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JAMES J. HOBIATZELL S ASSOCIATES <br /> ENVIRONMENTAL CONSULTANTS <br /> GENERAL ENGINEERINc A LICENSE#365234 HAz <br /> REGISTERED ENVIRONMENTAL ASSESSOR, REA-03121 <br /> GUIDELINES FOR UNDERGROUND TANK REMOVAL, <br /> It is the intent of these guidelines to add continuity to the procedures for underground tank <br /> removal. Be sure you have compfeted the necessary paperwork with the County <br /> Environmental Health Department prior co applying for City of - <br /> note that a minim um of 48 hours advance notice is req iu red. keeping in mind that the more <br /> advance notice given the more likely your inspection will be scheduled on the date of your <br /> choice. <br /> t. A written safety plan is,required that meets Cal-Osha requirements. <br /> 2. Post signs prohibiting any ignition source: <br /> a) Example: "No Srpoking," "No hutting and welding; etc <br /> 3. Provide a minimum rated`20BC or larger fire extinguisher at tank site. <br /> 4. You must have a calibrated, explosion-proof combustible gas meter on site. <br /> a) LEL anal Oxygen must both be below 9% prior to removal; or <br /> b) Oxygen only, 5%Pp the oxygen for gasoline and diesel tanks; or <br /> C) LEL only, 1% on gasoline and diesel. <br /> d) Extra filters and equipment to calibrate instruments must be on site. <br /> e) Make and model-number of instrument must be available to inspector. <br /> B Appropriate measures are required to assure the LEL percentage is maintained <br /> during and after exSavation. <br /> 1) Monitor t*ks once per hour for LEL and Oxygen after removal from <br /> ground wtie on site. <br /> TEL.(209)943-7793 • FAx(209)943-2811 'MOBILE(209)608-2345• P.O.Box 30331 STocKrON,CA 95213-0331 <br />