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September 5 2001 <br /> A quality control officer at the lab will verify integrity of sample submitted, proper sample <br /> volume, correctness of containers used, and properly executed Chain-of-Custody Form. <br /> Pertinent information will be entered into a log book kept by the laboratory. <br /> 6.3 Analytical Quality Assurance <br /> In addition to routine calibration of analytical instruments with standards and blanks, the analyst <br /> is required to run duplicates and spikes on 10 percent of analyses to assure an added measure <br /> of reliability and precision. Accuracy is verified through the following: <br /> 1. U.S. EPA and State certification of results; <br /> 2. Participation in inter-laboratory round robin program; <br /> 3. "Blind" samples are submitted for analysis by the quality control officer <br /> on a weekly basis; these are prepared from National Bureau of <br /> Standards specifications of EPA reference standards; <br /> 4. Verification of results with an alternative method. <br /> 7.0 SITE SAFETY PLAN <br /> Appendix A contains a Site Safety Plan, which complies with Worker Right to Know Regulations <br /> and CCR Title 2 <br /> 7.0 LIMITATIONS AND REPORT CERTIFICATION <br /> E2C has prepared this Workplan in accordance with generally accepted standards of care <br /> existing in California at this time. It should be recognized that definition and evaluation of <br /> geologic conditions is a difficult and inexact science. Judgments leading to conclusions and <br /> recommendations are generally made with limited knowledge of surface conditions present. No <br /> warranty expressed or implied is made. <br /> This workplan has been prepared by E2C Remediation, LLC under the professional supervision <br /> of the registered professional whose seal and signature appear herein. The conclusions of this <br /> report are based solely on the Scope of Services outlined and the sources of information <br /> referenced in this report. Any additional information that becomes available concerning the Site <br /> should be submitted to E2C so that our conclusions may be reviewed and modified, if <br /> necessary. <br /> Reviewed By: <br /> Prepared By: <br /> �= <br /> GOA4 G alwin, R.G. #4779 <br /> i iam A. Lawson, R`G. #717 <br /> v o2 �Q eg. Expires 11/30/02 <br /> Senior Geologist E;cp.S�3/-�Z 1 pricipal Hydrogeologist <br /> �r * Evo 479 <br /> ?9 I f <br /> J'> No.7 1 <br /> �r <br /> T <br /> OF r,F.LL o <br /> 6 <br /> E2C Remediation,LLC <br />