Laserfiche WebLink
Table 1 <br /> w <br /> GROUNDWATER ELEVATIONS AND SAMPLE ANALYTICAL RESULTS <br /> Boettcher Western Properties <br /> 4555 North Pershing Avenue <br /> Stockton,California <br /> Total <br /> Well Sampling TOC DTW GWE B T E X MTBE TPHg TPHd TPHmo Lead <br /> Number Date (feet) (feet) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-5 11/19/92(1) 7.59 30.80 -23.21 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 7.6 <br /> 6/4/93 7.59 26.76 -19.17 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 ND<3.0 <br /> 9/3/93 7.59 27.28 -19.69 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> 12/3/93 7.59 26.87 -19.28 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<500 ND<500 ND<500 -- <br /> 12/21/94 7.59 27.01 -19.42 ND<0.5 ND<0.5 ND<0.5 ND<0.5 -- ND<50 -- -- -- <br /> 3/13/95 7.59 24.46 -16.87 ND<0.5 ND<0.5 ND<0.5 ND<1.0 -- ND<50 -- -- <br /> 6/8/95 7.59 23.25 -15.66 ND<0.5 ND<0.5 ND<0.5 ND<1.0 -- ND<50 -- <br /> 8/30/95 7.59 24.62 -17.03 ND<0.5 ND<0.5 ND<0.5 ND<2.0 -- 100 -- _ <br /> 12/11/95 7.59 24.53 -16.94 ND<0.5 ND<0.5 ND<0.5 ND<2.0 -- 100 -- -- -_ <br /> 3/14/96 7.59 20.94 -13.35 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<50 100 -- -- -- <br /> 6/19/96 7.59 21.00 -13.41 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<50 70 -- -- <br /> 9/25/96 7.59 22.35 -14.76 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<5.0 ND<50 -- -- _ <br /> 12/17/96 7.59 21.08 -13.49 ND<0.5 ND<0.5 ND<0.5 ND<2.0 ND<5.0 130 -- -- <br /> Notes_• <br /> TOC Top of casing elevation in feet referenced to mean sea level Samples collected through 12/3/93 by McLaren/Hart <br /> DTW Depth to groundwater Samples collected since 12/21/94 by Clearwater Group Inc. <br /> GWE Groundwater elevation in feet(TOC-DTW) <br /> BTEX Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020(modified). <br /> TPHg Total petroleum hydrocarbons as gasoline by EPA Method 8015(modified). <br /> TPHd Total petroleum hydrocarbons as diesel by EPA Method 8015 (modified). <br /> TPHmo Total petroleum hydrocarbons as motor oil by EPA Method 8015(modified). <br /> ppb Parts per billion(ug/1) <br /> ND Not detected at or above indicated method reporting limit <br /> -- Not analyzed <br /> (1) Groundwater elevation data obtained 11/12/92 <br /> (2) Groundwater elevation data obtained 9/3/93 <br /> Page 3 of 3 <br /> I <br />