884
THOMPSON AND LENGEMANN
4
60 —
PERCENT
ee _
50 --
om
30
™
MILITARY
—_—_-— URAL
20 bere eo ee ee ee
UNITED STATES
-10
a agg meKimewer Ne jen HeeeKe Neeene
eeexenx— URBAN
LOW INCOME
~
BALANCE SHEET
-30
1960
|
196]
l
1962
YEAR
|
1963
Fig. 5-——Influence of using various consumption estimates on annual
9°Sy-intake levels for the north-central United States for 1960-1963.
milk consumption, the resulting estimates of radionuclide intake from
milk equal or exceed the dispersion found in total-diet estimates.
VARIATIONS IN 2°Sr INTAKE FROM FLUID MILK
BY GEOGRAPHIC AREA AND SEASON
Fluid milk can be used as a more definitive illustration of the
radionuclide-intake problem since it has been possible to develop
average
monthly
consumption data for many of the major market
areas.’ Forty of the markets correspond to the U. 5, Public Health
Service pasteurized-milk network and can therefore be used in conjunction with radionuclide data’ as reported by this network (see Fig. 7).