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All site safety records pertaining to the site characterization study will be maintained by the Safety Coordinator/Project Manager throughout the project. AIR MONITORING The Safety Coordinator/Project Manager will conduct periodic air monitoring using direct reading sampling equipment as required. At a minimum the following monitoring will be performed: Total Organic Vapors A direct reading photoionization detection (PID) meter (HNU PI 101 or equivalent) will be used to monitor the concentrations of organic vapors in the work area. Measurements will be taken at least once every 15 minutes during surface and subsurface sample collection. The meter will be calibrated for benzene. Total organic vapor measurements will be used to determine the appropriate levels of respiratory protection and conditions for site evacuations. Total organic vapor concentrations in the workers' breathing zone in excess of 10 ppm above background will trigger an upgrade from level D to level C protection. Breathing zone concentrations in excess of 250 ppm will stop the work on-site until the work zone concentrations are reduced to below 250 ppm. EMPLOYEE TRAINING AND INFORMATION All personnel working have completed the certified, 40-hour OSHA hazardous waste training course, and have been trained in the following objectives: • Workers are aware of potential hazards they may encounter. • Knowledge and skills necessary to perform the work with minimal risk to workers' health and safety. • Familiarization with the Site Safety Plan and site-specific requirements. The training plan for this site encompasses: • Potential physical and chemical health hazards. • Respiratory protection, rationale, use, maintenance and fit testing. • Protective clothing, use and maintenance. • Entry, exit and decontamination procedures. • Documentation and record keeping procedures. 3