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L <br />v <br />SAMPLING PROTOCOL• _ ROUTINE PIPING/DISPENSER REMOVAUREPLACEMENT <br />The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br />representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 feet. If <br />contamination is documented during closure, an Unauthorized Release Notification must be completed and submitted within five (5) <br />working days pursuant to California Health & Safety Code, Section 25295. <br />Tri -Regional Recommendations <br />Appendix A <br />TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br />FOR UNDERGROUND STORAGE TANK INVESTIGATIONS <br />Samples <br />Required <br />DISPENSER SAMPLES <br />1 Sample beneath each dispenser <br />Diesel <br />by <br />8015M <br />PIPING SOIL SAMPLES <br />1 Sample every 20 lineal feet <br />VOCs <br />by <br />8 (2) C <br />DISPENSER & PIPING STOCKPILE SAMPLES2 <br />Samples every 50 cubic yards <br />Tri -Regional Recommendations <br />Appendix A <br />TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br />FOR UNDERGROUND STORAGE TANK INVESTIGATIONS <br />Samples <br />Required <br />TankSemi- <br />Contents <br />(Carbon <br />a <br />Range) ) <br />Gasoline <br />by 8015M <br />or 82606 <br />Diesel <br />by <br />8015M <br />BTEX <br />by <br />8021 B <br />or <br />82606 <br />VOCs <br />by <br />82608 <br />(1) <br />VOCs <br />by <br />8 (2) C <br />Oil & <br />grease <br />b 1664A <br />PCBs <br />by <br />8082 <br />Total <br />lead by <br />7421 <br />Title <br />22 <br />Metals <br />(3) <br />Unknown Fuel�X <br />C4 -C36 <br />'�� <br />+fv����� <br />X�X����� <br />� <br />sk�w"C���.0 <br />_ '�� .✓ <br />� _�i <br />KS a,_ �. <br />%ro„.���w.ur r.4. <br />.,��� ..�vi& <br />Gasoline (C4 C20) <br />C X <br />X <br />��..�';i..:h,.a+ <br />ti° <br />£( <br />MMM <br />2�ek,^._..a <br />C 3- <br />N <br />�n <br />.\-. <br />,�i,z�.dY. <br />✓” <br />Diesel (C10 -C36) <br />��®® <br />X <br />Jet Fuel/Kerosene r0) <br />X <br />X <br />(C9-C20) <br />Heating Oil (C10 <br />C32 <br />W <br />X <br />Stoddard Solvent <br />(C8 -C20) <br />Non Chlorinated <br />AiYs"L_f-.?e'i',t <br />�❑ <br />X <br />Chlorinated <br />X <br />X <br />Solvents <br />L.e. <br />Waste Oil or <br />X <br />X <br />X <br />X X <br />X <br />X <br />Unknown Contents <br />Notes: <br />1. EPA Method 8260B analyses must include all analytes listed in the method plus fuel oxygenates methyl -tertiary -butyl ether <br />(MTBE), diisopropyl ether (DIPE), ethyl -tertiary -butyl ether (EtBE), tertiary -amyl -methyl ether (TAME), tertiary -butanol (TBA), <br />methanol and ethanol and fuel additives 1,2-dichloroethane (1,2 -DCA) and ethylene dibromide (EDB or 1,2-dibromoethane). <br />2. If pentachlorophenol (PCP) is identified, analyze the soil and/or water sample for dioxins and furans by EPA Method 8290 <br />and pesticides by EPA Method 8081A. <br />3. Method 6010B may be used for all the following metals, for which individual AA methods are required: Antimony & Arsenic <br />by 7062, Cadmium by 7131A, Lead by 7421, Mercury by 7471A, Nickel by 7521, Selenium by 7742, and Thallium by 7841. <br />4. Non-proprietary, performance based analytical methods may be used with approval of Regional Board staff. <br />Revised 8/8/06 <br />3 <br />