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flue 06 01 11 s 03a Donn�Chesney 668--2y588 p. 2 <br /> '71�R <br /> VALLEY AG <br /> IM » CVAwe .- wV Am <br /> E _ <br /> DATE: August 3,2001 <br /> } <br /> V.A.R.Job No: SSCR-06,01A <br /> FOR; Mr. Dan Van Vurco <br /> 17463 East Gawne Road <br /> Stockton, CA 95215 <br /> i <br /> PROJECT: 17463 East Gawne Road <br /> APN 183-10-02 <br /> 1 <br /> SUBJECT: SURFACE AND SUBSURFACE CONTAMINATION REPORT <br /> j ADD1w NDz1M <br /> Reference is made to our Surface and Subsurface Contamination(SSCR)report dated July 12,2001, <br /> Job Numbcr SSCR-06.01. The San Joaquin County ErrvirwirncnEal Hcallh Department has requested <br /> additional information regarding the above-referenced project. After a preliminary review of this report, <br /> it was brought to my attention by the San Joaquin County Environmental Health Department that the <br /> Van Vuren dairy has been permitted as an Organic Dairy for approximately the past two years. On <br /> Pages 1,3 and 4,the SSCR references that the dairy has been in organic production for the past 10 <br /> years, <br /> Due w this discrepancy,the Environmental Health Department has now requested additional <br /> �� information regarding the possibility of pesticide residues within the cropland owned by the Van Vuren <br /> Dairy. According to Mr.Van Vuren,there have been no pesticide applications made to the subject <br /> property for the past ten years. Even if there were pesticide applications made up until the time of <br /> organic milk lsr»ductinn(approximately two years ago),the probability of residual,or degradate <br /> products of pesticides is virtually nonexistent. The only residues which may be present would be the <br /> ` organochlorine degradate compounds from DDT applications such as DDD/DDE,which was used <br /> i extensively until 1471. The newer agriehamieal chemistries have a comparativcly short elivironriieutal <br /> E half-life as documented in the scientific literature. As a Licensed Pest Control Advisor and a recognized <br /> expert in pesticides by the Sate ofCalifornia,it is my opinion that ifthere has been no pesticide <br /> f (herbicide or insecticide)appliudiuns made to the subject property for the past two years,the <br /> probability of residual agrichemicals of newer chemistries within the soil environment is extremely <br /> remote. <br /> If there should be any questions regarding this AddoNm4lease contact the undersigned. <br /> Respectfully submitted, 0. <br /> VALLEY Ag RESEARCH f04a U <br /> Eplres. •� 's <br /> Don Chesney <br /> I Registered Environm tat Assessor#4675 ��� �, CA fad <br /> I , <br /> Licensed Agricultural Post Control Advisor#6237'�'��� <br /> P.O.Box 3794 1 Turlock,California 95381 s (209)668-1403 • Fix(209)658-2598 <br /> E <br /> I � <br />