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Recommended Practices for the Testing and Verification of Spill, Overfill, Leak Detection and Secondary Containment Equipment at UST Facilities • Do not clean hands with motor fuels . Wear appropriate 3. SAFETY chemical-resistant gloves when performing activities that may result in contact with motor fuel. Remove --- ----- - fuel-soaked clothing as soon as possible. Wash the WARNING : Failure to comply with the fol- area thoroughly with soap and clean water. Launder lowing warnings could result in property contaminated clothing before reuse . damage , injury or death . If motor fuel comes into contact with eye tissue, flush • Motor fuel can be harmful or fatal If immediately with large amounts of water for at least swallowed . 15 minutes and seek medical attention . • Avoid breathing vapors by ventilating Take appropriate precautions to minimize inhalation of work areas . fuel vapors . Make sure that the work area is well ven- • Keep fuel away from skin and eyes by tilated before beginning any activities that may release wearing appropriate personal protee- fuel vapors . Inhalation may cause personal injury or tive equipment ( PPE) . death. • The ingestion of petroleum fuels may cause 3 . 1 General . This chapter is intended to provide an unconsciousness and/or burns to internal organs . If overview of some of the safety issues that should be motor fuels are swallowed , do not induce vomiting. considered when spill , overfill, leak detection, secondary Seek medical attention immediately. containment equipment and shear valves are inspected 3 .3 Electrical Hazards. Wiring for alarms and liquid or tested. This chapter is not intended to provide safety level sensors should conform to applicable electrical code training for personnel involved in the inspection or test- requirements and the specifications of the equipment ing of this equipment, nor for personnel engaged in fuel manufacturer. Improperly wired, worn or unprotected transfer activities. electrical equipment can create fire, explosion or electri- The test methods and procedures in this recommended cal shock hazards . practice involve working with liquids in underground Any activity or procedure requiring access to electrical storage tanks (IJSTs) . Inspecting, testing and working equipment, wire or electronic components requires around equipment that stores and handles these liquids complete electrical shutoff of all circuits within that involves situations in which flammable liquids and p vapors can be present. component by qualified personnel. Use the appropriate circuit breaker or switch at the facility power panel Only properly trained individuals should inspect or test to disconnect power to individual devices . Qualified overfill, leak detection and release prevention equipment. persons must understand and comply with lockout/tagout These individuals are responsible for their own safety, requirements to ensure safety while servicing equipment, and should take reasonableprecautions to ensure the Refer to applicable procedures , codes and regulations safety of facility employees , customers and any other (e.g. , OSHA Standard 29 CFR 1919 . 147) for further personnel in the work area. Refer to Appendix D for description of lockout/tagout requirements , related safety publications . 3 . 4 Fire and Explosion Hazards . Gasoline and gaso- 3.2 Chemical Hazards . Petroleum products are corn- line/ethanol blends are examples of liquids that generate plex mixtures of chemicals, many of which are toxic . large quantities of vapors that are easily ignited. Be espe- Before working with dispensers and tank components, cially careful when gasoline or gasoline/ethanol blends workers should read and understand the relevant material are present in an open container, spilled on the ground, or Safety Data Sheets (SDSs) for the products being stored , when working in or around enclosed spaces where gaso- and receive appropriate fuel handling safety and first-aid line or gasoline/ethanol blend vapors may be present. training. Appropriate PPE should be worn to minimize When working on a dispenser, open both sides of the risk of exposure, the cabinet to allow any vapors inside to dissipate The following are some basic guidelines regarding liq- before proceeding with interior inspection , maintenance uids stored in USTs . Refer to the appropriate SDS for or testing . Similar precautions should be taken when further information. Employers should maintain in the working in confined spaces , such as containment sumps . workplace copies of the required SDSs for each hazard- ous chemical that may be used. pei . org 0