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Ground Zero Analysis, Inc. <br />SITE SAFETY PLAN <br />Potential physical hazards include noise and physical proximity to drilling equipment, potential <br />methane gas, potential buried debris, fugitive dust emissions. A slight fire and explosion hazard <br />exists due to the potential presence of methane gas. <br />® Underground/Overhead Utilities (show location of utilities on site map) <br />✓ How were underground utilities identified? Underground Service Alert will be called at least <br />48 hours prior to arriving on site. <br />EXPOSURE MONITORING <br />Soil cuttings and breathing zone should be monitored for volatile organics using a photo ionization <br />detector (PID) when odors are detected. In addition, a Matheson Multi -gas Leak Detector Model No. <br />8067 IS will be utilized to monitor for the presence of methane gas in the boreholes. Intervals and <br />readings should be recorded in field notes. All sampling instruments will be calibrated per the <br />manufacturer instructions on a daily basis. <br />PERSONAL PROTECTIVE EQUIPMENT <br />As a minimum, Level D protection is required on all GZA worksites. Level D includes: <br />✓ Steel toed boots <br />✓ Safety Glasses <br />✓ Hard Hat <br />For each task on this project, identify additional protective garments as required and include the <br />conditions under which the level of PPE would be modified for each task. <br />Task(s) <br />Condition <br />Personnel <br />Garment(s) <br />All <br />Working Near Vehicle <br />Orange Vests <br />All <br />>20 ppm on PID for 5 <br />minutes <br />1/2 Face Respirator <br />All <br />> 200 ppm on PID for 5 <br />minutes <br />Evacuate Site <br />Full Face Respirator <br />All <br />> 1,000 ppm on Matheson <br />Multi -Gas Leak Detector <br />Evacuate Site <br />PAGE 4 <br />