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Pan-Ag Environmental Labs <br /> METHOD CONTROL SPIKE(MCS)REPORT <br /> ' Matrix: Soil <br /> Metals Analysis and Preparation <br /> QCB : 81094-3050-1 <br /> Percent <br /> ' Amount Result Recovery Recovery RPD <br /> Spiked MCS-1 MCS-2 Control Control <br /> Cone. Cone. Cone. MCS-1 MCS-2 RPD Limits Limits <br /> Parameter mg/Kg mg/Kg mg/Kg % % % % % <br /> Cadmium 0.100 0.102 0.100 102% 100% 1.9% 80 - 120 f 20 <br /> Chromium 0.100 0.113 0.106 113% 106% 6.9% 80 - 120 ±20 <br /> Lead 0.500 0.482 0.471 96.5% 94.2% 2.4% 80 - 120 f 20 <br /> Nickel 0.200 0.206 0.201 103% 101% 2.2% 80 - 120 #20 <br /> Zinc 0.100 0.113 0.116 113% 116% 2.3% 80 - 120 +20 <br /> ' NC=Not Calculated,calculation not applicable. <br /> NA=Not applicable. <br /> lie QCB=Quality Control Batch (ie. QCB Prep. Date-Method#-Set#) <br /> 1 <br /> 1 <br /> 1 <br /> r <br /> r <br /> r <br /> 28 <br />