[Rokke]

Field tests are designed to lean toward indicating a positive. This is for the sake of the soldiers in the field as it is better to lean in the direction of precaution. As for what was in those shells...they were most likely either smoke or willy pete rounds. The chemicals can liquify over time.

[TankerKC]

Field tests are designed to lean toward indicating a positive.

For field troops, a false positive is preferable to false negative.

[oldironsides]

DidIraqBuyYellowcake?

[IoCaster]

Field tests are designed to lean toward indicating a positive.

< cover=tinfoil beanie >

I can understand the logic behind that. I'll have to backtrack and see if I can get an accurate count of how many times these false positives have occurred. My initial reaction was based on a vague sense that the number of these reversals are suspicious. At this point, I'm loathe to just casually shrug and make some glib reference to coincidence.

< /cover >

...they were most likely either smoke or willy pete rounds. The chemicals can liquify over time.

Can you cite a source for this claim? I'm extremely curious at this point to try and determine what the actual facts are.