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Appendix D Food Codes for NHANES - OEHHA

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SRP Review Draft Version 2 June, 2012<br />

Table H.9-3 Arsenic field studies on protected crops.<br />

Study Type<br />

soil<br />

conc<br />

bckd<br />

(mg/<br />

kg)<br />

soil<br />

conc<br />

contam<br />

(mg/kg)<br />

Crop<br />

Name<br />

tissue<br />

conc<br />

bckg<br />

dry wt<br />

(mg/kg)<br />

tissue<br />

conc<br />

contam<br />

dry wt<br />

(mg/kg)<br />

H-19<br />

dry-towet<br />

wt<br />

conversion<br />

factor<br />

Uptake<br />

factor<br />

(contam)<br />

wet wt<br />

plant/dw<br />

soil<br />

Uptake<br />

factor<br />

(contam)<br />

ww<br />

plant/we<br />

t w soil Reference<br />

25% mine waste - greenhouse 23.3 187 bush bean 0.184 0.304 0.099 0.00016 0.0002 Cobb et al., 2000<br />

field-fly ash - pot 8.8 9.5 corn 0.1 0.2 0.895 0.02 0.025 Furr et al. 1978<br />

field<br />

field<br />

field<br />

field<br />

mining, smelting-field<br />

air dep, mine waste, poll. Water<br />

cowpea<br />

garlic<br />

pea<br />

pumpkin<br />

446.64 pumpkin<br />

459.02 corn<br />

0.257 0.03341 0.041763 Huq and Naidu 2005<br />

0.222 0.12654 0.158175 Huq and Naidu 2005<br />

0.257 0.21331 0.266638 Huq and Naidu 2005<br />

0.222 0.03108 0.03885 Huq and Naidu 2005<br />

0.5 0.082 0.000092 0.000115 Li et al., 2006<br />

0.21 0.261 0.00012 0.00015 Liu et al., 2005<br />

Average Arsenic uptake factor in protected crops (fresh weight conc. in plant / wet weight conc. in soil) = 0.0664±0.0962

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