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ENGINEERING. <br /> SCIENCE, AND <br /> TECHNOLOGY, INC. <br /> Dan Moe 8 September 1987 <br /> San Joaquin Local Health District Page 2 <br /> recorded. The samples are collected through a septum with a <br /> microsyringe and injected into a gas chromatograph for analysis. <br /> The probes do not excavate, auger, or in any way remove any soil <br /> material, the small diameter holes ( 5/8-inch ) generally self heal <br /> quickly. When penetration of pavement is necessary the hole is <br /> patched with either cold patch or cement. <br /> A typical SVCA will have between 10 and 20 sampling points and <br /> will be completed in one working day. <br /> Included with this letter of proposal is an application for <br /> permit, in triplicate. Thank you. <br /> Sincerely, <br /> Robert M. Gray <br /> RMG:ds <br /> Enclosures <br />