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84%

DYNAMITE (20.0%)

NON-DETECTABLE

A

OF EXPLOSIVES CONSIDERED
THREAT BY FAA COULD BE DETECTED
WITH COMMERCIALLY AVAILABLE
VAPOR DETECTORS.

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61%

NOTES

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OF PLASTICS COULD BE DETECTED WITH COMMERCIALLY AVAILABLE
VAPOR DETECTORS.

SEMTEX CONTAINS MANUFACTURED IMPURITIES THAT ARE DETECTABLE. 45% RDX, 45% PETN 10% IMPURITY

SOME C-4'S CONTAIN DNT AND OTHER RESIDUAL CONSTITUENTS FROM
REMANUFACTURED COMPOSITION B.

SOME PETN BASED SHEET EXPLOSIVES CONTAIN VOLATILE NITRO-
ORGANIC IMPURITIES WHICH ARE DETECTABLE.

PETN AND C-4 BASED EXPLOSIVES THAT DO NOT CONTAIN IMPURITIES
MAY BE DETECTABLE IF SUFFICIENTLY CONTAMINATED WITH VAPOR FROM
ANOTHER MATERIAL WHICH DOES GIVE A RESPONSE. (NG, EGDN, ETC.).

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Report of Operational test with the Model 97 explosive detector at Logan International Airport, in conjunction with Northwest Airlines and the FAA 15-16 February 1989.

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How Checked Baggage for International Flights Examined

In order to test checked bags, we used the portable M97 explosive detector at the ticket counter. Here, an extension table was setup before the x-ray machine already in place at the counter. After passengers received seat assignments at the counter, they placed their bags on the table. The different types of bags, as seen in Figure 1, were scanned with the M97 by the security agent. Next, the bag was passed into the x-ray as normally done with checked baggage. All 170 bags for several international flights were tested with the M97.

The operator was able to spend an average of 20 seconds per bag before a second passenger came to the table from the ticket counter. This buffered effect from the ticket counter allowed the operator to spend a maximum amount of time on each bag without creating a line or delay in the system. As the traffic from the counter fluctuated, the average time per check adjusted accordingly.

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Figure 2

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