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Vicki McCartney [EH <br /> From: Jim Barton [jbarton@waterboards.ca.gov] <br /> Sent: Monday, April 18, 2005 6:16 AM <br /> To: Vicki McCartney[EH] <br /> Subject: Re: Silica Gel Cleanup <br /> Vickie, <br /> Dr. Jon Marshack, Region 5 requests toxicity studies for the polar compounds removed by <br /> silica gel cleanup. To date I am unaware that anyone has provided that information. If <br /> the consultant needs further clarification, please ask them to call me, and I will answer <br /> their questions. Thanks. <br /> Jim <br /> Please note the email change: jbarton@waterboards.ca.gov. <br /> James L.L. Barton, P.G. <br /> Engineering Geologist <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 11020 Sun Center Drive, Suite 200 <br /> Rancho Cordova, CA 95670 <br /> office (916) 464-4615 <br /> fax (916) 464-4797 <br /> >>> "Vicki McCartney [EH] " <vmccartney@sjcehd.com> 04/15/05 04:19PM >>> <br /> Jim, <br /> At the San Joaquin County LOP Unit IV staff meeting on Wednesday, April 13, 2005, I asked <br /> you about reporting diesel and motor oil results using silica gel cleanup. I believe you <br /> said that sample results for diesel and motor oil may be reported using silica gel cleanup <br /> if the samples are also reported without silica gel cleanup, and also "report the toxicity <br /> of the polar compounds" . I really did not understand what you meant by "report the <br /> toxicity of the polar compounds" but I conveyed this request to a consulting firm. Now <br /> the project manager at the consulting firm is asking me what exactly I meant by "report <br /> the toxicity of the polar compounds". Will you please explain what you mean by report the <br /> toxicity of the polar compounds? Thank you. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 304 E. Weber Avenue <br /> Stockton, CA 95202-2708 <br /> Phone: (209) 468-3456 <br /> Fax: (209) 468-3433 <br /> E-mail: vmccartney@sjcehd.com <br /> 1 <br />