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TABLE 1 <br /> LAE30RATORY ANALYSIS RESULTS: TANK EXCAVATION AND PIPE TRENCH SAMPLING <br /> STAGG HIGH SCHOOL {DECEMBER 1990) <br /> HL100814 <br /> Sample Date Lacationa Depthb TEPH TPI-1-G Benzene Toluene Elhylhenzene Xylenes EDB Lead OVAc <br /> Collected (f#} (mg1l(g} (mglKg) (ugll(g) (ug/Kg) (re ll( <br /> rJ g) (ug/Kg) {ugll(g) (mg1L) Reading <br /> (ppm) <br /> 035 12/20/90 <br /> NE Corner of Tank#1 13 <1 NA <1 <1 <1 <1 NA <br /> 0 NA `5 <br /> 036 12/20/9 <br /> NW Corner of Tank 13 <1 NA <1 <1. <1 <1 NA <br /> #1 NA <5 <br /> 037 12/20/90 Piping#1 2.75 <1 NA <1 <1 <br /> 1 <1 NA NA <5 <br /> 038 12/20/90 Piping#2 2.8 <1 NA <1 <1 <1 <1 NA NA <5 <br /> 039 12/20/90 SE Corner of Tank 41 14 1200 NA <1 < <br /> • 1 `1 <1 NA NA <5 <br /> 040 12/20/90 SW Corner of Tank#1 13 <1 NA <1 <1 <1 <1 NA NA <5 <br /> 041 12120/90 Remote fill#1 3 <1 NA <1 <1 < <br /> <1 NA NA <5 <br /> 042 12120!90. Remote fill#2 3 <1 NA <1 <1 <1 <1 NA NA <5 <br /> 043 12/20/00 Remote fill 43 3 <1 NA <1 <1 <1 <1 NA NA <g <br /> 044 12/20/90 Remote fill 04 2.8 <1 NA <1 2 <1 <I NA NA <5 <br /> 045 12/20!90 Remcle fill#5 3 5000 NA <500 <500 950 1400 <br /> NA NA 5 <br /> 046 12/20/90 Remote fill 98 3 3.0 NA <1 <1 <1 <1 <br /> �.-•--- . .__.. .. - 47��i2120190---m <br /> NA- <br /> Remote fill#7= <br /> <1 NA NA <5 <br /> 048 12/20/90 Remote fill 48 3.5 <1 NA <1 i <1 <br /> - NA_ _: r <br /> _- NA: r<5 <br /> _ 49"" 12/20790 afe ft #9 - - <br /> - • Remf 3.5 1.6 NA <1 <1 <1 <1 NA NA <5 — <br /> 050 12120/90 Remote fill#10 3,5 <1 NA <1 <1 <1 <1 <br /> NA NA <5 <br /> 051 12/21/90 Center of Tank f11 16 <1 NA <1 <1 <1 <1 <br /> NA NA <5 <br /> 034 12120/90 Tank 112 7.5 15 290 75 2500 <br /> 1 rJbO 200b0 4.1 <0.5 2500 <br /> a. Refer to Figures 1 and 2 for approximate locations of lanks and sample locations. Tank No. 2 is a 500-gallon gasoline tank. Tank 1 is a 10,000-gallon <br /> diesel tank(Tank No. 1),which requires no further action and is not included on either site map. <br /> b. Deplh below existing ground surface at time of sampling. <br /> G. Concentration in container headspace as measured in the field with a Foxboro-FID portable OVA equipped with a flame ionization detector. Concentrations <br /> are expressed In parts per million (ppm) by volume as melhane equivalent. <br /> TEPH = Semlvolalile Petroleum 1 tydrocarhons identified as diesel <br /> TPH-G =Total Petroleum Hydrocarbons as gasoline <br /> NA=Not Analyzed <br /> <" = Lahoralory Limit of Deleclibn <br />•f <br /> V <br />