a ae . SeBk Sa a ae ee ta ee i km di a lh REFERENCES (1) Volchok, H. L. The HASL Surface Air Sampling Program, Summary Report for 1963 USAEC Report HASL-156, January (1965) Volchok, H. L. and Kleinman, M. T. Radionuclides and Lead in Surface Air USAEC Report HASL-224, April (1970), pp D-1 - D-80 (3) Volchok, H. L. and Kleinman, M. T. Sr-90 in Surface Air; 1963-1967 USAEC Report HASL-204, January (1969), pp I-17 - I-27- (4} Volchnok, H. L. and Kleinman, M. T. The Quality of Radiochemical Analyses in the HASL Surface Air Sampling Program, 1963-1967 USAEC Report HASL-204, January (1969), pp I-28 - I-46 wey Mai