Laserfiche WebLink
TABLE 1: LABORATORY ANALYSIS RESULTS FROM TANK EXCAVATION <br /> AND PIPE TRENCH SOIL SAMPLING AT STAGG HIGH SCHOOL <br /> STOCKTON UNIFIED SCHOOL DISTRICT <br /> HLI 0089002 <br /> Sample Date Location Depth TEPH TPH-G Benzene Toluene Ethylbenzene xylenes Ethylene Lead OVAc <br /> Collected (ft) (mg/Kg) (mg/Kg) (ug/Kg) (u9/Kg) (ug/Kg) (ug/Kg) Dibromide (mg/L) Reading <br /> (us/Kg) (Ppm) <br /> 035 12/20/90 NE Corner of Tank #1 13 <1 NA <1 <1 <1 <1 NA NA <5 <br /> 036 1 12/20/90 NW Corner of Tank #1 13 <br /> <1 NA <1 <1 <1 c1 NA NA <5 <br /> 037 12/20/90 Piping #1 2.75 <1 NA <br /> cl <1 <1 <} NA NA <5 <br /> 038 12/20/90 Piping #2 2.8 <br /> <1 NA cl <1 <1 <1 NA NA <5 <br /> _ NA NA <5 <br /> 039... .. .-12/20/90 LL" SE Corner 'df-Tank #1.--- � 14'--=`'-°i 200--� -_ �.NA�.LL <br /> 040 12/20/90 53r Corner of Tank #1 13 <1 NA <br /> <1 <1 <l <1 NA NA <5 <br /> 041'' 12/20/90 Remote fill #1 3 �~<1'-� NA=` <1 i �=-117'-- - <br /> 042 12/20/90 Remote fill #2 3 <br /> cl NA <1 <1 c} <1 NA NA <5 <br /> 043 12/20/90 Remote fill #3 3 <br /> <1 NA <1 <1 <1 <1 NA NA c5 <br /> 044 12/20/90 Remote fill #4 2.8 <1 NA <1 2 <1 <1 NA NA <5 <br /> 045 12/20/90 Remote fill #5 3 5000 NA <500 <500 950 '1400 NA NA 5 <br /> 046 12/20/90 Remote fill #6 3 3.0 NA <br /> <l <1 <} <} NA NA <5 <br /> NA NA <5 <br /> 047 12/20/90 Remote fill #7 3 <br /> <1 NA <1 cl <1 cl <br /> 046 12/20/90 Remote fill #8 3.5 <br /> <1 NA <1 1 <1 2 NA NA <5 <br /> 049 12/20/90 Remote fill 09 3.5 1.6 NA <br /> <1 <1 <} <1 NA NA c5 <br /> 050 12/20/90 Remote fill #10 3.5 <br /> <1 NA <1 <1 <1 NA NA <5 <br /> cl <br /> 051 12/21/90 Center of Tank #1 16 <br /> <1 NA <1 <1 <1 cl NA NA <5 <br /> 034 12/20/90 Tank #2 7.5 15 290 75 2506 1900 20000 4.1 <br /> <0.5 2500 <br /> a. Refer to Figures 1. 2, and 3 for approximate locations of tanks and sample locations. Tank Nos. 1 and 2 are 10,000-gallon diesel and 500-gallon <br /> gasoline tanks, respectively. <br /> b. Depth below existing ground surface at time of sampling. <br /> C. Concentration in container headspace as measured in the field with a Porta-FID portable OVA equipped with a flame ionization detector. Concentrations <br /> are expressed in parts per million (ppm) by volume as methane equivalent. <br /> TEPH = Semivolatile Petroleum Hydrocarbons identified as diesel <br /> TPH-G Total Petroleum Hydrocarbons as gasoline <br /> NA = Not Analyzed <br /> "<" Laboratory Limit of Detection <br />