30 ppm (Ceiling) <br /> .13 ppm (STEL) <br /> ............................................ ............................. <br /> ............................................ .......................-..................I................... <br /> 50 ppin (5 min• max peak)Y ............. <br /> ..................... .................. ........................................................... ------- ........ <br /> .......................... <br /> ................... ..................................... ............................................................. ................... .................................. <br /> Tetraethyl Lead .075 mg/m3 .075 mg/m3 <br /> L <br /> *All 0j,the above are compounds that may be encountered during excavation. Common sense dictates when levels are such that extra <br /> prolection iq necessary. <br />