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Oct-08-01 04: 13P • P.09 <br /> ##..I <br /> determined from the lithology and petroleum hydrocarbon screening data obtained during <br /> Sequence 1. Table 1 summarizes the investigation drilling methods for the 19 locations, <br /> Sequence 1 total depths,and Sequence 2 sample intervals for the laboratory analysis of soil <br /> and grab groundwater samples. Table 2 presents the laboratory analytical methods for soil <br /> and groundwater samples. <br /> TABLE 1 <br /> Investigation Methods,Locations,Depths and Analytical Samples <br /> Sequence 2 <br /> Sequence 1 - <br /> Sample Interval for Laboratory Analysis <br /> Drilling Total Depth Soil Groundwater <br /> Method Location (feet) Vadose Zone Water Table Water Table Deep <br /> Direct DP-1 20 X X X - <br /> Push DP-2 20 X X X <br /> using DP-3 20 X X X <br /> Geoprobe DP-4 20 X X X - <br /> Direct DP-5 50 X X X X <br /> Push DP-6 50 X X X X <br /> using DP-7 20 X X X <br /> CPT DP-8 20 X X X <br /> DP-9 20 X X X <br /> DP-10 20 X X X - <br /> DP-11 20 X X X - <br /> DP-12 50 X X X X <br /> DP-13 50 X X X X <br /> Hand HA-1 10 X X X <br /> Auge( HA-2 10 X X X <br /> HA-3 10 X X X - <br /> HA-4 10 X X X _ <br /> HA-5 10 X X X - <br /> HA-6 10 X X X _ <br /> Total 19 19 19 19 4 <br /> Notes: <br /> X=Sample for laboratory analysis,-=no sample for laboratory analysis. <br /> TABLE 2 <br /> Soil and Groundwater Analyses and Analytical Methods <br /> Analysis Analytical Method <br /> All Soil and Grab Groundwater Samples <br /> Benzene,toluene,ethylbenzene,total xylenes(BTEX) EPA Method SW8260B <br /> _ Oxygenates-TBA, MTBE, DIPE,ETBE,and TAME EPA Method SW8260B <br /> TPH-purgeable,gas EPA Method SW8015B <br /> TPH-extractable,diesel EPA Method SW8015B <br /> Select Soil Samples(nine samples total) So`L T-(p f- - <br /> Physical parameters(bulls density,grain-size distribution,intrinsic ASTM Standard Methods <br /> permeability) <br /> Total organic carbon (TOC) EPA Method 415.2 <br /> sCQUW3209.D0C/o1243000 t <br /> 5 <br />