e 9). Per-Pound Costs of Reducing Nitrogen Pollution in the Chesapeake Bay Region 200 $200.00 150 100 50 0 $92.40 $75.00 $27.65 $21.90 $7.00 $4.70 $3.30 $3.20 $3.20 $3.10 $1.50 $1.20 FigureFi9g.uCreo9s.tsC(oisnts2(0in1020d10oldlaorllsa)rst)otorerdeduucceenniittrrooggeennppooll...