2 a 4 Bea ee TS ~ SSS. ee S ~ te ~ SQN > Set ka . SSN * AL y SAN 5 wn ~~ “A ~ . SASS “2 aa ass . es ~S — ‘vis veport summarizes the data on samples collected for the HAST, sivontium program during the period -- July through December of 1956. Jceviess “nt. vas given in NYO-)751 (Revised). In addition to the analysis of samples collected for the HASL program, the Analytical Branch is responsible for the transmittal of samples to contract laboratories. These samples are part of the overall strontium prosram of the Division of Biology and Medicine. This activity, including preliminary treatment of certain samples, calculations and ‘administration require the equivalent of one full-time man. Direct analyses snd administration require two staff members for the gummed film program and eight for the strontium program. FALLOUT DOCUMENTATION Gumned Film Network ‘I}~ourh the cooperation of the United States Weather Bureau and other groups, daily gummed film samples are collected at 10 stations within the continental United States and 75 stations in United States Territories and in other countries. been roported previously (1). September 1956, Results through September 1955 have The current data carries through *