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APPENDIX C <br /> Diamond Pet Food Processors of Ripon,LLC June 30,2011 <br /> Report of Waste Discharge—Groundwater Sampling Plan Page 7 of 7 <br /> QUALITATIVE DATA EVALUATION <br /> Following the initial QA/QC checks, all data should undergo a second level of review by graphing <br /> historical time trends and comparing new results with these historical trends to flag visual outliers or <br /> other anomalous data. If a clearly anomalous result is found, a DQR will be initiated with the <br /> laboratory to ascertain if laboratory error is involved. In addition, field information will be checked <br /> for anomalous occurrences or observations that might help to explain an outlier result. <br /> DATA REPORTING REQUIREMENTS <br /> Monitoring data will be submitted in routine monitoring reports that summarize all detection <br /> monitoring activities that took place during the preceding period, and an annual report summarizing <br /> monitoring activities for the preceding year. This year-end report will include graphs of all analytical <br /> data from each monitoring point and background monitoring point, as required, except for those <br /> constituents for which no new data were collected since the previous graph submittal. <br /> DATA RECORDKEEPING REQUIREMENTS <br /> The laboratory maintains all analytical data indefinitely. The laboratory ensures that, at each stage of <br /> a process where a permanent data record is required, security measures are in place to guarantee the <br /> integrity of the data. Standard Operating Procedures are in place for computer security, computer <br /> data storage, and back-up. <br /> 010070.00, Task I Lawrence&Associates <br /> w:Iclientsldiamond pet foods1010107.00-ripon rowdldiamondpet_rowd_june2011 draft.docx <br />