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Harding ESE, Inc. ~m Si g ESE 600 Grand Avenue ~,.~.l.~r n Suite 300 Oakland, CA 946'10 A MACTEC COMPANY Telephone: 510/451-1001 Fax: 510/451-3165 Home Page: www. mactec.com November 5,2001 53636.001 Mr. Peter Ingram City of Redwood City Public Works Services Department 1400 Broadway Redwood City, California 94063-2505 Proposal Solvent Plume Investigation Vicinity of Sequoia Station Shopping Center Redwood City, California Dear Peter: Harding ESE (formerly Harding Lawson Associates) is pleased to submit this proposal to the City of Redwood City (City) to conduct subsurface investigation activities to evaluate the lateral and vertical extent of halogenated volatile organic compounds (HVOCs) in groundwater in the vicinity of the Sequoia Station Shopping Center. The approach and generalized scope of the proposed work described herein were previously discussed in a meeting with staff of the San Francisco Bay Regional Water Quality Control Board (SFRWQCB)~, and was presented in a Work Plan dated January 31, 2001, prepared by Subsurface Consultants, Inc. (SCI). The Work Plan was approved by SFRWQCB staff in a letter dated March 26, 2001. BACKGROUND The site comprises the general area bounded by E1 Camino Real (ECR) on the southwest, Jefferson Avenue on the southeast, James Avenue on the northwest, and the Caltrain railroad tracks on the northeast, and includes the Sequoia Station Shopping Center and adjacent City streets. We understand that Safeway is the current owner and anchor tenant of the shopping center, and that additional tenants occupy other buildings within the shopping center property. During the redevelopment of the Sequoia Station property in the mid-1990s, soil and groundwater investigations were conducted for Safeway by others at several of the former parcels, including: (1) the previous site of the Davies Chevrolet automobile dealership (the so-called Davies parcel), (2) the site of a former dry cleaning facility (the Ramey Parcel), and (3) a former gasoline service station property referred to as the Greet/Southern Pacific Railroad (SPRR) property. Because of the finding of HVOCs ~ Meeting on August 15, 2000, with Messrs, Steven Hill, Ravi Arulananthum, David Barr, and Anders Lundgren of SFRWQCB; Arnold Kessler and David Schricker of the City Attorney's office; and Terry McManus, then with Subsurface Consultants, Inc. (SCI).