Laserfiche WebLink
r ' <br /> y�f <br /> jti. F <br /> "4 ANALYTICAL METHODOLOGY <br /> i. <br /> i <br /> t <br /> BTEX (Benzene, Toluene, Ethyl Benzene, and Xylenes) by purge & Trap and <br /> ° GC-PID <br /> WATER - Method 602 or 8020 <br /> A 5 ml sample volume, or 5 ml of a suitable dilution, is purged on a <br /> i <br /> suitable purge and trap system with helium. The purged sample is analyzed <br /> on a Gas Chromatograph d °equipped arae the compounds. Detector (FIB). <br /> fa packed column <br /> i ' <br /> to SOIL Method 8020 <br /> into a clean <br /> A 10 gram, or other appropriate aliquot of soil, is weighed <br /> pleddby discarding 2-5 <br /> VOA vial. Sails received in brass care tubes are sampled <br /> s is done to reduce the <br /> centimeters of soil from aeac nf so� tubes <br /> shas lbeen exposed to sampling <br /> possibility of analyzing portion <br /> technique contamination). Equal aliquots of soil are then rem° oba s <br /> each end of the tube and combined in the VOA vial, Soil in jars org <br /> t - ar technique, w <br /> is aliquoted using a similhich discards exposed sample. <br /> surfaces. A 10 ml, ors other <br /> approen priate <br /> the vsollventume �f lUOt ulnaddedol, is <br /> of theextract, or <br /> #' the soil and the soil i <br /> to 5 ml <br /> a reduced aliquot or andlumesuitable <br /> analyzed bybthe same technique used nf <br /> for water <br /> laboratory blank water Y <br /> samples. <br /> lY <br /> 07 - - <br /> '. CHEAVESF ANAWICAL LABORATOa1E5.INC, <br /> i <br /> �I <br />