Laserfiche WebLink
i <br /> Waste Oil UST pit(Sept 1989) <br /> Volume of Area 3 (V3)= (16 feet) X(5 5 feet) X (15 feet) <br /> = 1,320 ft3 =49 yds3 = 64 tons <br /> Average TPH <br /> concentration=Avg Concentration of Samples S-1 and S-2) <br /> =299 ppm <br /> (The average concentration is considered conservative <br /> Additionally,the estimated area of excavation is based on the <br /> assumption that impacted soil was present at uniform concentration <br /> and was excavated to a total depth of 15 feet bgs by the compliance <br /> sampling activities ) <br /> Mass TPH Removed <br /> in Area 3 = [(V3) X(2,000 lbs/ton) X (299 ppm)]/lE6 <br /> = 38 pounds <br /> Waste Oil UST pit(Dec 1991) <br /> Volume of Area 4 (V4) = 15 yds3 = 20 tons <br /> Average TPH <br />• concentration= Avg Concentration of Spoils Samples CWS-1 <br /> and CWS-2 <br /> 1,970 ppm <br /> Mass TPH Removed <br /> in Area 4= [(V4) X (2,000 lbs/ton) X (1,970 ppm)]/1 E6 <br /> = 79 pounds <br /> Total Mass of TPH Remediated = 964 pounds <br /> Summary of Data <br /> Total Original Mass of TPH = 1,213 pounds <br /> Total Mass of TPH Remediated = 964 pounds <br /> Total Mass of TPH Remaining= 249 pounds <br /> i <br /> 9201036A/MASSSAL DOC June 4, 1997 <br />