M(t) = . K(x,W) “Bad [Daltra(tlta(t) +EDjr,0,r) | for the mass contour ratio, and . ¥D(t) = 6.89 x 10724 y“1 bq Pep(t) Pepl(t)ig(t) + EDeej£2) for the fraction-of-device contour ratio, in which i,(t) is the (r/hr)/(atom/sq ft) for the r/hr at a height of 3 ft from the jth induced radionuclide uniformly deposited on an c, ~ r¥ ideal plane, is the capture-to-fission ratio for the jth nuclide, | is radiochemical "R" value for the jth nuclide with respect to the cloud composition, 60 Dy is the instrument response relative to Co’ y standard procedure: when calibrated Lp(t),is the (r/ur)/(fission/eq ft) for the r/hr at a height of 3 f due to fission products from thermal-neutron fission of Ue33 uniformly deposited on an ideal plane, rpp(t) is the gross fission-product "R" val valygwith respect to the ionization rate from unfractionated fission products Dp(t) is the gross” anstrument response relative to Co calibrated by standard procedures, q is the terrain factor, when por/NY ~b is the ratio of fission to total yield, is the mass correction factor to a surface burst, Ktx,W) is a peramster depending only on distance ent yield end has the units mg/fission, x is the distance (dowmrind) from ground zero in feet, and -W is the total yield in KT. Factores for converting d/s to r/br for 1,(t) for various possible induced activities are given in reference 3. Likely values of c, for tamper induced radionuclides from various types of weapons are given iii \ ‘