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r1CT SHEET NO. I NOVEMBER 2006 Area I were tested for VOCs. Well owners granted With the Regional Water Board's approval, Nestle currently permission to test 23 of the 38 wells in Area 2. is developing a revised groundwater flow and transport model to assist with implementation of a long-term steategy Nestle received laboratory results in April 2005 that for effective ongoing plume capture and mass removal of indicated concentrations of VOCs in water samples from two VOCs. A Feasibility Study submitted to the Regional Water private drinking water wells located in Area 1 exceeded the Board in 1994 is being amended to include new technologies State of Califomia Maximum Contaminant Levels (MCLS) not available at that time. Based on the Feasibility Study, and Public Health Goals (PHGs) for drinking water. Nestle will prepare a Final Remedial Action Plan (RAP) for Information about current California MCLS and PHGs can site cleanup. Nestle currently is evaluating the use of new be found at the California Department of Health Services and different groundwater cleanup and protection methods, website (huu://mm dhs.ca.-ov/ps/ddwem/chen,icais/1'HGs/indcx htn,). in addition to continued groundwater extraction, to enhance Within 24 hours of receiving these results from the interim remedial measures before a final action plan is laboratory, Nestle reported the findings to the Regional implemented in 2007. Water Board. Nestle notified the tenants of the properties of the results in-person and provided the tenants with bottled Regional Water Board Oversight Process water. Nestle provided wellhead water treatment systems for The Regional Water Board oversees site cleanup activities in both of the private wells within five days of the findings. the Central Valley Region. Regional Water Board staff direct investigation or cleanup work and set cleanup No VOCs were detected above the MCLS or PHGs in water standards under Water Code authority. Responsible parties collected from the remaining domestic wells in both Areas I (e.g. past operators) propose specific measures, perform the and 2; only one VOC has been detected above its PHG, but actual work, and submit technical reports documenting task below its MCL, in one of the ten monitoring wells installed completion. on the south side of the Stanislaus River. Groundwater analytical results for the water samples collected from As part of this process, we circulate key documents, such as existing domestic wells, irrigation wells, and newly installed draft cleanup plans, to interested persons and provide an monitoring wells by Nestle in Areas I and 2 show that the opportunity for comment on these documents. Interested groundwater impact south of the Stanislaus River appears to persons include other agencies, local officials, non-profit be limited to a small area near the river. organizations, and interested landowners and residents/ Ongoing and Future Activities occupants in the site vicinity. Water samples from eleven domestic supply wells and one Community Contacts irrigation supply well in Area I are currently collected and California Regional Water Quality Control Board— tested on a monthly basis for VOCs. There have been no Central Valley Region detections of VOCs in samples from these wells. Water 11020 Sun Center Drive,#200 samples currently are collected for testing from the ten Rancho Cordova, CA 95670 monitoring wells that Nestle installed south of the Stanislaus James Brownell, Project Manager River on a quarterly basis. The wells were last sampled in (916)464-4675 October 2006 and are scheduled to be sampled next in January 2007. Nestle USA, Inc. 800 North Brand Blvd. Nestle has prepared a draft Water Replacement Contingency Glendale, CA 91203 Plan for the area (Areas I and 2) south of the Stanislaus Michael Desso, Manager, Environment and Safeh River. This draft plan was reviewed by the Regional Water (818)549-6000 Board. This plan ensures that any possible future VOC detections above applicable drinking water standards in Stanislaus County Department of Environmental Resources water from wells that are currently part of the sampling 3800 Cornucopia Way, Suite C program will be promptly reported to the users of these wells Modesto,CA 95358 and will trigger a reevaluation of the sampling program. The Nicole Damin plan has been developed to ensure rapid provision for (209) 525-6700 replacement water on both the short and the long-term. Page 3 of 3