eea eee pe a . 3 4 ORCL a VrSMEET PNOR sane eee weeCF em,lianas at ST \ : < a : “ * a . pi Cc ‘ , 2 qq ty 7 Ff t . 4 4 < . . . ~uw mh NO SCALE , : . 7 : o fo ~ . 3 2 . . a ge. Te ° £4 Do oo - “St, . tu,ta. . tos . “TIME et NO SCALE ‘ate F “4 . oo 7. fo E : - es, J 1 : 7 a 5 ny 8 “i : . SQURCES . vi ~ a * - , * Rat Re, BOSE RATE CTT EXTERMIZR KEOesrt _ & ws tyf - aLs ws LO, Ry ~Ratl -ArAagyr Tise t a AN bE - 4 | Su, te TIME ; roe “4 , ty : -@, FIRST NORMALIZATION - - oo { . . . fs 7 _ WHA. ; “ABs . - tae te . oO : Lg Pe - . 2.)SECOND NORMALIZATION . 1s - . .t | - . a ¥ , z .. . : 7 27. . . . . . Figurei.4 Steps in.normalizing noningress compertrent dose rites to ingress compartmens nge rates ta ciitain dose rales duz to ingress oy dh ference. 32 ere CONEIDENTIAL