YELLOW RAIN-ANALYSIS EVALUATION OF LEAVES

• Document Type: FOIA
• Collection: FOIA Collection
• Document Number (FOIA) /ESDN (CREST): 00037491
• Release Decision: RIFPUB
• 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: August 21, 1984

Approved for Release: 2015/01/05 000037491
ANALYTICAL RESEARCH DIVISION
RESEARCH DIRECTORATE
21 August 1984
Analysis/Evaluation of Leaves
A shipment designated 10027TTT, identified with Registry No. C-082-83,
was received by the Analyticii Research Division 6 April 1983 from FSTC.
There was no irformation available concerning the sample. The sample
consisted of a bundle of broad lea's having yellow and white spots re
The leaves had be a la t b with strin
A vapor sample withdrawn from within the plastic bag was subjected to
analysis by gas chromatography/mass spectrometry (GC/MS). A portion of the
leaves was leached in chloroform. Another portion was ,leached in 1:1 methanol:
water. The solvent soluble materials were analyzed by CC/MS1 ion chromatography
(IC), thin layer chromatography (TLC), and infrared spectrometry (IR).
The GC/MS spectra of the vapor associated with the vegetation was not
definitive, indicative of minimal volatiles. The GC/MS spectra of the
chloroform solubles identified the presence of pentadiene,. with an additional
broad peak similar to an acid having a molecular weight of 254. IC separated
no ions of interest. No separation of components was obtained by TLC.
Derivatization with negative ion chemical ionizationMS detection for
trichothecenes was negative. IR spectra identified the Elesence of water,
aliphatic hydrocarbons, a trace carbonyl band at 1735 cm , and possible
inorganic silicates.
Conclusion:
No evidence of any known CW agent, agent degradation product or trichothecene
was detected. No components indicative of anything beyond natural vegetatia
were detected. The sample appears to be innocuous.
Approved for Release: 2015/01/05 000037491
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Approved for Release: 2015/01/05 000037491
Approved for Release: 2015/01/05 000037491