Laserfiche WebLink
SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVAL/REPLACEMENT <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 /> DISPENSER PIPING AND STOCKPILE SAMPLES <br /> DISPENSER SAMPLES 1 Sample beneath each dispenser <br /> PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> DISPENSER& PIPING STOCKPILE SAMPLES 2 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 /> Tanksemi- <br /> BTEX VOCs Title <br /> Gasoline Diesel by by VOCs Oil& PCBs Total 22 <br /> Required Metals <br /> 80216 82606 <br /> Samples Contents by 8015M by by Grease by Lead by <br /> (Carbon g or 82806 8015M or (1) 8270C by 1664A 8082 7421 (3) <br /> Range)� 82606 <br /> Unknown Fuel X <br /> C4-C36 <br /> Gasoline(C4-C20) X X F X 11 <br /> 0 <br /> Diesel(C10-C36) �X X X <br /> Jet Fuel/Kerosene <br /> C9-C20) F X IF <br /> Heating COil(CIO- <br /> C32) <br /> C10- X <br /> Stoddard <br /> n(CCh o2riin)ated �❑ X <br /> No <br /> I I J <br /> Chlorinated <br /> SolventsLEI�OO� <br /> Waste Oil or 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 />