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Regional Office <br />-''�}(t�4 4585 Pacheco Boulevard <br />ED INTERNATIONAL �,, r P N ql-rl Nar4nez. California 94553-2233 <br />CORPORATION � �>�ICE 510-322-9100 <br />September 17, 1996 SCP 20 Fax 510-372-5220 <br />AM ID 10 <br />IT Project No. 768811 <br />Richard Johnson <br />Project Manager <br />Pacific Bell <br />P.O. Box 15038 <br />3707 Kings Way; Room #A-6 <br />Sacramento, CA 95851 <br />Pipeline Removal Verification Soil Sample Results <br />Pacific Bell Facility - 1413 Bourbon Street; Stockton, CA <br />Dear Mr. Johnson: <br />IT Corporation (IT) was retained to perform verification soil sampling activities following the <br />removal/replacement of an underground storage tank (UST) pipeline from the above referenced <br />Pacific Bell facility. The collection of these samples was completed on September 16, 1996, <br />upon removal of the original piping by representatives of Aronson Engineering Incorporated. No <br />petroleum stained soils or odors were noted upon removal of the original piping, and no <br />groundwater was encountered in the piping trench. <br />Two verification soil samples were collected at the site. One sample (SS -1) was collected at <br />point where the UST piping entered the adjacent building; the second sample was collected <br />beneath a 90° elbow in the former pipe, located adjacent to the inplace UST. The soil samples <br />were collected using a soil coring device containing two inch by six inch brass sleeves. The <br />sample corer was driven into native soil at each desired sampling location using an attached slide <br />hammer. Letitia Briggs of San Joaquin County Public Health Services Department - <br />Environmental Health Division was present to witness the sample collection procedures. Soil <br />sampling locations are provided on the attached site sketch. <br />After collection and labeling, the samples were immediately put on ice and cooled to <br />approximately 4'C. Chain of custody documentation accompanied the samples from the time of <br />collection to the time of delivery at Mc Campbell Analytical Laboratory (a DHS certified <br />laboratory), for analytical testing. Copies of the Analysis Request and Chain of Custody records <br />are attached to this letter for reference. <br />IT Corpora on Is a wholly owned sutwdfary It ID[emaLonal Techr!claai Corporation <br />