Appendix D Food Codes for NHANES - OEHHA

SRP Review Draft Version 2 June, 2012
H.11 Summary and Recommendations
OEHHA recommends the root uptake factors in Table H.16 for metals and metalloids.
Table H.16 Recommended Soil-to-plant uptake factors for inorganic metals and
metalloids in edible crops a
Element Leafy Exposed Protected Root
Arsenic 1×10 -2 2×10 -2 7×10 -2 8×10 -3
Beryllium 2×10 -4 8×10 -3 3×10 -4 5×10 -3
Cadmium 1×10 -1 2×10 -2 1×10 -2 8×10 -2
Chromium (VI) 3×10 -1 2×10 -2 7×10 -2 3×10 0
Fluoride 4×10 -2 4×10 -3 4×10 -3 9×10 -3
Lead
8×10 -3 7×10 -3 3×10 -3 4×10 -3
Mercury 2×10 -2 9×10 -3 1×10 -2 2×10 -2
Nickel 1×10 -2 3×10 -3 3×10 -2 6×10 -3
Selenium 6×10 -2 4×10 -2 3×10 -1 7×10 -2
a Soil-to-plant UFs represent the fresh weight concentration of a contaminant in the plant
part over the wet weight concentration of contaminant in the soil.
H-51