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Client No: 579 Date: 02-13-91 <br /> Client Name: Weiss Associates <br /> NET Pacific Inc NET Log No: 5829 Page: 11 <br /> Ref: Project: 74--331-04 <br /> 1 <br /> Quality Control Summary <br /> Sample: 5829-73480 <br /> ' Matrix Spike <br /> Ethylene Propylene <br /> Glycol Glycol <br /> Amount in Sample ND ND <br /> Amount Found 9.0 10.5 <br /> Amount Spiked 11.06 10.76 <br /> Percent Recovered 81 % 97.5 % <br /> TEXT <br /> The samples were analyzed on a Varian 6000 gas chromatograph equipped with <br /> a flame ionization detector (FID) . A 30M x 0.53mm DB wax megabore column <br /> was used with temperature programming from 50 deg. C to 150 deg. C at <br /> 10 deg. C/min. <br /> Five (5) grams of soil sample was weighed out and extracted with five (5) mis <br /> of water. <br /> Direct aqueous injection technique was used with a five (5) point calibration <br /> curve to standardize the instrument. A water blank was used as the method blank. <br />