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SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVAL/REPLACEMENT <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall <br /> be representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 <br /> feet. If contamination is documented during closure, an Unauthorized Release Notification must be completed <br /> and submitted withing five (5) working days pursuant to California Health &Safety Code, Section 25295. <br /> DISPENSER SAMPLES <br /> AT LEAST ONE SAMPLE BELOW EACH DISPENSER <br /> PIPING AND STOCKPILE <br /> PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> DISPENSER & PIPING STOCKPILE SAMPLES 2 Samples evea 50 cubic yards <br /> MINIMUM VERIFICATION LABORATORY ANALYSIS <br /> Oxygen <br /> Tank# Tank TPH-G TPH-D BTX&E CL HC Total Lead MTBE Ates Metal PCB <br /> Contents 8015 8015 8020 8010 7420 8020 (MTBE, ICAP/AES 8270 <br /> 8260 8260 8260 8240 7421 8260 TBA,DIPE, or AA 8080 <br /> 8260 ETBE, <br /> TAME) <br /> 8260 <br /> Leaded Gas x x X X <br /> Un]Gas x X x <br /> Diesel x x <br /> Kerosene x x X <br /> U.K.Fuel x X x x x <br /> Prod.Oil x x X <br /> Chlor. X X x <br /> Solvents <br /> Nonchlor x X x <br /> Solvents <br /> Waste/ x x x x x x x <br /> Used oil 11 <br /> All analysis methods are the designated EPA methods described in EPA SW 846,Third Edition. Those methods not found in SW 846 are specifically noted below. <br /> Refer to the'SWRCB LUFT Field Manual",Appendix D(B),Table 3-5 on page A20 for minimum detection limits for motor vehicle fuel(gasoline and diesel). Refer <br /> to"Tri-Regional Board Staff Recommendations for Initial Evaluation and Investigation of UST's"for the waste and motor oil minimum detention limits. Detection <br /> Limits that remain below the MCL,STLC or Allowable Limit of the contaminant in question will be accepted,however laboratory shall utilize the <br /> most conservative methods. <br /> CI 123 046(...iced 1/74/02) <br /> <rsp.e.ri, cpsb6-di2304fi wird Page 3 Wo#121718 <br />