Table li Powdered Milk - Perry, New York 958 Sampling Month sr70 ic Ca January 340 4 0037 February 3057 & 0249 March 2699 2 0.36 ' April May 3003 sr°9 /sr70 165 2 005 0653 6.5 31.9 4.98 2 0.32 Yel, * Ook June July August September October November December * Extrapolated to midpoint of sampling period, - 83 « *