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Site Description and Background paragraph 3: <br />Ponder collected a total of ten soil samples from six locations, but the Sampling Plan only mentions eight samples from <br />four locations. Please add information about the two other soil samples collected by Ponder from the canal. These <br />samples were collected from either end of the excavated portion of the drainage ditch and from a depth of 12 inches. <br />Site Description and Background paragraph 4: <br />Please add a sentence clarifying the purpose of the sampling documented in this plan (e.g., to further define the extent <br />of contamination in the canal and characterize the contamination in extracted water). <br />Water Sample Collection paragraph 2: <br />Please add a sentence clarifying that the gauged thickness of the liquid phase hydrocarbons (LPH) in the storage tanks <br />will be used to estimate the volume of LPH removed from the Site. <br />Notification <br />San Joaquin is spelled incorrectly. <br />Reporting: <br />San Joaquin is spelled incorrectly. <br />Best, <br />Holly Young <br />Engineering Geologist <br />Site Cleanup Program, Federal Cleanup Unit <br />Central Valley Water Board <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, CA 95670 <br />Tel: 916-464-4669 <br />Email: holly.young@waterboards.ca.gov <br />From: Taylor, Andrew@Wildlife <Andrew.Taylor@Wildlife.ca.gov> <br />Sent: Thursday, June 30, 2022 11:26 AM <br />To: Casey Sanders <csanders@apexenvirotech.com >; Fred Mitchell <Fred.Mitchell@ponder-env.com >; Alaniz, John [EHD <br /><jalaniz1@sigov.org>; Manzo, Elena K. [EHD <emanzo@sigov.orp; Garcia-Mejia, Gabriela [EHD <ggarcia- <br />mejia@sjgov.org>; ieff.marasovich@stocktonca.gov; deedee.antypas@stocktonca.gov; richard.stiffler@stocktonca.gov; <br />Scott Moss <Scott.Moss@ponder-env.com >; Young, Holly@Waterboards <Holly.Young@Waterboards.ca.gov>; Murphy, <br />John@Waterboards <John.Murphy@Waterboards.ca.gov> <br />Cc: Tom Landwehr <toml@apexenvirotech.com >; Vincent Blackwood <vblackwood@apexenvirotech.com >; Rodriguez, <br />Ryan@Wildlife <Ryan.Rodriguez@wildlife.ca.gov> <br />Subject: Re: Soil and Water Workplan, 725 W Anderson St/ Spill Report 22-3507 Incident <br />EXTERNAL: <br />Hello, <br />I have reviewed the plan and discussed it with my team. We agree with the plan and approve the proposed sampling <br />methods. <br />Andrew Taylor <br />Environmental Scientist <br />3