The D4D comes in the form of a pen field test kit with colorimetric reagent designed for use by law enforcement professionals now available to private market.
This is a surface test for: Cannabis (Hashish, Marijuana, Hash Oil, THC, etc.) Heroin, PCP, LSD, Buprenorphine, Amphetamines & Methamphetamines Methadone, Codeine, Morphine, Opium, Ephedrine, Pseudoephedrine, Pethidine, Ketamine.
Each kit contains 1 pen test, 2 testing papers, and instructions.
It is recommended that one testing paper be used to take a sample, and the other used as a ‘control’ to compare results. Recommended areas to test are: Kitchen and bathroom extractor fans Ceiling fans Air conditioning vents or ducts Walls, especially if stained Window frames Tops of door frames Curtain and blind rails Tops of kitchen and bathroom cabinets Carpets, especially where there are visible stains Workshops and garages. This list is not conclusive as each situation is different but these are the most common areas of contamination.
* It is recommended that further, scientific laboratory testing be carried out for conclusive evidence of the presence of drugs in legal situations.