06 Table G.l Computation of Dose at Three Feet Elevation Above Fallout Plane 1 2 3 Ej Pi .075 °250 .700 1.250 1.650 2.05 2.45 090 :428 335 .067 .069 .005 .005 By Method of AFSWP Keport #502A 4 D3, €i-) 8B,6,E;) .400 1.67 13541655 242 1.32 1186 1.23 .160 1.19 1L3 1.17 130 1.15 5 6 7 8 9 Me* ~Ectyn) (6) x(a) (72) h(E) 0206 .0138 .0092 .0069 .0065 .0058 .0050 3.4 3.8 hel 43 hod 4.5 4.7 5.7 5.9 5.4 5.3 5.2 5.3 5.4 518 2.525 1.810 355 .358 .026 .032 629x107 34x19" 35 348 132 £295 .280 Summed Colum (10) = > mE.) B, (3, &,)Fec-H")] 15 = 10 (a) «(8) .1.50x1074 =. B44 634 123 .115 .008 .009 1.903 x 1074 KEY TO SYMBOLS E; -- Effective energy of photon in Mev in the ith component of the “average fallout spectrum" of Table B.1 Py ~- - Fraction of energy contributed by source component 1. DiGi€,-)- ~ Fraction of dose scattered from ith component reaching 3 foot elevation. Bp(3',£,)- - Dose build up factor, defined = 1/1-Col. (3). nie} ~ = True absorbtion coefficient (in air). -Evéy,x)- - Exponential integral; x = 100 om, w for €..