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trigger an upgrade from <br />zone concentractions in <br />site until the work zone <br />PPM. <br />..I <br />level D to level C protection. Breathing <br />excess of 250 ppm will stop the work on• - <br />concentrations are reduced to below 250 <br />EMFLOYEE TRAINING -AND —INFORMATION <br />All personnel working have completed the certified 40 hour Osha <br />hazardous waste training course, and have been trained in the <br />following objectives: <br />a 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 />o Potential physical and chemical health hazard=s. <br />o Respiratory protection, rationale, use, maintenance <br />and fit testing. <br />o Protective clothing, use and maintenance. <br />a Entry, exit and decontamination procedures. <br />o Documentation and record keeping procedures. <br />Ta t) l e 1, <br />Haz�zr^d,,.Ex,�csur^e„ Guideline* <br />Substances CAL. OSHA <br />1988-89 <br />ACGIH <br />PEL <br />TLV <br />Benzene 10 ppm (TWA) <br />10 <br />ppm <br />(TWA) <br />25 ppm (EXC) <br />25 <br />ppm <br />(STEL) <br />50 ppm (Ceiling) <br />Toluene 100 ppm (TWA) <br />100 <br />ppm <br />(TWA) <br />300 ppm (Ceiling) <br />150 <br />ppm <br />(STEL) <br />Xylene 100 ppm (TWA) 100 ppm (TWA) <br />150 ppm (STEL) <br />Gasoline 300 ppm (TWA) 300 ppm (TWA) <br />500 ppm (STEL-) <br />Etheldibromide 20 ppm (TWA) .04; ppm (TWA) <br />30 ppm (Ceiling) .13 ppm (STEL.) <br />50 ppm (5 min. max peak) <br />Tetraethyl Lead .075 mg/m3 .075 mg/m3 <br />All of the above are compounds that may be encountered dur•inq <br />excavation. Common sense dictates when levels are such that <br />extra protection is necessary. <br />--3- <br />