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UNION ICE COMPANY 1320 West Weber Avenue Stockton, California I Quarterly Sampling Report - Apnl, 1992 Site Code #1283 NARRATIVE On April 6 and 7, 1992, WHF Environmental Consultants, Inc , in conjunction with I HKM, Inc , conducted field measurements on ten (10) groundwater monitoring wells, along with well pumping and sampling on three (3) of the wells located at this site Groundwater elevations were taken from ten (10) wells prior to the pumping of the three (3) wells (Table 1) Each well was evacuated by means of a steam cleaned, stain- less steel bladder-type pump At least three (3) well volumes were pumped from each well During the three (3) volume pump down of each well, samples were collected to measure the field pH, electrical conductivity and temperature Once stability was achieved and a minimum of three (3) well volumes were removed, the samples were collected The samples were then labeled and placed in an ice chest cooled with blue ice and crushed ice The samples were then logged on a Chian of Custody and transported to GeoAnalytic.al Laboratones, a State certified laboratory in Modesto, California The analysis re- quested for the three (3) water samples was EPA method 602 for purgeable aromatic hydrocarbons, method 5030/LUFT for total petroleum hydrocarbons-gasoline, and fecal coliform The analytes and concentrations detected are lasted in Table 2 of this report The ground water elevations noted in this quarter's measurements are referenced on the groundwater chart in Table 1 of this report The ground water gradient is currently in the southeast direction Also included in this report is the groundwater gradient map from depth to water measurements taken on March 20, 1992 The gradient in March flows to the southeast and also in the northwest direction which is consistent with the January, 1992, gradient