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The discovery of the white powdery substance prompted a brief evacuation of the White House on Sunday
The Secret Service is investigating a “white, powdery substance” found in the White House on Sunday that D.C. fire officials said tested positive for cocaine.
A formal lab test of the white substance found at the White House on Sunday has come back positive for cocaine, Secret Service spokesman Anthony Guglielmi said.
The above photo shows the positive results of the number 2 Marquis reagent presumptive drug test when used with a sample of opium. It is the primary presumptive test used in Ecstasy reagent testing kits. It can also be used to test for such substances as opiates (e.g. codeine, heroin), and phenethylamines (e.g. 2C-B, mescaline).
On February 2, 2004, in a mail room serving Senator Bill Frist in the Dirksen Senate Office Building, a white powdery substance was found on a sorting machine. [15] Tests on February 3 confirmed that the substance was ricin. [15] The positive test results were indicated by six of eight preliminary tests on the substance. [13]
It is found as a white powder at room temperature. [2] When a product sold online in the UK in June 2010, advertised as dimethocaine was tested, it was found to be a mixture of caffeine and lidocaine, [3] and the lack of any dopaminergic stimulant ingredient in such mixes may explain the limited recreational effects reported by many users ...
They were found lying on the ground holding "30 brick-like packages containing a white powdery substance," with an estimated value of more than $1.1 million, per the press release.
A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.