Table 23 -MONTHLY RADIOSTRONTIUM LEVELS IN LIQUID MILK FROM NEW YORK CITY 1954 Sampling 1955 Sr), month 1956 Sr* pue/g Ca Sr?” pue/g Ca January 0.9 + 0.4 March April May June 0.52 + 0.41 1.1402 0.9 + 0.15 2.4+0,2 3.7 + 0.2 July August 0.93 + 0.82 0,64 + 0,50 5.24 0.2 2.4 +0.2 September October November December 2.3 1.8 1.7 1.8 3.9 3.5 3.6 3.8 +0,3 +0.4 + 0.6 +1.5 + + + + sr®, uuc/g Ca 1.5 + 0.8 February 1957 1907 uc /g Ca Sr®4 /gyr% 4.24+0.6 3.19 + 0.36 3.7 + 0.2 4.14 40.12 3.7 + 0.3 3.5 + 0.3 4.2 + 0.4 3.78 3.71 3.98 5.56 1.5 0.2 0.6 0.4 + + + + 0.18 0.73 0.61 0,56 7.4 0.96 + 0.50 3.0 +0.9 4.5 +90.9 6.56 + 0.45 16.5 +1.4 4.63 4.90 5.71 4.73 2.89 15.8 15.8 32.3 12.7 9.8 +2.3 + 2.9 +5.3 +1.7 + 3.2 + + + + + 0.26 0.45 1.14 0.45 0.63 *Extrapolated to the midpoint of the sampling period. Table 24 —-MONTHLY RADIOSTRONTIUM LEVELS IN POWDERED MILK FROM PERRY, NEW YORK Sampling month 1954 1955 1956 Sr* sr*t Sr? uue/g Ca January February March pyuc/g Ca upe/g Ca sr*?/sr® « 1957 sr*?, 1957 pue/g Ca sr**/sr¥* 2.1 2.2 2.5 + 2.6 0.77 + 0.31 0.75 + 0.31 2.3 2.0 2.0 +0.3 +0.2 +0.3 3.83 + 0.38 4.02 + 0.62 3.00 + 0.06 3.12 + 0.65 3.91 + 0.60 7.2+1.6 4.59 + 0.62 7,0 + 1.5 April May 0.47 + 0.22 12 +0.7 0.31 + 0.05 1.9 +0.1 2.9 2.8 +0.3 +0.4 June 1.3 2.56 +0.1 3.0 +0.7 +090,.8 1956 4 July 1.5 +#1.3 1.9 +0.2 2.7 +0.7 14 4,74 + 0.25 11.4 + 0.9 August September 1.2 1.5 +0.5 + 0.4 2.0 1.5 +0.1 +90.1 3.1 4.9 + 0.7 +0.6 13 22 4,25 + 0.50 4,30 + 0.94 10.0 + 1.2 22.1+4.7 October November December 1.4 +0.5 1.1 + 0.4 0.64 + 0.34 2.8 2.5 3.3 +0.3 +0.3 +0.2 6.4 + 0.4 5.6 40.3 3.16 + 0.30 3.65 + 0.10 4.38 + 0.48 2.64 + 1.03 21.1 45.2 4841.1 8.0 + 4.6 *Extrapolated to the midpoint of the sampling period. 64 2.8