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In the event of a fire or explosion, evacuate the site immediately and call the appropriate emergency phone numbers listed in Section II.A,page 2. In case of a spill,try to contain with clean dirt, if feasible, and call the local fire department or hazardous materials response(HAZMAT) unit. Phone numbers are listed in Section ILA,page 2. Have procedures for remediation system shutdown or emergency procedures been provided to site owner or manager? F-1 Yes ❑ No (Applies to sites with remediation systems in place). VIII. SAFETY STANDARD OPERATING PROCEDURES(Also See Appendix C for Site Safety Checklist) A. CHEMICAL HAZARDS: A photoionization detector(PID) or flame ionization detector(FID) will be used to measure the relative concentration of hydrocarbon vapors. Monitoring for exposure to benzene vapors may be done using activated charcoal tubes and vacuum pumps,vapor badges,or benzene colorimetric tubes in the breathing zone when working with heavily contaminated soil or water. Action limits for use of respiratory protective equipment are outlined in Section VI.B above. All respiratory protection equipment shall be NIOSH/MSHA- approved and use shall conform to OSHA 29 CFR 1910.134. A written Respiratory Protection Program detailing selection, use,cleaning, storage,medical monitoring,training and fit testing of respiratory protective equipment is maintained at the Antea Groupoffice. In addition to being inhalation hazards, hydrocarbon compounds can also be absorbed through the skin. Skin contact with liquid hydrocarbons or fuel hydrocarbon-bearing soil should be prevented. In situations where sampling would result in direct skin contact with hydrocarbon liquids,saturated soil or contaminated equipment,nitrile gloves will be worn. Drilling or digging may also liberate pockets of hydrogen sulfide(1-12S). While the characteristic"rotten egg"odor of H2S is detectable at levels as low as 0.0005 ppm, prolonged detection is unreliable due to its olfactory fatigue properties. In open air on a typical remediation site, risk from exposure to H2S is minimal. However, should H2S be encountered, workers shall be instructed to stop drilling/digging and move to an upwind location until the vapors have dissipated, as measured by H2S colorimetric detector tubes or other direct-reading instruments. The bore hole or excavation will be immediately backfilled. A combination explosimeter/oxygen (02) meter will be available on-site to monitor the levels of flammable gases, such as petroleum vapors and methane. An explosimeter should also be used by a subcontractor to verify that the atmosphere inside an underground storage tank has been inerter prior to allowing the tank to be removed. B. PHYSICAL HAZARDS: 1. Mechanical hazards: cuts,abrasions,contusions;slips,trips,falls; being struck or entrapped by moving parts of heavy equipment or falling objects. Such hazards will be minimized by keeping the work area free of equipment and debris that could cause slips, trips or falls and maintaining a safe distance from heavy equipment and moving machinery parts. 2. Electrical hazards: Possible excavation of unanticipated electrical cables and potential contact by heavy equipment with overhead power lines during drilling and excavation. Maintain at least 20 feet clearance from overhead power lines. If unavoidably close to overhead or buried power lines, turn power off and lock out circuit breaker. All equipment will be properly locked/tagged out when required by the Energy Lockout/ragout Program and Safe Electrical Work Policy and Procedure for Antea GroupProject Work. Avoid standing in water when operating electrical equipment. 3. Traffic hazards: Railroad site work frequently necessitates working in parking lots, streets or other areas with vehicular traffic in addition to working in close proximity to railroad tracks. In such instances,the work team will be wearing neon traffic safety vests and will use a combination of traffic cones (each cone\flag configuration must be a minimum of 42-inches in height) and barricades as necessary to prevent contact between workers, pedestrians and motor vehicles. Please refer to the PM approved Site Specific Traffic Plan (sketch) attached in front of the Hospital Route Plan in the back of this SHSP. When working around near or on railroad tracks make sure that the UPRR safety procedures are followed(See Section M). 4. Open excavations: When scheduling or work conditions necessitate leaving excavations open overnight, security fencing will be erected to restrict access to the site or work zones described in Section II.G,page 3. 11