Laserfiche WebLink
hE ORGANOCHLORINE PESTICIDES <br /> EPA METHOD 808'1TIVE"Inty MATRIX SPIKE <br /> E;T ,ase `' n ° k QUALITY CONTROL REPORT <br /> rRCtiPiG!l+SOC':5-Oi415.Lt./3di�rR`"ILD�'-ALINt.S <br /> Analyzed By: Dara P.Vongkhampha Reviewed By: Joseph A. Ureno <br /> Date of Extraction: 02124/2003 Date of Analysis: 02125/2003 <br /> Twining Laboratories, Inc. Run ID Number: 022503 Sample Matrix: Soil Sample: Sand <br /> Spike ID: WS 7823 COC Number: 70300847.1-14 <br /> Constituent Matrix Sample Matrix Spike Matrix Spike Matrix Spike Acceptable Matrix 'Matrix Spike Relative, <br /> Concentration Concentration Recovery Duplicate Percent Spike Duplicate Percent <br /> (mgi'kg) Level (mgrkg) Recovery Recovery Percent Percent Difference <br /> (mg/kg) Range Recovery Recovery ('%} <br /> Low High <br /> Lindane(Gamma-BH(') 0.000 0.042 0.043 0.041 52 130 1 97.6 4.8 <br /> Heptachlor 0.001 0.042 0.041 0.039 63 120 95.2 90.5 5.0 <br /> Dieldrin 0.000 0.042 0.038 ().037 58 120 90.5 58.1 2.7 <br /> Endrin 0.000 0.042 0.065 0.064 83 165 162 152 6.1 <br /> EXPLANATIONS,. <br /> D 'von-Detectable;the target analyte was not found above the detectable limit for reporting purposes(D1...R). <br /> mg!kg milligrams per kilogram,parts per million(ppm)concentration units. <br /> Matrix Sample: The matrix sample is the sample chosen for use in the matrix spike analyses. <br /> Matrix Spike: A matrix spike is generated by adding the target analyte(s)into the sample noted above. The matrix spike sample is <br /> analyzed exactly like a regular sample,and its purpose is to determine whether the sample matrix has a measurable effec <br /> on precise and accurate analyte detection and quantification. <br />