High Altitude Balloon Sampling Program by In HASL-217, P. W. Krey (HASL) the analyses Of all high altitude balloon sam- ples collected during 1968 were summarized. Unfortunately three samples collected in October 1968 at San Angelo, were reported as having been flown in September. Texas This error has been corrected in the accompanying tables which cover both the September and October flights made at San Angelo. None of the radiochemical data has been changed - only the collection dates. II ~ 68