654 RADIOLOGICAL CLEANUP OF ENEWETAK ATOLL FILE : 10,776 17,581 2,338 12,248 S01 Nose Swipes * 1,145 TLD f [ NUMBER IN SYSTEM Master Island Access Bioassay Dosimetry Pocket Dosimeter i “Ss 7,519 Total 52,108 b. Bioassay Data Potassium-40 (K-40) : — Range <50 to 4,100 pCi/Liter — 2,313 Readings (98.9%) 2500 pCi/Liter Gross Beta (GB) — Range <300 to 4200 pCi/Liter — 2,315 Readings (99.0%) 2500 pCi/Liter GB to K-40 Ratio — Range 0.27 to 3.05 — 2,305 Readings (98.6%) =2.00 Plutonium-239 — Range <MDA to 0.12 pCi/Day — 2,332 Readings (99.7%) <MDA c. Dosimetry File Doses Recorded Zero Readings 1-10 mrem 11-20 mrem >20 mrem (99.97% <70 mrem) d. 12,248 8,361 (68.3%) 3,712 (30.3%) 157 ( 1.3%) 18 ( 0.1%) Pocket Dosimeter File Doses Recorded Zero Readings 1-10 mrem 501 486 (97.0%) 10 ( 2.0%)