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500 E Louise Ave Lathrop, San Joaquin County - 3 - 12 April 2019 a. A pile of large stacked pieces of glass waste cemented chunks of material that are the same in appearance as the glass waste removed from WU1 are shown in Figures 2, 3, and 6 of Attachment 3. However, AGE's consultant confirmed that the observed chunks were not excavated from WU1. It was not apparent where these cemented chunks of glass waste were obtained from. The area of this new pile of waste is indicated in Attachment 2. b. There were two stockpiles covered with plastic near the railroad tracks and the pile of cemented glass waste chunks (Figures 2, 3, 4, and 5 of Attachment 3). At the edges of the plastic liner, waste glass and white material can be readily observed as shown specifically in Figures 5 and 7 of Attachment 3. These two covered piles appear to be covering glass manufacturing waste that is similar in appearance and consistency to unpermitted waste remediated from WU1. The area of these new stockpiles of waste is indicated in Attachment 2. c. There are two sets of railroad tracks located in the area of observed glass manufacturing waste piles and the glass waste appears to go right up to the railroad tracks as shown in Figures 8 and 9 of Attachment 3. The glass manufacturing waste may extend beneath the railroad tracks. d. The total disturbed acreage reported in the NO[ was 15.7-acres. There were significantly large areas of disturbance,toward Louise Ave as shown in Figure 10 of Attachment 3 and the southeastern portion neighboring the JR Simplot property. The large cylindrical above-ground tank located at the southeastern- most corner of the site and its associated berm has been removed and graded (Figure 14 of Attachment 3). A historical Site Plan Figure 2 from Project No AGE- 14-3154 and dated May 2015 refers to this tank as: empty oil tank. Protocols for removal of above-ground storage tanks (ASTs) include notifications and verification sampling. Central Valley Water Board staff have not approved a work plan to remove and conduct verification sampling on the above ground tank that was removed from the Site. The location of the AST is indicated in Attachment 2. e. There were three large soil stockpiles covered with plastic and situated midway on the eastern side of the Site (Figures 11, 12, and 13 of Attachment 3). There was no glass waste material observed in these stockpiles. They may be from offsite to use for fill or grading activities onsite. The middle stockpile was a light brown tan color, lighter than native and other fill soil noted at the Site and is visible from tears in the plastic cover in Figure 13 of Attachment 3. f. Posted signage indicated that a Storm water Pollution Prevention Plan (SWPPP) was in place under the WDID permit number 5S39C385988 (Figure 1 of Attachment 3). The SWPPPP indicates Roger Ashton of Engineered Construction Services Corporation as the owner of the property. The address provided for Engineered Construction Services Corp (1200 Concord Ave, Suite 200, Concord, Ca 94520) is the same as the address provided by the site responsible party Dana Parry of Reynolds and Brown. Central Valley Water Board staff have not been notified of any changes in ownership for the site. g. The"SWPPP references a geotechnical report prepared by Berlogar Stevens & Associates dated 21 December 2015 as the detailed source of Site geotechnical