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QUALITY CONTROL REPORT <br /> Laboratory Control Sample <br /> Metals <br /> LP: 11439 Instrument #: ICP1 <br /> Date of Analysis: 03/30/95 Spike Sample ID: LCSS <br /> Date of Digestion: 03/27/95 Spike ID Code: W4-970.9 , 4-1780 <br /> Batch #: 950327-5403 Matrix: Soil Units: m K <br /> (a) (b) (C) (d) (e) (0 (8) <br /> SAMPLE <br /> SAMPLE DUP. ACCEPTANCE <br /> + + SPIKE LIMITS <br /> SAMPLE SPIKE SPIKE SPIKE SPIKE DUP. RPD <br /> METALS CONC. CONC. CONC. REC.% CONC . REC.% % REC% RPD <br /> Sb 0 25 24.8 99 NA NA NA 75 - 125 <20 <br /> Ba 0 100 94.7 95 NA NA NA 75- 125 <20 <br /> Be 0 25 2.4 96 NA NA NA 75 - 125 <20 <br /> Cd 0 25 2.4 96 NA NA NA 75 - 125 <20 <br /> Cr 0 10 9.2 92 NA NA NA 75- 125 1 <20 <br /> Co 0 25 23.2 93 NA NA NA 75 - 125 <20 <br /> Cu 0 125 11.8 94 NA NA NA 75 - 125 <20 <br /> Pb 0 25 23.7 95 NA NA NA 75 - 125 <20 <br /> Mo 0 25 23.8 95 NA NA NA 75 - 125 1 <20 <br /> Ni 0 25 22.7 91 NA NA NA 75 - 125 <20 <br /> Ag 0 25 2.1 84 NA NA NA 75 - 125 <20 <br /> V 0 25 23.6 94 NA NA NA 75- 125 <20 <br /> Zn 0 25 1 23.3 1 93 1 NA NA NA 75 - 125 <20 <br /> Spike Recovery s d — ((c-a)/b) x 100 <br /> Spike Duplicate Recovery — f — ((e-a)/b) x 100 <br /> Relative Percent Difference — g m ( Ic-el )/((c+e) x . 5) x 100 <br /> MBT Environmental Master Buid"r.,; T".h`ioloq <br /> Laboratories ��'I�� <br /> (CN11439) <br />