Laserfiche WebLink
LABORATORY CONTROL SPIKE/LABORATORY CONTROL SPIKE DUPLICATE <br /> EPA 8015 MODIFIED <br /> TOTAL EXTRACTABLE PETROLEUM HYDROCARBONS <br /> Preparation Method- EPA 3510 <br /> Date Prepared 11/01/95 07 50 Lab ID 29282-LCS 17948 <br /> Initial Wt /Volume 1000 mL Matrix Water Units m /L m <br /> Final Volume 1 mL Batch Number 3966-951101 <br /> LCS Date Analyzed 11/02/95 LCSD Date Analyzed NA <br /> (a) (b) (c) (d) (e) (g) <br /> Sample <br /> Sample Dup Acceptance <br /> + + Spike Limas <br /> Sample Spike Spike Spike Spike Dup RPD <br /> ' Analyte Conc Cone Cone Rec % Conc Rec % % % Rec RPD <br /> TPH (Extractable) (C7-02) 0 25 22 87 NA NA NA 34-153 s25 <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 /> i <br /> � 1 <br /> 1 <br /> 1 <br /> The cover letter and enclosures are i gral parts -hits report <br /> Approved by Date i-C- <br /> MBT (9/n%ironmental '� � Master builders Technologies <br /> Labores <br /> ' Report Generated 11/06195 '' '� Page 1 <br />