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Jul 30 03 05:54p TT Environmental System (91,L) 858-1011 <br />WNXTAIT Environmental Systems <br />General Contractors - CA Lic #588098 <br />July 30, 2003 <br />Doug Wilson <br />Michelle Sterny-Le <br />County of San Joaquin Environmental Health <br />304 E Weber <br />Stockton, CA 95202 <br />RE: Stockton County Parking Garage <br />121 S San Joaquin, Stockton <br />Dear Doug & Michelle; <br />Tait Environmental Requests reconsideration of the Permit Application for the <br />above -referenced site as follows: <br />The existing vapor pot will be removed and soil samples taken under the vapor <br />pot. The existing piping will be re-routed to enter the sump and be monitored as <br />part of the UST system. In order to accommodate the needed drop for the vapor <br />line to pass the TP201.4 blockage test, a new vapor pot will be installed. <br />Tait proposes to install a Western Fiberglass sump (part no. TAP42B-1685-C), <br />with UL label. Additionally, Tait proposes to install the vapor pot (part no. <br />TA6450) also with a UL label, into the sump. Vapor piping will be connected per <br />existing application scope of work. The sump will be monitored with a Veeder- <br />Root 794380-208 liquid sensor connected to the existing TLS -350 monitor per <br />our current permit application. <br />By installing the vapor pot into the sump, all components contained therein <br />become a system with UL label and approval per the attached UL Letter. Please <br />advise if this will satisfy County requirements for our proposed installation. <br />Attached are supplemental drawings and letters for your information. <br />Thank you, <br />Lori Freshour <br />Compliance Manager <br />3283 Luyung Drive • Rancho Cordova, California 95742 - (916) 858-1090 - (916) i,58-1011 fax <br />Santa Ana • San Diego • Concord - Phoenix • Reno • Las Vegas • Lovelan 9 <br />www.TAIT.com <br />p.2 <br />