5h
VIII,
Air Concentration
Air filter samples provided by Mr. I. H. Blifford, Naval Research
Laboratory, Washington, D. C. Collections were made on Army
Chemical Corps Type V filters of 200 square inches area and of
heavy. asbestos fiber composition,
A.
Sr” Surface Air Concentration, Yashington, D. C.
CLNo.
Volume
Collection Period
(¢t3x10-5)
pw sr90/10%s3
20D
April 5-8, 1953
hed
18.6 + 0.7
20hA
October 2-6, 1953
1.7
41.1 + 3.0
20L,B
October 6-9, 1953
36h
30.5 + 1.1
130
October 12-15, 1953
Be
70 + 12
Sly-P
April 3-5, 195k
2.92
91+ 7
20hE
April 8-10, 195)
2.6
bo + 062
20)
April 9-11, 195)
1.7
125+5
20)F
April 10-12, 195)
36h
258 + 6
515-P_
April 12-14, 195)
1.95
65.5 + 4.6
20hG
April 15-17, 195)
307
11.0 * 0.5
20KH3
April 17-19, 195)
2,8
2067 + 0.6
Sl6-P
apr. 29-May 1, 195h
(340
3262 + 266
895-P
May 5=7, 195
2033
210 + 12
517-P
May 11-13, 1954
2.76
31.3 + 2.2
896-P
May 17-19, 195)
2.59
120 + 7
518-P
May 2-26, 195)
2.61
216 + 12
897-P
_May 28-30, 195)
519-P
June 1-3, 195k
3.80
133 + 7
2.90
68.3 + bel
898~P
June 14-17, 195h
45
79 + 6
899—P
June 23-26, 195
3.79
51 + 3
520-P
July 16-17, 195)
1,88
47.0 + 204
521-P
July 2-26, 1954
2.56
-
7365 + 542