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,f <br /> Mike Infurna <br /> rom Marty Hartzell [HartzeM@rb5s swrcb ca gov] <br /> WEent <br /> Friday, January 12, 20012 30 PM <br /> o jauchterlorne@secor corn <br /> Cc minfurna@phs hs co san-aoaquin ca us <br /> Subject Re Fw Project Ranch Market, 18926 ng <br /> Hello Jaff, <br /> Thanks for the updated info Toluene is a common constituent in glues, <br /> adhesives, etc, and this low detection is most likely a result of new <br /> well and pump installation I suggest you pump many casing volumes out <br /> of the well and analyze another sample Marty <br /> >>> "Jaff Auchterlonze" <jauchterlonie@secor com> 01/12/01 02 07PM >>> <br /> Marty <br /> On Thursday January 10, 2001, SECOR collected a Second water sample from <br /> the <br /> newly installed well, DW-2R, located on the Pantoja Property in <br /> Riverbank, <br /> CA Since the first water sample collected on 1/8/01 contained 46 ug/L, <br /> a <br /> second confirmation water sample was collected <br /> The sample was analyzed by Kiff for BTEX, TPHg, and MtBE using EPA <br /> Method <br /> 8620B (see attached file) and reported to contain 5 ug/l Toluene (well <br /> below <br /> the 1998 California DHS Primary MCL of 150 ug/L) <br /> 0 will FAX the data over to Mike Infurna with SJPHD today <br /> Please call me so we can discuss the sample results <br /> Jaff Auchterlonie <br /> SECOR Project Manager <br /> 916-861-0400 ext 223 <br /> • <br /> 1 <br />