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! Y <br />I <br />• I -�fiY �_ .. I '�_ - �} a.—r—�-._.. .. � ..-.. -r: s .-- —�—'- -- _ t - �,.a, r «s -.—«. - � a - •--- - .� -rr-c-«-,.s_-'w - r _`� _ s"�-�i-wJs. W"C�... ^- »..mss» <br />TABLE 4 <br />GROUNDWATER ELEVATIONS <br />(Feet) * <br />Relative Depth Relative Groundwater <br />' Well No. Casing to Groundwater Elevation <br />Elevation 10-93 1-94 4-94 10-93 1-94 4-94 <br />Ir <br />' MW -1 9883 6751 6518 6325 31532 3365 3558 t <br />MW -2 9733 6606 6368 6174 3127 3365 3559 <br />' MW -3 9767 6616 6394 6210 3151 33 73 35 57 <br />'*Based on an arbitrary benchmarl of 10000 feet <br />�4 Water samples were collected after temperature and other parameters stabilized Water <br />' samples were collected using disposable plastic bailers The samples were collected in EPA - <br />vials, capped with teflon faced silicone septum, chilled, and transported to McCampbell <br />Analytical, Inc (MAI) for analysis <br />3.2 Water Sample Analysis <br />Groundwater samples were analyzed for total petroleum hydrocarbons (TPH) as gasoline <br />in accordance with 8015m and volatile aromatics (BTE&X) in accordance with EPA method <br />■ 602 <br />3.3 Well Survey <br />- rr In accordance with the "Central Valley Regional Board Requests for Site Closure - <br />Addendum to Appendix A" and the request of the PHS/EHD, a survey of surrounding <br />production wells for municipal; domestic, agriculture, industry and other uses within 2000 <br />feet of the site was performed Four production wells are located within a 2,000 -foot radius <br />of the site The wells are listed in Table 5 <br />4.0 FINDINGS <br />4.1 Groundwater Elevation <br />The relative groundwater elevations for the monitoring wells were calculated by subtracting <br />the water depth from the casing elevation (Table 4) Groundwater has risen approximately <br />O-kfi-1A.d,g S.,1.. 9 <br />16" %Wd ca OR 7 <br />