Table 2 ATR EETA CONCENTRATIONS IN UTAH All samples were taken in Salt Lake City by the Utah State Department of Health except for the tests Easy (Ogden), Fox (Price), Annie (St. George) and Harry (St. George). NEVADA NAME EXPLOSION OF TEST 7 MAY 52. EASY* AIR KILOTON HRS BURST pe/m YIELD TO ASSAY AT ASSAY AIR , AIR pe/m HOURS an ay AT 24 HRS SAMPLED 207.3") 12 2 20,000 2 25 MAY 52 FOX* 11 ? 1,000% 2 17 MAR 53. ANNIE** 16 2.29 5.13 9.67 13.75 19.97 3.76 8.04 11.67 15.80 21.75 147,000 49,000 5,000 4,000 1,000 4,170,000 2,380,000 630,000 Wu, 000 14,000 28 MAY 57 BOLTZMANN 2 JUN 57. FRANKLIN 12 129.58 0.14 34.08 266 U4S 18 JUN 57. WILSON 5 JUL 57. HOOD 15 JUL 57 DIABLO 10 74 17 19 MAY 53. HARRY** 32 24 JUL 57 KEPLER 10 18 AUG 57 SHASTA 17 8673 0.59 7693 5.08 1680 4.00 2048 4.17 802 10.16 450,360 5.33 642,600 3.25 264,600 4.00 26,620 4.25 12,432 7.17 2,817 239,564 2,014 676 55.37 28.08 32.58 33.17 35.58 40.75 52.50 36.00 55.59 675 498 7,090 3,000 2440 1,887 258 644 73 1843 603 10,281 2.50 u,410 2.50 3,904 2.50 3,566 5.08 660 11.42 1,050. 7.91 200 16.09 35.00 35.75 39.83 52.42 908 3,164 2,260 1,245 1,426 4.84 5,094 2.83 4,158 4.00 3,175 12.33 3,006 480 3,212 Time from burst to assay not given. *Air concentrations from Ref. 6. *thir concentrations and times are to mid-sampling period; data from Ref 8.

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