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Garrett Backus [EH] <br /> From: Garrett Backus [EH] <br /> Sent: Wednesday, August 29, 2018 2:09 PM <br /> To: 'Meeks, Steven @Waterboards' <br /> Subject: RE: Profleet Lodi - product petroleum spill <br /> Attachments: 20180829140352098.pdf <br /> Steven, <br /> Please see the attached photos taken five weeks after the spill. They roughly show the location of the soil <br /> samples. They also show concrete secondary containment with seams and a lot of continuing seepage. <br /> Garrett <br /> From: Meeks, Steven@Waterboards<Steven.Mee ks@waterboards.ca.gov> <br /> Sent: Wednesday, August 29, 2018 1:49 PM <br /> To:Garrett Backus [EH] <gbackus@sjcehd.com> <br /> Subject: RE: Profleet Lodi - product petroleum spill <br /> Hi Garrett, <br /> At face value the numbers look good, however, are they representative of the issue? It would be nice to have a figure <br /> showing where they collected the samples and a full description of the secondary containment unit (i.e. gravel bottom, <br /> full concrete bottom with no seams, cinder-block walls etc...).The photos give a good sense of where the soil was <br /> excavated and the location of the tanks, but not the sample locations. Do e believe that the secondary containment <br /> bottom also leaked and if so by how much? Could there be floating product under the containment? Even though <br /> motor oil is pretty much insoluble, groundwater is very shallow (10-15 feet deep) in this area and we just want to make <br /> sure we have no floating product. If the bottom is <br /> From: Garrett Backus [EH] [mailto:gbackus@sicehd.com] <br /> Sent: Wednesday, August 22, 2018 9:59 AM <br /> To: Meeks, Steven @Waterboards<Steven.Meeks@waterboards.ca.Bov> <br /> Subject: Profleet Lodi - product petroleum spill <br /> Hi Steven, <br /> An above ground tank in my jurisdiction (Profleet, 15453 N Thornton Rd, Lodi, CA) spilled 4000 gallons of product motor <br /> oil into the secondary containment. Some of the oil seeped through the containment walls laterally. The facility hired <br /> Fremouw Environmental to excavate soil around the containment. Confirmation samples were taken and found TPH- <br /> diesel of 15 ppm and 275 ppm TPH-motor oil remaining in the ground. The facility had Tim Cook, PE write a justification <br /> for closing the site since the residual contamination is below Tier 1 ESLs. <br /> I have attached the data. Also Tim Cook requests that a case be opened on Geotracker(something I've never done), so <br /> he can upload the report. <br /> Can I refer this case to you for evaluation? <br /> Thank you, <br /> Garrett Backus, Ld. Sr. REHS,CUPA programs <br />