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Table 7 <br /> Summary of Calculated Risks/Hazards <br /> Inhalation of Indoor Air <br /> Maximum Reported Indoor Air <br /> Concentration Noncancei Hazard <br /> Compound Concentration Excess Cancer Risk- Quotient <br /> (µg/L) (mg/m3) <br /> TPH Aliphatic C5-6 3,100 4.40E-03 NA 5.70E-05 <br /> TPH Aliphatic C6-8 3,100 538E-03 NA 7.00E-05 <br /> TPH Aliphatic C8-Io 3,100 7.15E-03 NA 1.70E-03 <br /> TPH Aliphatic CIO-12 3,100 9.90E-03 NA 2.40E-03 <br /> TPH Aliphatic C12-16 3,100 3.33E-02 NA 8.00E-03 <br /> TPH Aliphatic C16-35 3,100 0.37 NA NA <br /> TPH Aromatic C5-7 3,100 2.13E-03 NA 1.3E-03 <br /> TPH Aromatic C7-8 3,100 2.17E-03 NA 1.3E-03 <br /> TPH Aromatic C8-10 3,100 2.31E-03 NA 2.7E-03 <br /> TPH Aromatic CIO-12 3,100 1.94E-03 NA 2.3E-03 <br /> TPH Aromatic C12-16 3,100 1.45E-03 NA 1.7E-03 <br /> TPH Aromatic C16-21 3,100 6.32E-04 NA NA <br /> TPH Aromatic C21-35 3,100 4.78E-05 NA NA <br /> Benzene 1.4 2 9.24E-07 5.8E-10 7.0E-06 <br /> MTBE 1.9 3 4.07E-07 NA 3.10E-08 <br /> 1,2-DCA 3.3 4 1.26E-06 2.70E-09 NA <br /> TOTAL NA NA 3.28E-09 2.15E-02 <br /> TPH-g = Total petroleum hydrocarbons as gasoline(C5-C12) <br /> TPH-d = Total petroleum hydrocarbons as diesel(C10-C28) <br /> TPH-mo = Total petroleum hydrocarbons as motor oil(C24-C36) <br /> 1,2-DCA =1,2-Dichloroethane <br /> NA =Not analyzed/Not available <br /> Notes: <br /> I Maximum concentration(over previous 5 quarters)from groundwater monitoring well MW-5;reported for <br /> 2/24/09 sampling event. <br /> 2 Maximum concentration(over previous 5 quarters)from groundwater monitoring well MW-5;reported for <br /> 11/20/o8 sampling event. <br /> 3 Maximum concentration from grab groundwater sample from soil boring B-17 on 6/16/08 <br /> 4 Maximum concentration(over previous 5 quarters)from groundwater monitoring well MW-7;reported for <br /> 8/28/10 <br /> 5 No Reference Doses are published(i.e.,no toxicity is indicated)for heavier grade TPH carbon chain compounds <br /> (TPH AliphaticC16-35;TPH Aromatic C16-21 or C21-35)• <br />