Laserfiche WebLink
APPENDIX A-8 <br /> HUMAN HEALTH SCREENING EVALUATION <br /> SURLAND HOMES PROPERTY <br /> TRACY,CALIFORNIA <br /> PROJECT 6447.007 <br /> FINAL <br /> EMISSION RATES AND AIR CONCENTRATIONS OF VOLATILE COPC FROM SOIL <br /> 7cp-,�rl-r",-" <br /> ol1/Air. Total Emission Rale(Ei) Air <br /> Bulk Soil Air Concentration Air Cancenlration <br /> Concemration Effective Hen s Lawrtitiion <br /> '.. Chemical Surface Soil ryAIpM1v Rnideati.l Residential Nom for VOCs Canter for VOCs Nan- Concentration <br /> DiRvalvity(Dei) Comtavt(11) efficient for non-VOCs <br /> ',... Sitewide (CII (Rss) Cancer cancer lCal cancer(Ca) <br /> (Cn) <br /> Eth Ibenzene 1.5 1.50E-06 6.0E-03 844E-03 440Ea00 79E-02 7OE-05 4.3E-03 9.5E-03 8]E-04 2OE-03 NA <br /> Toluene 004 400E-08 6.2E-03 594E4O 5.14E+00 4]E-02 44E-05 90E-05 20E-04 IBE-05 4.1E-05 NA <br /> Xylenes,Total 3.9 390E-06 70E-03 530E 4.80E,00 4.5E-02 4.7E-05 9.1E-0J - 20E-02 19E-03 4.1E-0] NA <br /> Accan hthene 063 6.30E-07 5.1E-03 120E-03 920E+01 5.3E-04 4.1&07 14E-04 l0E-O4 —2 BE-05 62E-05 NA <br /> Fluorene 14 140E-06 49E-03 642E-05 1.58E+02 I]E-05 12E-08 52E-OS 1.2E-04 LIE-OS 24F.-OS NA <br /> E __ 2 AD,.P.K C 10'mglg <br /> -- T <br /> D„ .P, <br /> a = f <br /> Parameter symbol V.I.. Units <br /> Soil Bulk Density b 1.5 cm3 <br /> Particle Dentity p 2.65 ems <br /> Air Filled Suit P.r.wy Pa 0.284 unitless <br /> En sure Interval-Cancer T.. 9.5E+08 <br /> Exposure Interval-Noncancer Tac 191108 sec <br /> Canveraion Factor from meta cros CF I.Ee03 mg/g <br /> Conversion Factor from g m kg CF,,.A I.E-06 kg/mg <br /> Uttilth of Are.-rceidential LS 22 at <br /> Wind'Pee <br /> d V 2.25 Msec <br /> Miaia Hei ht MH 2 m <br /> Particulate Mauer PMIO 005 <br /> NA-Not Applicable <br /> k�yryal`6W0.W174141 n.76n rud rhe&pm Arkf rMnd.w <br /> I'nyc A n(IA <br /> MMMIEEMEMEMIM <br />