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i <br /> The calculated average TPH-d concentration was 5,620 mg/kg,which is equivalent to 0 00562 grams(9)/9 <br /> Convertmg 51 yd'of petroleum hydrocarbon-impacted soil to cubic centimeters(ciri3)(i e l yd3=764,555cm) <br /> i yields approximately 38,992,305 cm3 Using 1 5 g/cm3 as the weight of soil,the total weight of contaminated <br /> soil is approximately 584,488,458 g <br /> iUsing 0 00562 g/g as the"average"concentration of TPH-d in soil,the volume of TPH-d is <br /> weight of soil•average TPH-d concentration —!594,488,458 g •0 00562 g/g=328,705 g TPH-d <br /> i = 725 pounds of TPH-d <br /> Converting grams of TPH-d to volume(gallons)using density of TP1I-g(0 84 g/cm3) <br /> i 328,705 g TPH-d—0 84 g/crii'=391,315 cm3 <br /> 391,315 cm' -(1 gallon—3,785 cm3) = 103 gallons of TPH-d <br /> i Volume B. <br /> MWl-15- 130 milligrams per kilogram(mg/kg) <br /> MW 1-25-43 mg/kg <br /> i 135-5- 160 mg/kg <br /> B5-10-530 mg/kg <br /> B5-15 -970 mg/kg . <br /> i <br /> 135-20-79 mg/kg <br /> The calculated average TPH-d concentration in Volume B was 319 mg/kg,which is equivalent to 0 000319 <br /> gram(g)/g <br /> 1 <br /> Converting 4,652 yd3 of petroleum hydrocarbon-impacted soil to cm'[1 e 1 yd'=764,555 cents neter(cm3)] <br /> yields approximately 3,556,709,860 cm3 Using 15 g/cm3 as the weight of soil,the total weight of contaminated <br /> ' soil is approximately 5,335,064,790 g <br /> Using 0 000319 g/g as the"average"concentration of TPH-d in soil,the volume of TPH-d is <br /> i weight of soil-average TPH-d concentration—>5,335,064 g -0 000319 g/g= 1,701,885 g TPH-d <br /> =3,752 pounds of TPH-d <br /> Converting grams of TPH-d to volume(gallons) using density of TPH-g(0 84 g/--M') <br /> i 5,335,064 g TPH-d—0 84 g/crn3=6,351,267 cm' <br /> ' 6,351,267 cm3 •(1 gallon—3,785 cm3) = 1,678 gallons of TPH-d <br /> Total mass of TPH-d remaining mass of Volume A+mass of Volume B=725 pounds+3,752 pounds <br /> =4,477 pounds TPH-d <br /> Total volume of TPH-d remaining—1�Volume A+Volume B=163 gallons+I;678 gallons=1,781 gallons TPH-d. <br /> i <br />� I • <br /> iAdvanced GeoEnvironmental,Inc <br /> i <br />