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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 S of 7 <br /> LABORATORY ANALYSIS PLAN <br /> This section describes the procedures for completing successful laboratory analyses of the samples <br /> that are collected from the site. <br /> Trip blanks, equipment blanks, blind duplicate samples, and field blanks provide quality <br /> assurance/quality control measures for the monitoring program. <br /> TRIP BLANKS <br /> Trip blanks are used to detect contamination that may be introduced in the field(either atmospheric <br /> or from sampling equipment), in transit(to or from the sampling site), or in the bottle preparation, <br /> sample log-in, or sample storage stages at the laboratory. Laboratory method blanks are used during <br /> the analytical process to detect any laboratory-introduced contamination that may occur during <br /> analysis. <br /> Trip blanks are samples of organic-free water(e.g., deionized)prepared at the laboratory. They <br /> remain with the sample bottles while in transit to the site, during sampling, and during the return trip <br /> to the laboratory. Trip blank sample bottles must not be opened at any time during this process. <br /> Upon return to the laboratory, trip blanks will be analyzed using the same procedures and methods <br /> that are used for the collected field samples. <br /> Trip blank results will be reported in the laboratory results as separate samples,using the <br /> designations TB-(well#) as their sample point designation. <br /> BLIND DUPLICATE <br /> Blind duplicate samples can be collected immediately following collection of the primary sample to <br /> check the consistency of the analytical results. <br /> EQUIPMENT BLANKS <br /> Equipment blank samples are collected from rinsing a disposable bailer with laboratory supplied <br /> deionized water. Equipment blank samples are collected to insure the equipment is not <br /> contaminating the sample and thus giving false detections. <br /> FIELD BLANKS <br /> Field blank samples are prepared on site using laboratory supplied certified deionized water. Field <br /> blank samples are used to assess whether or not atmospheric conditions may be contaminating <br /> samples. <br /> 010070.00, Task I Lawrence&Associates <br /> w:Iclientsldiamond pet foods1010107.00-ripon rowdldiamondpet_rowd_june2011 draft.docx <br />