»
B,
Washington,
D.
53
C.
Collected at the Naval Research laboratory. Samples
were taken by direct fall into galvanized tubs on the
roof of one of the NRL buildings. The precipitation
in inches is that reported by the local Weather Bureau
station for the period of sample collection,
>
(See also
air filter, gummed paper, and platinum screen collections made at the same location and during the same
period.)
Table XII
Sr90 CONCENTRATION, NRL RAIN COLLECTIONS, WASHINGTON, D.C.
Sample
Number
Precipitation
Collection Period
Volume* D.P.N. sr70
(Liters)
Total
DeP.M./ft2
CL 488-P 0,h2" rain
1045-1200, 2/11/55
10.05
61.5+ 5.1
10.61 + .88
CL 489-P 0.2" rain
130-1600, 2/22/55
3.50
ie + 209
§=7065 + 250
CL 490-P 0,61" rain
0100-1030, 2/23/55
8.37
28.2 + 2.2
4.86 + .38
CL 491-P 1.3" snow
1445-1830, 2/2h/55
3.47
26.14 1.3
50+ .22
CL 492-P 0.1)" rain
030-0900, 2/27/55
1.67
13.8+ 0.8
2.36 + .14
CL 493-P 0.23" rain
0900-1200, 3/1/55
3.28
8.04 2.9
8.27 + .50
CL L94-P 0.55" rain 2000, 3/4—0L00, 3/0/95
9096
he + 525
16.22 + 295
0.69!" rain 2300, 3/5~-1500, 3/6/55
11.3
2" snow
0.22" rain
0,09" rain
CL 495-P 0,13" rain
1200-1900, 2/11/55
2015-2330, 3/3/55
1900-2100, 3/5/55
3.32
1025-1215, 3/21/55
1.70
30.2 + 261
5.21 + 436
CL 496-P 0,2" rain . 1300-1700, 3/15/55
4.20
58.5 + 3.5
10.01 + .60
0,06" rain
0530-1700, 3/16/55
0.15"
1515-15),5,
rain
3/16/55
1.85
CL 497-P 0.19" rain
03),5-0815, 3/18/55
2.70
80+ 2.9
8.27 + .50
CL 498-P 0,58" rain
0230-1100, 3/21/55
8.95
60.7+ 3.0
10.48 + .52
0.36" rain
0100-0900, 3/22/55
4.50
.
dl
Total
* Collections made
collection area,
86.5 x 1,8
in two new galvanized #2 wash tubs, 5.8 square feet
DOE ARCHIVES
|
(3!