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Alpha Analytical, Inc. <br /> 255 Glendale Ave, • Suite 21 • Sparks, Nevada 84431-5778 <br /> (775) 355-1044 • (775) 355-0406 FAX • 1400-283-1183 <br /> Date: QC SReport <br /> Work Order: <br /> Summary <br /> 23-Dec-14 `< p 14030442 <br /> Comments: - <br /> Calculations are based off of raw (non-rounded) data However, for reporting purposes, all QC data is rounded to three significant figures. Therefore, hand calculated <br /> values may differ slightly. <br /> R5 = MS/MSD RPD exceeded the laboratory control limit. Recovery met acceptance criteria. <br /> R58 = MS/MSD RPD exceeded the laboratory control limit. - - <br /> S55 = Surrogate recovery was above labomtory acceptance limits. _ <br /> M2 = Matrix spike recovery was low, the method control sample recovery was acceptable. <br />