Laserfiche WebLink
i, <br /> • fNYM4+MrfMGL <br /> LABORATORIES, INC. <br /> J.i,rc-L m,AEo.C11[M.[NOM. <br /> 4100 PIERCE AD„ SAKEASFIELA,CALIFOANIA 93340 PMONE 347.4911 <br /> BTX/1?11 GASOLINE <br /> Quality Control Data <br /> ` Water Bork Spike 1n: 9419-2 <br /> 1710 Main St Analysis Data: 29-NOv-89 <br /> Escalon, CA 95320 eaurple} Mntrix: Soil <br /> Attention: Units: Wt/B <br /> Quality Control <br /> for lab Nos: 9302-1 <br /> One ssmle in twenty is selected as a representative iratrix which is <br /> spiked. The percentage recovery (% Rec) of the spike is a relative <br /> treasure of the aomwaey of the analysis. The comparison of the spike <br /> with a duplicate spike is a measure of the relative precision of the <br /> analysis. <br /> conc. (;cmc• »Y <br /> in SpiM Added to Spike Spike Spike <br /> Constituent Sample Spike % Rec % per_ RPD <br /> Benzene 0.00 5.02 106.72 104.12 2.47 <br /> Tolue" 0.00 5.16 102.79 100.28 2.47 <br /> Stro►18enteule 0.00 5.01 106.97 104.20 2.62 <br /> p-Wene 0.00 5.06 105,04 102.54 2.41 <br /> t..xylme 0.00 5.01 109,47 108.70 2.56 <br /> 0-Xylene 0.00 5.00 108.97 106.45 2.34 <br /> TPH Gas 0.00 301.08 85.27 87.04 2.05 <br /> QC corm nts: <br /> spiked Sample Concentration - Swaple concentraticrri <br /> % Recovery - -------------------------------------------------- X 100 <br /> (Ccmoentration of Spike) <br /> PPD (Relative Percent Difference) = <br /> Spiked Sample Cone. - Spiked Duplicate Sample Conc. <br /> --------------------••-- -------------------- -------- x 100 <br /> (Avenge! Conc. of Spikes) <br />