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f <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 95-801 <br /> CHEVRON PIPELINE COMPANY <br /> DIVIDEND PROPERTY• <br /> SAN JOAQUIN COUNTY <br /> Prior to construction, plans and specifications for ground water monitoring and/or extraction wells <br /> shall be submitted to Board staff for review and approval. After construction, new wells are to be <br /> sampled and analyzed for the constituents below and added to the monitoring program. _ <br /> GROUND WATER MONITORING <br /> There are nine operable ground water monitoring wells (MWs) as shown in Attachment 1. The <br /> remaining wells have been abandoned. MWs with free phase petroleum product or visible sheen shall <br /> be monitored for product thickness and depth to ground water only. The ground water monitoring <br /> program for the nine monitoring wells, and any additional wells installed subsequently, except for <br /> wells containing free phase petroleum product or visible sheen, shall include the following: <br /> ` Constituents Units Sample Sample Test Sampling <br /> P P P g <br /> Type Preparation Method Frequency <br /> Free Product Thickness inches ----- --- - ----- Quarterly <br /> i <br /> Depth to Ground Water Feet — — ---- Quarterly <br /> Benzene' u g/1 Grab 5040/50302 EPA 8020 Quarterly <br /> Toluene' ug/1 Grab 5040/50302 EPA 8020 Quarterly <br /> Ethylbenzene' Ag/1 Grab 5040/50302 EPA 8020 Quarter y ' <br /> Xylene ug/l Grab5040/5030 - _ _., EPA 802Q Quarterly <br /> Polynuclear Aromatic gg/1 Grab 3510/3520 EPA 8310 Quarterly <br /> Compounds (PNAs) <br /> ' TPH as Purgeable mg/1 Grab 5040/50302 Modified 8015 Quarterly <br /> Crude (C4-0.12)1.2 <br /> i <br /> TPH as Extractable mg/1 Grab 5520C/35103 Modified 8015 Quarterly <br /> Crude (C8- C38)1.3 <br /> Total Recoverable mg/1 Grab 5520F/35103 EPA 418.1 Quarterly <br /> Petroleum Hydrocarbons <br /> a (C14- C.)4 <br /> 1. A crude oil standard chromatograph shall be used for constituent identification. <br /> 2. Purge and trap method used for sample preparation, flame.ionization used for detection. <br /> 3. Extraction method used for sample preparation, flame ionization used for detection. <br /> 4. Extraction method used for sample preparation, spectrophotometric infrared used for detection. <br />