Reso13 PC 13-09 2859 Initial Study Mitigated Negative Declaration Kensington

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GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version:03/15/2011 Source: California lntegrated Waste Management Board Date Data Arrived at EDR:03/16/2011 Telephone: 916-341-6066 Date Made Active in Reports:04/26/2011 Last EDR Contact:05/23/2011 Number of Days to Update:41 Next Scheduled EDR Contact:09/05/2011 Data Release Frequency:Varies FINANCIAL ASSURANCE 1: Financial Assurance Information Listing Financial Assurance information Date of Government Version:03/01/2007 Source: Department of Toxic Substances Control Date Data Arrived at EDR:06/01/2007 Telephone: 916-255-3628 Date Made Active in Reports:06/29/2007 Last EDR Contact:05/05/2011 Number of Days to Update:28 Next Scheduled EDR Contact:O8/15/2011 Data Release Frequency:Varies FEDLAND: Federal and Indian Lands Federally and Indian administrated lands of the United States. Lands included are administrated by:Army Corps of Engineers, Bureau of Reclamation, National Wild and Scenic River, National Wildlife Refuge, Public Domain Land, Wilderness,Wilderness Study Area,Wildlife Management Area, Bureau of Indian Affairs, Bureau of Land Management, Department of Justice, Forest Service, Fish and Wildlife Service, National Park Service. Date of Government Version: 12/31/2005 Source: U.S. Geological Survey Date Data Arrived at EDR:02/06/2006 Telephone: 888-275-8747 Date Made Active in Reports:01/11/2007 Last EDR Contact:04/21/2011 Number of Days to Update:339 Next Scheduled EDR Contact:O8/01/2011 Data Release Frequency: N/A PCB TRANSFORMER: PCB Transformer Registration Database The database of PCB transformer registrations that includes all PCB registration submittals. Date of Government Version:01/01/2008 Source: Environmental Protection Agency Date Data Arrived at EDR:02/18/2009 Telephone: 202-566-0517 Date Made Active in Reports:05/29/2009 Last EDR Contact:05/05/2011 Number of Days to Update: 100 Next Scheduled EDR Contact:O8/15/2011 Data Release Frequency:Varies EDR PROPRIETARY RECORDS EDR Proprietary Records Manufactured Gas Plants: EDR Proprietary Manufactured Gas Plants The EDR Proprietary Manufactured Gas Plant Database includes records of coal gas plants(manufactured gas plants) compiled by EDR's researchers. Manufactured gas sites were used in the United States from the 1800's to 1950's to produce a gas that could be distributed and used as fuel.These plants used whale oil, rosin,coal,or a mixture of coal,oil,and water that also produced a significant amount of waste. Many of the byproducts of the gas production, such as coal tar(oily waste containing volatile and non-volatile chemicals),sludges,oils and other compounds are potentially hazardous to human health and the environment.The byproduct from this process was frequently disposed of directly at the plant site and can remain or spread slowly,serving as a continuous source of soil and groundwater contamination. Date of Government Version: N/A Source: EDR, Inc. Date Data Arrived at EDR: N/A Telephone: N/A Date Made Active in Reports: N/A Last EDR Contact: N/A Number of Days to Update: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned EDR Historical Auto Stations: EDR Proprietary Historic Gas Stations EDR has searched selected national collections of business directories and has collected listings of potential gas station/filling station/service station sites that were available to EDR researchers. EDR's review was limited to those categories of sources that might, in EDR's opinion, include gas station/filling station/service station establishments.The categories reviewed included, but were not limited to gas,gas station,gasoline station, filling station,auto,automobile repair,auto service station,service station,etc. TC3116463.1s Page GR-24