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•1 <br /> Heterotrophic Plate Count <br /> Phosphate <br /> Ammonia Nitrogen <br /> Chemical Oxygen Demand <br /> Bialogicai oxygen Demand <br /> III't Additionally, quarterly groundwater monitoring and sampling will be conducted <br /> for the three perimeter monitoring wells at this time. <br /> The ORCS is anticipated to last from three to six months. At the end of-the third - <br /> month, the potency of the ORCO will be evaluated and, if found to be sufficient, <br /> a second three-month monitoring-episode will be conducted. <br /> Task 4--OKS Evaluation <br /> Upon depletion of the 01RCR, the sock will be removed and the wel€s will be <br /> allowed to stabilize. Upon stabilization, a complete quarterly sampling and <br /> monitoring episode ►+viii be conducted.. Results of the quarterly sampling, along <br /> Ilk with the monthly data measured during the ORCO placement, will be used to <br /> evaluate the effectiveness of ORCO at the site. <br /> If found to be effective, then the degree of biodegradation will be evaluated and <br /> a decision made as to whether additional ORC(& should be installed. if <br /> warranted, a second application and/or a more aggressive approach to the <br /> ORCe placement will to proposed. <br /> ' <br /> We will keep you Informed of our progress and proposed activities. Copiesf all a <br /> documents will be forrded.to both your office and the Regional Water Quality C <br /> w.aontrol <br /> Boca. In your directive, please indicate the person to whom we should address all <br /> Regional Board correspondence. <br /> Please feel free to call if you have any questions. <br /> Respectfully, <br /> JJW GEOSCIENCES Irtc. <br /> Daniel D. Dottai <br /> t <br /> cc: Mr, Luis Lechich, Valley Showcase <br /> r Mr. Bill Nunter, . Aiam J. Hunter&Associates <br /> Mr. Don Light, De�-Tech <br /> f <br /> r <br />