Laserfiche WebLink
x <br /> '3 - <br /> Y>� <br /> F <br /> FXYlAONYEN�AL <br /> CNEWCALANAL W LABORATORIES, INC. <br /> PETROLEUM J.J.EGLIH.AEG.CHEM.EIIGR. <br /> 4100 PIERCE RD., BAKERSFIELD,CALIFORNIA 93308 PHONE 327-4911 <br /> BTX/M DIESEL <br /> 4jality Control Data <br /> Dames and Moore Spike ID: 6095-3 <br /> 1320 E. Shaw Ave Ste. 110 Analysis mate: 16-Aug-89 <br /> Fresno, CA 93710 <br /> Attention: Burton Gilpin Units: ug/g <br /> Q11ality Control <br /> for Lab Nos: 6095-3, 6095-5, 6095-6, 6095-27, <br /> 6095-29, 6095-31 <br /> One sample in twenty is selected as a representative matrix which is <br /> spiked. The percentage recovery (% Rec) of the spike is a relative <br /> measure of the accuracy 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. Conc. Dup <br /> in Spike Added to Spike Spike Spike <br /> Constituent Sample Spike X Rec % Rec RPD <br /> —-------—..._--------- <br /> ---------------------------------_--------- __ <br /> TPH Diesel 0.00 100.01 109.40 107.18 2.05 <br /> QC Corm)ents: <br /> Spiked Sample Concentration - Sample Concentration <br /> - % Recovery___----------—---------------------------------------X 100 - <br /> (Concentration of Spike) <br /> RPD (Relative Percent Difference) ; <br /> Spiked Sample Conc. - Spiked Duplicate Sample Conc.. <br /> ---------------------------------------------------- X 100 <br /> (Average Concentration of Spikes) <br />