TABLE 1 LD... Doses roR Dogs Expvosep UNDER DIFRERENT GEOMETRY CONDITIONS Radiation factors | Unilateral 250-kvp N-ray (from above) (Pieker) Unilateral 1000-kvp X-ray (from above) (G.E., trans- 14.2 Al Para- Unilateral None bolie 0.5 C TT 12.7 Ph onve (nim) | Tsp. | Dose rate (y, min) (om) 2.15 Cu id2 5.6 Ph 274 15 Bilateral yd 0.98 Cui) variable 6 100 100 0.4 Cu 15 (Inherent) 2.0 Pb 110) 6.3 Fe (inherent) 4.3 Ph 200) benm) 2000-kvp X-ray Bilateral (G.18., radial beam) 2000 kvp 1000 kyp Bilateral Bilateral Bilateral { Co® + En- air AM idline issue Fixit ftssue 450 562 332 160 Michaelson,’ Roch- 450 495 360 202 Michaelson,” Roch- ester 271 271 360 255 210) 260" 6.3 Fe None | 4.3 Pb | 200. | Not given in report | 10.5 Pb | 115 | ~ é (14) Presser ef ad, gonne (20) Ar- 252 252 Bond et al., USNRDIL (17) 304 209 250 Bond el al., USNRDI (17) - 312 265 265 316 335 262 258" Cronkite and Brecher NMRI (21) 281 252 1.0 Al “1 Bilateral 0.5 Cu High. 1000 Ne 200-kvp X-ray (G.1.) 250-kvp X-ray (G.E., radial beam) 1000-kvp X-ray (G.E., radial Bilateral Rererence france dixsue En- france ester mitted beam) Bomb 5 Ma 334 AMLANODD FW.AS0OdxKa 40 SLO | Filter (ne) LDsa dese to Radiation used bo a Method of exposure | Gleiser, NMRI (22) RBoche and Bishop, Rochester (23) Shiveley et al eye “$. Michaelson, J. N. Shiveley, and J. Howland, personal communication. ' Caleulated or estimated; value not given in referenee cited.