<SANITIZED>MACH 1981 CHEMICAL WARFARE ATTACK

• Document Type: FOIA
• Collection: FOIA Collection
• Document Number (FOIA) /ESDN (CREST): 06157041
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: December 28, 2022
• Document Release Date: September 26, 2017
• Case Number: F-2012-01432
• Publication Date: January 26, 1982

Approved for Release: 2015/01/05 006157041
(b)(3)
� DIRECTORATE OF
DOMESTIC COLLECTION DIVISION
Foreign Intelligence Information Report
WARNING NOTICE�INTELLIGENCE SOURCES AND METHODS INVOLVED
FURTHER DISSEMINATION AND USE OF THIS INFORMATION SUBJECT TO CONTROLS
OPERATIONS STATED AT BEGINNING AND END OF REPORT PAGE 1 OF 2. PAGES
THIS IS AN INFORMATION REPORT, NOT FINALLY EVALUATED INTELLIGENCE
REPORT CLASS.
COUNTRY
SUBJECT
SOURCE
5
4
3
2
1
s E C T--WNINTEL--NOFORN--
ORCON
Kampuchea/Thailand
REPORT NO.
DATE DISTR.
(b)(3)
�
26 January 1982
REFERENCES
(b)(cb)-(3)
March 1981 Chemical
Warfare
(b)(3)
Attack
(b)(1)
(b)(1)
(b)(3)
(b)(1)
(b)(3)
about
twelize deaths had occurred in a March 1981 attack in Kampuchea
during which a yellow powder or mist enveloped a group of 30-40
Democratic Kampucheans somewhere southeast of Phnom Mak Hoeun.
_ 2. The people who entered the area one to two hours after the
attach were cautious and tried not to come in contact with a yellow,
_powder=like residue. seen on the ground. There was a- paint- smell
-in--the-a-real---i-t-was--alscr-d-es-c-r-ibed as like "rancid milk and/or
nicotine." By 72 hours after the attack, all traces of the yellow
residue and odor had disappeared.
_ _
3: Symptoms reported by two observers of the attack included
locked jaws, tightening in the chest, and extensive vomiting of blood.
Several victims seemed to be bleeding from the skin, especially from
the eyes and mouth. The skin felt as if it were burned severely and
small blisters formed in 30 minutes to one hour, with death occurring
after one to two hours.
S E,/"R E T
Approved for Release: 2015/01/05 006157041
Approved for Release: 2015/01/05 006157041
WARNING NOTICE
INTELLIGENCE SOURCES AND METHODS INVOLVED
FURTHER DISSEMINATION AND USE OF THIS INFORMATION SUBJECT
TO CONTROLS STATED AT BEGINNING AND END OF REPORT PAGE 2 OF 2 PAGES
C RE T
4. The attack victims were given autopsies at the site within
twelve to twenty-four hours after death and prior tci burial. None-
theless, they showed unusual post mortem changes such as engorged
and spongy hearts, lungs, and livers and, in some cases, the
gall bladder had ruptured. The digestive trac s of those given
autopsies wre dissolved, putrified, or rotten
In September and October there had been two
Other attacks that had resulted in deaths, which had occurred after
.the victims had suffered from the same symptoms noted above.
REPORT CLASSSECRET--WARNING.NOTICE - INTELLIGENCE SOURCES AND
METHODS INVOLVED�ORIGINATION AND EXTRACTION OF INFORMATION CONTROLLED
7-0-P-T0-71ATOR.
ALL PORTIONS CARRY CLASSIFICATION AND CONTROLS OF OVERALL
DOCUMENT..
5
4
3
2
1 SECRET
(b)(3)
(b)(3)
:C;f9iM 2291 OBSOLETE PREVIOUS EDITIONS
CONTINUATION SHEET
Approved for Release: 2015/01/05 006157041