Laserfiche WebLink
LABORATORY CONTROL SPIKE/LABORATORY CONTROL SPIKE DUPLICATE <br /> PESTICIDES <br /> Analytical Method. EPA 8080 <br /> Preparation Method- EPA 3550 <br /> ' Date Prepared 11/01/95 11 15 Lab ID 29621-LCS /7536 <br /> Initial Wt /Volume 30 grams Matrix Soil Units ug/Kg (pnb) <br /> Final Volume 5 mL Batch Number 400951101 <br /> LCS Date Analyzed 11/02/95 LCSD Date Analyzed NA <br /> Instrument/Column pgc05/RTX-35 <br /> ' Analyst LLI Data File 95303m36-0 <br /> (a) (b) (c) (d) (e) (fl (8) <br /> Sample <br /> Sample Dup Acceptance <br /> + + Spike Limits <br /> Sample Spike Spike Spike Spike Dup RPD <br /> Analyte Conc Conc Conc Rec % Conc Rec % % % Rec RPD <br /> gamma-BHC (Lindane) 0 42 41 98 NA NA NA 46-127 s50 <br /> Heptachlor 0 42 42 100 NA NA NA 35-130 s3l <br /> Aldrin 0 42 3 4 81 NA NA NA 34-132 s43 <br /> Dieldrin 0 8 3 8 2 98 NA NA NA 31-134 s38 <br /> Endrin 0 8 3 8 5 102 NA NA NA 42-139 s45 <br /> 4,4'-DDT 0 8 3 181 98 NA NA NA 23-134 s50 <br /> Spike Recovery = d = ( (c-a) /b) x 100 <br /> Spike Duplicate Recovery = f = ( (e-a) /b) x 100 <br /> Relative Percent Difference = g = ( Ic-el ) / ( (c+e) x 5) x 100 <br /> (h) (1) 0) (k) (1) <br /> Sample Sample <br /> + Dup <br /> Surf Surr Surr + Surr <br /> Spike Spike Spike Surr Spike Acceptance <br /> Surrogate Conc Conc Rec % Spike Conc Dup Rec % Limits <br /> ' Tetracilloro-m-xylene 8_3__ 85 102 NA NA 60-150 <br /> Surrogate a Recovery = 3 = (i-h) x 100 <br /> Surrogate Duplicate Recovery = 1 = (k/h) x 100 <br /> The cover letter and enclosures are i777 <br /> ort <br /> Approved by Date //—S—`•' <br /> MBT ZrironmentWal Master Builders Technologies <br /> Labories <br /> Report Generated 11/47/95 �„ Page 1 <br />