HEMATOLOGEC OBRERVATIONS terminaticne were carried cut on then people. ® In the greater then 5 age group the totel white bleed cei| and newtrophile counts were depressed slightly celew cantrol valner durieg the [4 and Ql wees (Table 4.4). The lymphocyte counts were below centrel levels consistently, and the a — - i - -_— ——— > era { ~ ang = . q a § . total white coumt equal to the control value ob- tained on day 20 was due to a newtrophilic (" “ leukocytosis. Platelet counts on the 2%h day were signifi- “’ ; ~. Fe cantly lower than on the 19th day and, except . — for the older age males, were lower than control values. The 29th day coincides with the time of maximum depression for the more heavily exposed groups. 4.34 Fieume 4¢5—wxerie! totel leukorgte, neutrophils end ipmphocpte count in cepoeed Americans (Groep Ii!). Hemasological Findings, Group IIl (Americans) values thereafter in the course of the study. The lymphocyte counts fell to below control levels in the first few days, and remained at s The neutrophile count in general reflected the time course of the total leukocyte count (Fig. 4.5). Neutrophiles accounted almost entirely for the marked rise in total count «n postexposure day one, and the values for absolute neutrophile count fluctuated near the control level approximately 75 percent of the control value throughout most of the remainder of the observation period. In Grroups I and If the fluctuations in the total leukocyte count were accounted for almost Table 4.5.—Group III Americans Mean Blood Count by Day eo eee Net rmmuan trees” Piareterm Mowcrsray "mae vee ee Le 1 8s. 9... 10. ll. 12... | BLL. 9.6 6. 6 6. 2 6. 3 6.2 6.0 6. 1 6. ! 6. 1 4.3 40 3.68 3.9 3.7 3.7 3.8 313 2. | 2 4 2.2 21 21 21 20 19. TY 48 27 23 28 33 44 43 47 51 6.7 7 2 6.7 6. § 7 6 7&8 4.7 Away Amencan Controis + 8 a 8. 8. 1 47 Hee oe 0.1 19 2.0 22 18 15 17 17 1.6 0. 5 0. 4 0.3 0. 5 U7 1.2 1.3 21 29 22.0 22. 2 24 42 4.1 4.1 3.8 44 4b 12 21 25 22 27 24% $1 22 iv. ¥ 14. 4 16. 1 20.1 21 8 w 2 1a 8 16 20 1 8 i4 14 27 a4 1.4 21 2.2 1$§ 20 15 i? 4) 4.1 a. 8 26 27 | 16 ee a ee PE Dar 2.8 25 4

Select target paragraph3