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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-00XX 94 <br />FORWARD, INC. <br />FORWARD LANDFILL <br />SAN JOAQUIN COUNTY <br />STANDARD PROVISIONS & REPORTING REQUIREMENTS <br />Discharger shall immediately notify Central Valley Water <br />Board staff by phone or e-mail and, within 30 days [Title 27, <br />§ 20415(e)(3)] of such indication, the Discharger shall <br />implement a verification procedure/retest option, in <br />accordance with Title 27, sections 20415(e)(8)(E) and <br />20420(j)(2). The verification procedure shall include either a <br />single “composite” retest (i.e., a statistical analysis that <br />augments and reanalyzes the data from the monitoring point <br />that indicated a release) or shall consist of at least two <br />“discrete” retests (i.e., statistical analyses each of which <br />analyzes only newly-acquired data from the monitoring point <br />that indicated a release) [Title 27, § 20415(e)(8)(E)]. The <br />Discharger may use an alternate method previously <br />approved by the Central Valley Water Board and included in <br />the Monitoring and Reporting Program. The verification <br />procedure shall comply with the requirements of Title 27, <br />section 20415(e)(8)(E) in addition to the performance <br />standards of Title 27, section 20415(e)(9). The retest <br />samples shall be collected from the monitoring point where <br />the release is preliminarily indicated and shall be analyzed <br />for the constituents that caused the need for the retest. For <br />any indicated monitoring parameter or constituent of <br />concern, if the retest results of one or more of the retest data <br />suites confirm the original indication, the Discharger shall <br />conclude that measurably significant evidence of a release <br />has been confirmed. <br />ii.Confirmation of a Release. As soon as the retest data are <br />available, the Discharger shall evaluate the results pursuant <br />to paragraph I.47.b.1, above and shall: <br />(A)Immediately verbally notify the Central Valley Water <br />Board whether or not the retest confirmed measurably <br />significant evidence of a release for the analyte at the <br />monitoring point, and follow up with written notification <br />submitted by certified mail within seven days of the <br />verbal notification; and <br />(B)Carry out the requirements of Section J, RESPONSE <br />TO A RELEASE if a release has been confirmed.