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INTRODUCTION Reference is made to the Surface and Subsurface Contamination Report (SSCR) completed for the above-referenced Project in March 2006. An update of this original SSCR is being conducted because the initial surveyor, Mr. Del Dorman, P.L.S.,who was originally hired to complete this minor subdivision could not perform his duties in the required time frame. The Application subsequently became delinquent; consequently, the Applicants, Mr. and Mrs. Brian Miller hired the engineering firm of Dillon and Murphy to complete the Application for this Minor Subdivision. Mr. Mike Toy of Dillon and Murphy is handling the Application. The original SSCR stated that the project was to consist of a two Parcel subdivision. However, the new Tentative Map reflects a three Parcel subdivision, as illustrated on the attached Map produced by Dillon and Murphy. To conduct this update, the following procedures were conducted: The subject property was first walked and visually inspected. Secondly, public information records were reviewed for any changes that may have occurred on, or around the subject property since the date of the last inspection and initial SSCR of March 8, 2006. No significant environmental changes were found. Thirdly, Mr. Brian Miller was interviewed for additional information in the intervening time frame between the original SSCR and this Update SSCR. The following potential environmental concerns were investigated or observed for this SSCR Update: 1. As illustrated in Photographic Plate A, electricity was stolen via an extension cord from the on-site electricity meter, located near the south side of the driveway. The meter has been left open. However, it contains no hazardous materials typically associated with electrical devices, such as polychlorinated biphenyls (PCBs). It is my understanding that manufacture of methamphetamine was manufactured on the property to the south, approximately 40 feet to the south. No records were available indicating environmental contamination, and there was no observations made of surface contamination to the subject property from the dumping of drug chemicals. 2. The Tentative Map illustrates produced by Dillon and Murphy illustrates the location of all items on the proposed three Parcels. These include the single family residence, detached garage, shed, trees, a concrete culvert next to Olive Avenue, and the driveway. There are no ponds, pool or waterways are on the parcel and no natural drainage courses, other than next to Olive Avenue. Stormwater from the property drains into the stormwater drains for the City of Stockton. As mentioned, the property is connected to California Water Service and East Stockton SSP sewer service; therefore, there is no operational septic system. The on- site septic system was removed under EHD permit in July 1992, which is attached to this SSCR Update. Directly west of the detached garage, is the non-operational domestic well that was used prior to connection to California Water Service. Page -1- Chesney Consulting