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Page 2 of 3 <br /> From: Jennifer Miller [mailto:jmiller@airtoxics.com] <br /> Sent: Tuesday, May 26, 2009 2:31 PM <br /> To: Vicki McCartney [EH] <br /> Cc: Jennifer Miller <br /> Subject: RE: Motor Oil Analysis <br /> Vicki, <br /> A sorbent would be utilized to capture the heavier range hydrocarbons, however, we will not be able to <br /> calibrate using motor oil standard due to the non-volatile portion of the oil. While some of the oil will <br /> volatilize upon loading onto the tube, the heavier components will "gunk" (technical term) up the tube and <br /> the calibration loading station. Regardless of this limitation in calibration, we can evaluate hydrocarbon <br /> ranges up to about C26 though desorption efficiency decreases past about C22. We could provide a TPH <br /> referenced to diesel and provide a diesel range as well as a >C19 range reference to diesel. <br /> Hope this helps. Please let us know if you have any other questions. <br /> Best Regards, <br /> Jennifer Miller <br /> Technical Sales <br /> Air Toxics Ltd. <br /> 180 Blue Ravine Road, Ste. B <br /> Folsom, CA 95630 <br /> 916/605-3408 <br /> jmiller@airtoxic-s.com <br /> 211 <br /> A=T=cE LTD. <br /> , « c t .www.airtoxics.com <br /> 800-985-5955 <br /> Celebrating 20 Years of Excellence <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Tuesday, May 26, 2009 1:11 PM <br /> To: J.Miller@airtoxics.com <br /> Subject: Motor Oil Analysis <br /> Good afternoon, Jennifer. <br /> I have another question to ask of you. Is there an air method for analyzing soil gas samples for motor oil? <br /> I recently directed a party to analyze soil gas samples for motor oil. The consulting firm for the party has <br /> indicated that it can not find a method for analyzing motor oil in soil gas. I appreciate any information you <br /> may have concerning this matter. <br /> Thank you. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 5/26/2009 <br />