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MM0$ r MOR <br /> r. '00 <br /> A) C2Mb!stibia Gase3 am ',porn, <br /> Potentially explosive concentrations of gases and vapors <br /> will be monitored at least once ever <br /> 6 sam Yin activities using a combustible 15 minutes during <br /> P m g gas meter. If at <br /> any time the concentration exceeds 20% of the <br /> explosive limit lower <br /> (LEL}, activities will stop and the area <br /> Will be evacuated until gas levels have been reduced to less <br /> than 20% of the LEL and the source of combustible <br /> vapors has been determined. gases or <br /> i <br /> # B) TQt11lor,anir_ ygc � <br /> - <br /> k <br /> A direct reading photoionization detection (PID) meter < <br /> PI 101 or equivalent) will be used to monitor (HNU the <br /> concentrations of organic vapors in the work area. <br /> 7: <br /> Measurements will be taken at leaet once every JS minteb <br /> during surface and subsurface sample collection. The meter <br /> Will be calibrated for benzene. Total organic vapor <br /> measurements will be used to determine the appropriate <br /> �r levels of respiratory protection and conditions for sit rt <br /> evacuation. Total organic vapor concentrations in the <br /> workers breathing zone in excess of 10. ppm above background <br /> W <br /> ill trigger an upgrade from level D to level c <br /> Breathing zone concentrations in excess of 250 pPrwiclrstop <br /> the work on-site until the work zone concentrations are <br /> l:v reduced to below 250 ppm. <br /> f4 EMPLOYEE TRAII:ING AND INFORMATION <br /> r Prior <br /> to site activity, WaterWork will conduct training for all <br /> site personnel without a previous documented hazardous waste <br /> training. couLse. The training will have the following <br /> objectives: <br /> ' O Ensure that workers are aware of <br /> they may encounter. potential hazards <br /> f ; o Provide the knowledge and skills necessary to <br /> perform the work with minimal risk to workers <br /> j„ health and safety. <br /> to r. <br /> Familiazization with the Site Safety plan and <br /> } <br /> site-specific requirements. <br /> I ; <br /> E3 <br />