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• • <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. 93- <br /> FOR <br /> SANTA FE PACIFIC PIPELINE PARTNERS <br /> STOCKTON TERMINAL <br /> SAN JOAQUIN COUNTY <br /> Specific sample station locations are established under direction of the Board's staff. <br /> Prior to construction, plans and specifications for ground water monitoring and/or extraction �v); <br /> _„ . - <br /> `wctts st. au uc suu..uucu to Doard sta:. 1v1 m iec,� auu approval. After c:,n.,.. <br /> wells are to be sampled and analyzed for the constituents below and added to the monitoring <br /> program. U U <br /> GROUND WATER MONrrORING <br /> There are six monitoring wells onsite as shown in Figure 1. Monitoring wells with free <br /> phase petroleum product or visible sheen shall be monitored for product thiclmess and depth <br /> to ground water only. The ground water monitoring program for the six monitoring wells <br /> andaay additional wells installed wbsequently except for wells containing free phase <br /> pet whom product or visible sheen, shall include the following: <br /> Sampling <br /> CQa&fi = VAAA I= of Sample F=ueny <br /> Depth to ground Feet — Monthly <br /> water <br /> Benzene µg/1 Grab Quarterly <br /> Toluene µg/1 Grab Quarterly <br /> Ethylbenzene 14g/1 Grab luarwrly <br /> Xylene µg/1 Grab Quarterly <br /> TPH as diesel µg/I Grab Quarterly <br /> TPH as gasoline µ9/1 Grab Quarterly <br /> Total Lead' µg/1 Grab Quarterly <br /> From wells which have not been monitored for total lead. If total lead is detected, <br /> the Discharger shall perform verification sampling within 30 days of submittal of <br /> the monitoring report. If the presence of total lead is not confirmed, no further test <br /> is required. If pollution is verified, the Discharger shall continue monitoring for <br /> total lead quarterly. <br />