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Inion Ice Company 425 North Union Street, Stockton, CA Quarterly Sampling Report-December, 1992 F. Site Code 241434 Narrative On March 25, 1993, WHF Environmental Consultants, Inc., in conjunction with F inc., conducted the field measurement,well pumping and sampling on the monitoring well located at this site. _ �Pp ' The groundwater elevation was taken from the well prior to pumping. It was evacuated by means of a steam cleaned, stainless steel bladder-type pump. At least three(3) well volumes were pumped from the well. During the three (3) volume pump down of the well, samples were collected to � measure the field pH; electrical conductivity and temperature. Once stability was achieved and a r minimum of three (3) volumes were removed, the sample was collected. It was then labeled and placed in an ice chest with blue and crushed ice. The sample was logged on a Chain of Custody form and transported to GeoMonitor, Inc.,.a State certified laboratory located in Hesperia, California. The analyses requested for the water sample was EPA methods 602 for purgeable aromatic hydrocarbons (Benzene, Toluene, Ethyl Benzene and Total Xylene), and EPA Method GCFID (3510) for Total Extractable Petroleum Hydrocarbons (kerosene, diesel and motor oil). The detection Iimits used were 0.5 µg/1 for Benzene, Toluene,Ethyl Benzene;total Xylene, and 0.1 mg/1 for gasoline,kerosene and diesel. Summary of Analytical Findings #- The monitoring well at this site (MW-1) tested ND (none detected) for the 602 compounds, gasoline,kerosene and diesel. Prepared By: kofESSIO Lee Delano, P.E. #2239' ^ L 42 33 9 California Registered Civil Engineer '` exp.2-30-93 �aF G a , re anis D. Smith, CPG £..w$ 4613 Certified Professional Geologist #4613 1 o Ali' ti\.rtl IDMSD.--S '5.