FALSE POSITIVES USING M272 KITS AND WHIRL-PAKS

File: 110196_aacbl_01.txt
Page: 01
Total Pages: 1
SUBJECT:  FALSE POSITIVES USING M272 KITS AND WHIRL-PAKS

PRIORITY


PTTSZYUW  RHIUFAA 0340700        RUEABOL
ZNY
P 030300Z FEB 91
FM USCENTAF//SGPB//
TO AIG 8598//CC/SG// 
INFO RHDIAAA/HQ TAC LANGLEY AFB VA//SGPB//
RUEABOL/HQ USAF BOLLING AFB DC//SGPA
ZEN/USCENTAF//DOS//


SUBJ: FALSE POSITIVES USING M272 KITS AND WHIRL-PAKS
USCENTAF/SG # 91-FEB-011-
1.  IT HAS BEEN IDENTIFIED BY SEVERAL.BASES IN THE AOR THAT FALSE~
POSITIVES FOR LEWISITE AND-CYANIDE ARE OBTAINED WHEN SAMPLING
WATER WHICH HAS BEEN COLLECTED IN WHIRL-PAK THIOBAGS. IT IS ~ ~
SUSPECTED~THAT THE 10 MG OF SODIUM THIOSULFATE PRODUCES THE FALSE
POSITIVE. EFFECTIVE IMMEDIATELY, ALL BIOENVIRONMENTAL
ENGINEER1NG (BEE) OFFICES ARE TO REFRAIN FROM USING WHlRL-PAKS TO
COLLECT WATER TO BE TESTED USING-THE M272 KIT. ANY CONTAINER~CAN,
BE USE IN PLACE OF THE WHIRL-PAKS SINCE STERILITY IS NOT OF
CONCERN

2.. (U) OUR THANKS TO THE836 TAC HOSP AND 1620 TAWP BEE OFFICES FOR


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