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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2003-0049 -22- <br /> FORW_4RD INC.AND ALLIED WASTE INDUSTRIES <br /> FOR OPERATION OF <br /> FORWARD CLASS U LANDFILL <br /> SAN JOAQUIN COUNTY <br /> c. Background for water samples or soil-pore gas samples shall be represented by the <br /> data fTom al I samples taken from applicable background monitoring points during that <br /> reporting period(at least one sample from each background monitoring point). The <br /> Discharger may propose an alternate statistical method(to the methods listed under <br /> 27 CCR §20415(e)(8)(A-D)] in accordance with §20415(e)(8)(E) of Title 27, for <br /> review and approval by the Executive Officer. <br /> 19. The method shall be implemented as follows: <br /> a. For the Volatile Organic Compounds Monitoring Parameter For Water Samples <br /> [VOCwared: For any given rnonitoripg point,the VOC,,.,,,Monitoring Parameter is a <br /> composite parameter addressing all"qualifying VOCs" (in this case, VOCs that are <br /> detected in less than 10%of background samples). <br /> The Dischuger shall conduct verification testing(see Detection Monitoring <br /> Specifications E.21. and E.23 below, as appropriate)to determine whether a release of <br /> VOCWa«r Monitoring Parameter has occurred if the data for any monitoring point <br /> meets either of the following triggering conditions: <br /> 1) The data contains two or snore qualifying VOCs that equal or exceed their <br /> respective MDLs; or <br /> 2) The data contains one qualifying VOC that equals or. exceeds it,-,PQL. <br /> b. For the Volatile Organic Compounds Monitoring Parameter For Soil Pore Gas <br /> Samples[l/OCpj: the VOCsPB Monitoring Parameter is a composite parameter for <br /> soil pore gas addressing all "qualifying VOCs"detectable using either GC or GC/MS <br /> analysis for at least a ten liter sample of soil pore gas (e.g., collected in a vacuum <br /> canister). Tt involves the same scope of VOCs as does the VOC,v tr Monitoring <br /> Parameter. For the VOCspg test, "qualifying VOCs"consist of all those VOCs which <br /> are detectable in less than 10% of background soil pore gas samples. <br /> The Discharger shall conduct verification testing(see Detection Monitoring <br /> Specifications E.21. and E.23 below, as appropriate)to determine whether a release of <br /> VOC,pg Monitoring Parameter has occurred if the data for any monitoring point meets <br /> either of the following triggering conditions: <br /> 1) The data contains two or more qualifying VOCs that equal or exceed their <br /> respective MDLs; or <br /> 2) The data contains one qualifying VOC that equals or Exceeds its PQL. <br /> tZ d 0 [295££9 '0N/99:£l '1S/£O:b l 90H O l In P (NOW) NOdd <br />