Legend (Nickel_Offroad_Mobile_Source)

Offroad_Mobile_Sources_from_both_SD_and_Mexico (0) ≤0.00433 ≤0.01171 ≤0.02382 ≤0.04744 ≤0.09435 Offroad_Mobile_Sources_from_SD (1) ≤0.00344 ≤0.00996 ≤0.02424 ≤0.04590 ≤0.09281 Offroad_Mobile_Sources_from_Mexico (2) ≤0.00053 ≤0.00111 ≤0.00182 ≤0.00296 ≤0.00660