NATIONAL BUREAU OF STANDARDS REPORT

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP70-00211R000300210003-1
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 1
• Document Creation Date: December 19, 2016
• Document Release Date: September 30, 2005
• Sequence Number: 3
• Publication Date: March 12, 1951
• Content Type: REPORT

Approved For Release 2005/11/21 : CIA-RDP70-00211R00030021)Q03-1
Form 459
11-10508
UNITED STATES DEPARTMENT OF COMMERCE
WASHINGTON
W tttinnttl qur,ettu of -Otttndttrbs C2.3/
REPORT
on
15 Samples of Permanent Record Film
STAT
Submitted by
Central Intelligence Agency
(Attn.
1 clashing on, D.U.
Reference: Your letter.of Feb. 13.
For permanent records it is recommended that the hypo
content of permanent record film not exceed 0.005 mg per
square inch.
The results of the tests on these 15
permanent record film were as follows:
samples of 16 mm
Mg Hypo Per
Mg Hypo Per
Sample
Square Inch
Sample
Square Inch
9A
Nil*
16B
Nil
14A
<
21B
rt
19A
ti
26B
tt
24A
0.005
31B
29A
Nil
36B
tf
34A
it
41B
.005
39A
.005
-43B
11B
Nil
-
-
*When the hypo content is less than 0.005 mg of hypo
per square inch it is reported as nil.
For the Director,
Goa.-~,,,,,,,?.-.?.?.-,H--'
Raymond Davis, Chief
NBS Test No. G-5089 Photo Technology Section
March 12, 1951 Optics & Metrology Division
Approved For Release 2005/11/21 : 6fMWB del' i> YIt4RA9s1apply