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October 8, 2020 Lab ID : STK2053437 <br /> Anget Keenan Customer : 3-18565 <br /> Quality Control - Organic <br /> Constituent Method Date/1D Type Units (:one. QC. Data DQO 'Note <br /> Organic <br /> 1,2-Dibronmethune(F,D13) 504 09,127.120211002MCA Blank ug/L ND <0.02 <br /> LCS ug/L 0.2374 92.7% 70.130 <br /> LCS ug/L 0.2854 103% 70-130 <br /> MS ug/L 0.2417 123% 70-130 <br /> (STK2053404-001) MSD ug!L 0.2431 132% 70-130 435 <br /> MSRPD ug/L 0.5707 7.8% 5530 <br /> QMDL ug/L 0.0189$ 142% 60-140 HR <br /> 1,3-Dibromopropane 504 09/27/20:211002 MCA Blank ug/L 0.5508 10990 70-130 <br /> LCS ug;'L 0.5573 131% 70-130 330 <br /> LCS ug/L 0.5693 172°0 70-130 330 <br /> MS ug/L 0.5672 159% 70-130 435 <br /> (STK2053404-001) MSD ug.-'L 0.5707 151% 70-130 435 <br /> MSRPD u 'L 0.5707 4.790 <.0 <br /> Di3CP 504 09/27/20:211002MCA Blank ug.-'L ND <0.01 <br /> LCS ug/L 0.2374 103 00 70-130 <br /> LCS ug!L 0.2854 116% 70-130 <br /> MS ug/L 0.2417 196% 70-130 435 <br /> (STK2053404-001) MSD ug-'L 0.2431 180,1110 70-130 435 <br /> MSRPD ug;L 0.5707 3.30,0 130 <br /> MDL u 'L 0.01895 1390N, 60-140 <br /> 13DBP 504.1 09,28/20:215466MCA CCV ug/L 7.481 148% 70.130 362 <br /> CCV u L 9.975 1429'o 70-130 362 <br /> BCP 504.1 09/28/20:215466MCA CCV ug'L 2.000 108010 70-130 <br /> CCV u 'L 5.000 1120.0 70-130 <br /> EDB 504.1 09,28/20:21i466MCA CCV ug/L 2.000 91.0% 70-130 <br /> CCV a `L 5.000 112 70-1330 <br /> Definition <br /> CCV ;Continuing Calibration Verification-Analyzed to verify the insaument calibration is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> M, S :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries arean indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount ofanalytc.The recoveries <br /> are an indication of how that sample matrix affect.,analyte recovery. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> DQC) :Data Quality Objective-This is the criteria against which the cuality c0111101 darn is Compared. <br /> Explanation <br /> The LCS was out of acceptance limits.Results may be biased high. <br /> 2 :Surrogates are qualified on Control Chart Limits,these are CCV limits.See individual sample reports. <br /> 435 :Sam le matrix may be affecting this analyte.Data was ecce ted based on the LCIS or CCV recovery. <br /> Pugs 8 of 8 <br />