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TERRAIN HEIGHT OF 0. M ABOVE STACK BASE USED FOR FOLLOWING DISTANCES <br /> DIST CONC UlOM 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. 2315. 5 4.0 4.0 10000.0 4.25 4.41 3.17 NO <br /> 50. 2184. 5 3.0 3.0 10000.0 5.00 5.51 3.95 NO <br /> 60. 2500. 6 1.0 1..0 10000.0 8.06 6.75 4.91 NO <br /> 70. 2591. 6 1.0 1.0 10000.0 8.06 7.79 5.60 NO <br /> 80. 2521. 6 1.0 1.0 10000.0 8.06 8.83 6.29 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 2591. 70. 0. <br /> REMEMBER TO INCLUDE BACKGROUND CONCENTRATIONS <br /> r <br />