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trigger an upgrade from level D to level C protection. Breathing <br /> sone concentr•actions in excess of 250 ppm will stop the work on- <br /> pent.ite until the work zone concentrations are reduced to below 250 <br /> EMPLOYEE TRAINING AND INFORMATION <br /> All personnel working have completed the certified Orr hour Osha <br /> hazardous waste training course, and have been trained in the <br /> following objectives: <br /> o Workers are aware of potential hazards they <br /> may encounter. <br /> o Knowledge and skills necessary to Perform the work <br /> with minimal risk to works health and safety. <br /> o Familarization with the Site Safety plan and <br /> site--specific requirements. <br /> The training plan for this site encompasses: <br /> 0 potential physical and chemical health hazards. <br /> 'r Respiratory Protection, rationale, use, maintenance <br /> and fit testing. <br /> r. Protective clothing, use and maintenance.r, Entry. exit and use <br /> Procedures. <br /> 0 1?_CUrflentat ion and record keeping cepiny proceduu•es. <br /> Table 1 <br /> F.1<i..�Jr�d_-Exprsurgi0uidel ine* <br /> Substances CAE- OSHA <br /> 1988-89 ACGIH <br /> PEL TLV <br /> - <br /> --------- -- <br /> ---- <br /> Etenzer�e <br /> �10 pprn (TWR) <br /> 25 ppm (EXC) 25 ppm (STEL) <br /> 50 ppm (Ceiling) <br /> Toluene 100 pprn (TWA) <br /> lyra ppm (TWA) <br /> 300 ppm (Ceiling) 150 pprn (STEL) <br /> Xylene 100 ppm (TWA) <br /> 100 ppm (TWA) <br /> 150 ppm (STEL) <br /> Gasoline .:300 ppm (TWA) <br /> 300 pptrt (TWA) <br /> 500 ppm (STEL) <br /> Etheldibrontide 20 ppm (TWA) <br /> . 045 ppm (TWA) <br /> 30 ppm (Ceiling) . 13 ppm (STEL) <br /> 50 ppm (5 min. max peak.) <br /> Tetraethyl Lead . 075 mg/rn3 075 mg <br /> All of the above are compounds /rn3 <br /> ?r that may be encountered during <br /> excavation. Compton sense dictates when levels are such that <br /> extra protection is necessary. <br /> -33-- I <br />