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TERRAIN HEIGHT OF 0. M ABOVE STACK BASE USED FOR FOLLOWING DISTANCES <br /> DIST CONC U10M USTK MIX HT PLUME SIGMA SIGMA <br /> (M) (UG/M'* 3) STAB (M/S) (M/S) (M) HT (M) Y (M) Z (M) DWASH <br /> ------- ---------- ---- ----- ----- ------ ------ ------ ------ ----- <br /> 40. 5824. 6 1.0 1.0 10000.0 5.29 4.47 3.25 NO <br /> 30. 6490. 4 1.0 1.0 320.0 5.61 4.88 4.31 NO <br /> 20. 7080. 4 2.0 2.0 640.0 3.80 3.23 2.84 NO <br /> DWASH= MEANS NO CALC MADE (CONC = 0.0) <br /> DWASH=NO MEANS NO BUILDING DOWNWASH USED <br /> DWASH=HS MEANS HUBER-SNYDER DOWNWASH USED <br /> DWASH=SS MEANS SCHULMAN-SCIRE DOWNWASH USED <br /> DWASH=NA MEANS DOWNWASH NOT APPLICABLE, X<3*LB <br /> SUMMARY OF SCREEN MODEL RESULTS <br /> CALCULATION MAX CONC DIST TO TERRAIN <br /> PROCEDURE (UG/M**3) MAX (M) HT (M) <br /> -------------- ----------- ------- ------- <br /> SIMPLE TERRAIN 7080. 20. 0. <br /> REMEMBER TO INCLUDE BACKGROUND CONCENTRATIONS <br />