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I UNION ICE COMPANY <br /> 1320 West Weber Avenue <br /> Stockton, California <br /> Quarterly Sampling Report -July, 1992 <br /> Site Code #1283 <br /> NARRATIVE <br /> On October 14, 19921 WHF Environmental Consultants, Inc , in conjunction with <br />' HKM, Inc , conducted field measurements on 10 groundwater monitoring wells, along <br /> with well pumping and sampling of the 10 wells located at this site <br />' Groundwater elevations were taken from all ten �A ells pnor to pumping them (Table 1) <br /> Each well wac evacuated by means of a steam cleaned, stainless steel bladder-type <br /> pump At least 3 well volumes were pumped from each well During tree 3 volume <br />' pump down of each well, samples were collected to measure the field pxl, electrical <br /> conductivity and temperature Once stability was achieved and a minimum of 3 well <br /> volumes were removed, the samples were collected with a steam cleaned, polyethylene <br />' disposable bailer The samples were then labeled and placed in an ice chcst cooled with <br /> blue ice and crushed ice <br />' The samples were then logged on a Chani of Custody and transported to GeoAnalytical <br /> Laboratories, a State certified laboratory in Modesto, California The analysis re- <br /> quested for the 4 water samples was EPA method 602 for purgeable aromatic <br /> hydrocarbons (BTX&E) and method 5030/LUFT for total petroleum hydrocarbons- <br /> gasoline. The analytes and concentrations detected are listed in Table 2 of this report <br />' The groundwater elevations noted in this quarter's measurements are referenced on the <br /> groundwater chart in Table 1 of this report The groundwater gradient is still in the <br />' southeast direction <br />