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Outlined below is a summary of the completed scope of services: Pre-field Activities • A pre-work site meeting was conducted on September 3,2014,during which Jonathan Shlee with Caltrans, Robert Kimball with Geocon, and Tommy Henson with Comcast reviewed the project site and scope. The corroded UST measuring roughly 5.5 feet long by 44 inches in diameter was exposed in Excavation 1 (see attached photographs). Based on the presence of solid contents (soil and dried drilling fluid), it was determined that the UST should be removed instead of closed in place. • Obtain a UST Closure permit from the SJCEHD. • Contact Underground Service Alert(USA)a minimum of 72 hours prior to the field activities. • Update the October 2013 Health and Safety Plan to provide guidelines on the use of personal protective equipment and the health and safety procedures implemented during the field activities. • Retain the services of Advanced Technology Laboratories (ATL), a Caltrans-approved and California-certified analytical laboratory located in Signal Hill, California, to perform chemical analysis of soil samples. • Retain the services of AVLS for the transportation and disposal of the Non-Hazardous tank solids contents and used adsorbent to Kiefer Landfill, Sacramento County,California. • Retain the services of NRC Environmental Services, if necessary, for the transportation and disposal of Class I Non-RCRA Hazardous Waste tank solids contents and used adsorbent to Clean Harbors Buttonwillow Landfill(TSDF), Kern County, California. • Caltrans will provide notification to the adjacent private property owner in advance of the field activities. UST Removal Activities The tank top will be exposed and cut off to expose the Comcast fiber optic conduit and to facilitate the removal of the solid materials within the tank. The lower explosive limit (LEL) will be monitored but based on prior readings is expected to remain at 0.0%. The tank solid contents will be removed using a backhoe and hand tool methods and placed in labelled 55-gallon drums. The tank will be dry scraped and cleaned using adsorbent (Solidasorb) materials. The tank will be removed and subsequently cut into pieces using a non-sparking pneumatic cutting tool. The removed tank contents and adsorbent will be sampled for non-hazardous/hazardous determination and analysis of gasoline-range organics (GRO) and diesel-range organics (DRO) following the United States Environmental Protection Agency (EPA) Test Method 8O15B modified, total lead by EPA Test Method 601OB,and volatile organic compounds(VOCs)and fuel oxygenate compounds(FOCs)by EPA Test Method 8260. If determined to be non-hazardous, the tank contents and adsorbent will be disposed of by AVLS as non-hazardous petroleum-contaminated solids to the Kiefer landfill facility in Sacramento, California. If determined to be Class I non-RCRA hazardous waste, the tank contents and adsorbent will be disposed of by NRC Environmental Services as non-RCRA hazardous petroleum- contaminated solids to the Clean Harbors Class I Buttonwillow landfill facility in Buttonwillow, California. The cut tank and product piping will be recycled at the Sims Metal Management in Sacramento,California.A"Certificate of Destruction"will be provided by Sims. Linden UST Removal Workplan,TO No.3 4 Caltrans Contract 06A1895,EA No. 10-OY3600 Geown Project No.S9800-01-34 -2- Revised October 14,2014