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Sequoia <br /> ' Analytical <br /> FAC SIMILE MEMORANDUM <br /> 1 <br /> Date: 2126/02 <br /> ' To: Harlan Knoll <br /> Phone: 209-468-3442 <br /> ' Fax: 209-466-3433 <br /> cc: Bob Nicholson fax# 249-369-4228 <br /> From: Ron Bobel <br /> 1 <br /> gpo* <br /> (=tudsns cover] Hard Copy to Fallow: Yes_ No <br /> Subject: Nzvy Drive UST Closwre <br /> Sequoia Project: S105377 <br /> Mr If00%I had our Walnut Creek facility, which analyzed the <br /> BTEX data, review the results reported for this project. The Lab <br /> Director for the facility said that they have set up BTEX analysis <br /> using the extraction mass/volume to calculate the final results. <br />' The analyst in this case purged 250 ul of a 5ml McOH extract, <br /> that is reflected as a 20X dilution in the data. The MDL's and <br /> PQL's are calculated accordingly and the results reported are <br /> correct. <br /> 819 Striker Avenue, Suite 8 <br /> Sacramento, CA 95834 <br /> c, <br /> Phone (916) 921-9600 Fax(916) 921-0100 'a <br /> b�T d ous/bronn3s Wdir Eo E0, 9? a31 <br />