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May 25, 2016 Called Dave Harder Shell. He said the pipeline had been repaired. He believes they started running the line again on the evening of May 22, 2016. He said they are running at a very slow arte with light crude to clear the line. If the heavy crude sat in the line it would solidify and block it. They will be working with the State fire Marshall while making repairs and doing testing. Dave gave me the number to Mark Oler, soil &groundwater manager(309) 579-3740. Called Mark to discuss the clean-up, repairs and abatement. Per Mark, Kristi from the regional board had been to the site yesterday. A representative from the State Fire Marshall has also been on site daily. He said they have excavated 200 18 yard 'bins so far. He believes they are about half way done with the removal of contaminated soil. They have 100 empty on site for use. They are chasing any and all visible traces of oil. They are planning on sampling the waste to test for the amount of hydrocarbons in the soil. Based on the analysis it should help them make a better determination of how much crude was actually released. I asked Mark if he knew of any Ag wells of drinking water wells on the property. He said he didn't think there were any. He believes the water table is at 250'. Told him thanks and I would be in contact. He said ok. Called Kristi, left a message for callback. Received message and email from Jennifer Kozak, DAI from Alameda county. Called her back and discussed events. May 26, 2016 Received message from Kristi, called her back, left message. May 31, 2016 Spoke with Kristi Shelton. She had responded to the site on both Tuesday and Thursday (May 24 and 26). As of Thursday Shell had excavated 345 18yrd bins of soil. The piping that had leaked had been replaced (an 80ft section). Shell will be hydrostatically testing the line this week so they will not be doing excavation at this time. Kristi is going to follow-up with Shell this week. During the course of excavation an old pipeline that runs parallel to the new (1989). piping was seen. Shell had proposed to leave the piping onsite but after visually chasing the contamination discovered it was not possible. A 90' section of old piping was removed. The area excavated is 12' below grade (7' under the piping). They are currently excavating 20' sections, until no visual contamination is seen. They are then sampling, and backfilling with dirt from the site. This release is approximately 1800' from the previous release in September 2015. Per Kristi,Alameda county has also formally referred the oversight the her. Pulled prelimary report and photos from GeoTracker. Emailed info to Jennifer Kozak per her request. 8. Prepared by. Name: ( Position/Title: signature: EE] ICS 214, Page 1 Date/Time: Date