26.03.2013 Views

Appendix D Food Codes for NHANES - OEHHA

Appendix D Food Codes for NHANES - OEHHA

Appendix D Food Codes for NHANES - OEHHA

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

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

Table H.10-4 Cadmium field studies on root crops.<br />

field<br />

Study Type<br />

soil<br />

conc<br />

bcgd<br />

(mg/kg)<br />

soil<br />

conc<br />

contam<br />

(mg/kg) Crop Name<br />

4.8 salad onions<br />

tissue<br />

conc<br />

bcgd(T)<br />

dry wt<br />

(mg/kg)<br />

tissue<br />

conc<br />

contam(C)<br />

dry wt<br />

(mg/kg)<br />

H-30<br />

Uptake<br />

factor<br />

(contam)<br />

dry wt<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/wet<br />

w soil Reference<br />

1 0.208 0.125 0.0260 0.0326 Chumbley and Unwin 1982<br />

fertilizer-field ND 0.311 turnip ND 0.15 0.500 0.2 0.1000 0.1250 Schroeder & Balassa, 1963<br />

field - smelter 0.108 39.2 turnip<br />

0.027 0.108 0.0029 0.0036 Zheng et al. 2007a<br />

Average cadmium uptake factor in root crops (fresh weight conc. in plant / wet weight conc. in soil) = 0.0683±0.144

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!