Laserfiche WebLink
BOARD OF TRUSTEES <br />AI Crow, Pres. <br />Earl Pimentel, Vice Pres. <br />Tommy Joyce, Secy. <br />James F. Culbertson <br />John D. Mast M.D. <br />Virginia Mathews <br />Thomas Schubert D.V.M. <br />Daphne Shaw <br />Hervey Williams, Ph.D. <br />June 21 , 1989 <br />0 0 <br />SAN JOAOUIN LOCAL HEALTH DISTRICT <br />1601 East Hazelton Avenue <br />Stockton, California 95205 <br />JOGI KHANNA, M.D., M.P.H., DISTRICT HEALTH OFFICER <br />PDM Strocal Inc. <br />Attn: Fred Long, Plant Manager <br />2324 Navy Drive <br />Stockton, CA 95206 <br />RE: Soil Excavation Workplan; 2324 Navy Drive, Stockton <br />Please be advised that this office has reviewed the above <br />referenced workplan. The following items should be addressed in <br />a revised workplan or addendum to the existing workplan. <br />Illustrate the previously constructed soil borings and <br />monitoring wells on a detailed site map, and provide a brief <br />summary of the work performed on the site to date. <br />2. Provide scale -drawn cross-sectional diagrams of the <br />excavation area. This will benefit in graphically <br />illustrating the proposed sampling locations. <br />3. The proposed rationale for sampling the excavation area for <br />diesel constituents is acceptable only for the purpose of <br />screening the removal area. Verification sampling is <br />recommended using laboratory analyses EPA 8010/8020; 8015 <br />TPH, Volatile; 3550/8015 TPH, Extractable on those samples <br />collected to define the "zero line" of vertical and lateral <br />contamination migration. <br />4. Dewatering activities proposed in order to facilitate deeper <br />soils excavation is acceptable provided the following <br />concerns are considered and addressed: <br />a. Beta Associates [September 21, 1987, Project #195- <br />1.1] suggests an off-site contaminant plume in the <br />vicinity of MW#1. Prior to extraction of groundwater <br />from the excavation area, water level measurements <br />should be made and measurements continued throughout <br />the extraction process. <br />SERVING <br />San Joaquin County <br />City of Manteca <br />City of Escalon <br />City of Lodi <br />City of Tracy <br />City of Ripon <br />San Joaquin County <br />City of Stockton <br />San Joaquin County <br />