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Fes-19-03 051051't1 FROtF111C305EPTE[ 3488553515 -315 P.71/Oct 1-408 <br /> 217 t2J4aId+Or.,Swte C. <br /> LAquna rfiNtU 92653 <br /> e1944.8553700 <br /> AdMIL <br /> MZ C I �V) .V 7 ep"Tr www.n+iueseMec.mm <br /> r Y' V cmad nKnrtapcar3maaSnC[eC.com <br /> �r <br /> February 19, 2003 <br /> .toe Murphy <br /> Dillon &Murphy <br /> 1820 W. Kettleman Lane, Suite E <br /> Lodi, California 95242 <br /> F o. 209-134-0723 A Pa es TOM1 <br /> SUBJECT: PROPOSED COMMERCIAL CENTER. MANTECA, CALIFORNIA <br /> Dear Mr. Murphy: <br /> I have attached performance data from several of the EnviroServer systems in operation In <br /> various types of soil. Of course.you and Berrie are correct in saying that the type of soil does not <br /> matter since the treatment is taking place inside the tank.Ali the samples in the etmched table <br /> were taken at the output of the tank before entering the dispersal field- <br /> 1 do not have at11i spec al design criteria for leach areas in sandy soils, but Bernie miry be able to <br /> help you. Bemidt 456-gave me a reference regarding {indicting den¢rifieaaon in Sand'soils by <br /> Hant niche&Finnemore(Ground Water V01.30, No-4).They predict 10%in sandy soils and 35% <br /> in clay soils. I wtll try to find the actual paper and send you a copy. <br /> I assume you got a copy of Me letter I sent to Ray Borges in November since you ani working with <br /> Mark Hatcher. In that letter.I am updating 416 Nitrate loading calculations previously provided <br /> based on the test results from our other system in Tracy and assuming 0%denitrificaxn in the <br /> soil to be conservative. I have not reeotved a response from Ray. <br /> If you need anything else, please contact Bemte Oleg at 2n&832-2910, or nrMlf at 94155- <br /> 3500 ext107. <br /> Sin``cereRRlyy^yours. <br /> \ vV ` <br /> Tina Elva n.P.E. <br /> Vice President ring <br /> cc: Bernie Dietz(Fax No.: 209-833-1288) <br /> Our Mlssion:To provide wastewater treatment systems that protect the public nealth and ptatNarve the environment <br />