67
Sample
dpm/10°r,3
VIIL Surface Air Concentration
Air filter samples provided by Mr. I. H. Blifford,
Naval Research Laboratory, Washington, D. C.
A.
Air filters, Washington, D, 0.
1. CL 915-P:,
Collected June 2-3, 1955, volume
1.65 x 10°f2, total dpm 22) +12,
2. OL 916-P:, Collected June 8-10, 1955, volume
3017 x .106ft3, total dpm 66% 5,
3.
CL 1052-P:
Six small filters, collected
February 23-28, 1955, 0.258 x 10°F) total
135 +7
2.22
2hl, * 29
air volume,
B,
Air filters, Kodiak, Alaska
le
C.
CL 938-P:
Collected August 16-23, 1954
~hely x 10683,
,
,
~33
Air filters, Pearl Harbor, T, H.
le
CL 1053-Ps:
Fifteen small filters,
collected
January 1-20, 195), 0.645 x 103 total air
34.0 * 45
volume.
2.
CL 105u-P: Ten small filters, collected
January 21-31, 1954, 0.43 x 10°Ftotal air
51.9 * 6.0
volume.
3e
CL 1055«P:
Twelve small filtegs, collected
12.6 2 he8
le CL 1056-P: Twelve small filters, gollected
25-4 * 3.8
February 1-1, 1954, 0652 x 10°Ftotal air
volume.
February 15-28, 1954, 0.52 x 10°f3 total air
volume.