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IF RESNA WATERWORK CORP. <br /> INDUSTRIES <br /> E I <br /> I � <br /> s . <br /> January 9, 1994JAN <br /> d t�91 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/uEPViCES <br /> Ms. Diane Hinson <br /> San Joaquin County Public Health Division <br /> Environmental Health Services <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> i <br /> Re: Franzia Brothers Winery, Site Code 1946, 1700 East <br /> — �- -,--aH.ighway 120,--Ripon, CA � <br /> I <br /> Dear Diane: <br /> Initial groundwater monitoring of the well indicated the presence <br /> of low levels (below MCL' s) of petroleum hydrocarbons. Follow-up <br /> analyses did not detect any contamination above detection limits. <br /> We believe installation of two additional monitoring wells at the <br /> subject site is premature at this time and request that Franzia <br /> be allowed to perform quarterly sampling for the next two <br /> quarters to determine whether significant groundwater <br /> contamination exists which warrants additional investigation. <br /> The initial detection of contaminants in the samples could <br /> reflect well contamination by upper soil zone cuttings being <br /> introduced into groundwater during drilling and inadequate well <br /> development. <br /> We will perform the next quarterly sampling in February 1991. <br /> If you have any questions or comments regarding this project, <br /> pleas6'contact me at-your convenience. <br /> Respectfully, <br /> WaterWork <br /> Bill Channell <br /> Senior Geologist <br /> l <br /> BC/tdp <br /> pc: Mac Parnell <br /> 't <br /> 1710 MAIN STREET . ESCALON,CA 95320 • (209) 838-3507 <br /> 2350-A WALSH AVENUE . SANTA CLARA,CA 95051 . (408)496-1249 <br />