The United States Environmental Protection Agency regulates the amount of sewage sludge that can be applied on agricultural land by setting limits on ____.
A) the concentrations of metals in the sludge to be applied
B) the rate of metal application to any parcel of land in any one year
C) the total accumulative amount of metals that can be applied to a parcel of land,regardless of when the metals are applied
D) all of the above
E) none of the above
Correct Answer:
Verified
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