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LABORATORY ANALYSES <br /> All collected groundwater samples and soil disposal profile samples will be submitted to a State- <br /> certified laboratory for analysis for standard list VOC and gasoline range organics (TPH-GRO) <br /> in general accordance with EPA method 8260B. Soil disposal profile samples will also be <br /> analyzed for total lead in accordance with EPA method 6010. Samples will be transported to the <br /> analytical laboratory under chain-of-custody documentation. <br /> DATA EVALUATION AND REPORTING <br /> FREY will prepare a report to document the results of the hydropunch sampling and well <br /> installation, development, and surveying. A separate semi-annual groundwater monitoring and <br /> sampling report will be prepared to document the results of well monitoring and sampling as <br /> well as the hydropunch sampling. The reports will be submitted to the RWQCB and uploaded <br /> onto the SWRCB's"GeoTracker"website. <br /> SCHEDULE <br /> FREY will commence pre-field activities following approval of this workplan by the RWQCB. <br /> Permitting with the City of Stockton and SJEHD is anticipated to require approximately 4 weeks. <br /> Hydropunch boring and sampling would be completed approximately 2 to 4 weeks after <br /> acquisition of the encroachment and well permits, depending on drilling subcontractor <br /> availability. Installation of the groundwater monitoring wells would be completed <br /> approximately 3 weeks after completion of hydropunch sampling. Well development, surveying <br /> and sampling would be completed within 2 weeks of well installations. Reports documenting <br /> and presenting the results of the hydropunch sampling and well installations, and semi-annual <br /> groundwater monitoring event will be submitted to the RWQCB approximately 6 to 8 weeks <br /> following the conclusion of field activities. <br /> Please contact us if you have any questions or concerns regarding this workplan. <br /> Sincerely, �j ttd�E <br /> FR nv� NCR/ �'i ��c\ONAI GFO <br /> A-,{h <br /> N <br /> Nd 1 00 O a NO. 7584 p -� <br /> Ex;. &5 * ExR z L <br /> Joe ey * /K?eTucker Prin ipal ertifi �A�OFCAUF S Project Geologist OFCALIf <br /> En ring Geologi PG# 7584 <br /> CEG#1500 <br /> Terrence Kinn <br /> Project Geologist <br /> FREY Environmental,Inc. 10 Project No. 1095-01 <br />