"Amphetamines (which includes amphetamine and methamphetamine) positivity continued its year-over-year upward trend, increasing more than eight percent in urine testing in both the general U.S. and federally-mandated, safety-sensitive workforces compared to 2015. Throughout the last decade, this rise has been driven primarily by amphetamine use which includes certain prescription drugs such as Adderall®.

"Increases in methamphetamine indicators reported in 2012 continued into 2013. These increases reversed a mostly declining trend since 2007. All CEWG area representatives reported increasing, stable, or mixed indicators in 2013, compared with 2012. Twelve of 19 CEWG area representatives reported increasing methamphetamine indicators in the 2013 reporting period; these were Atlanta, Cincinnati, Denver/Colorado, Detroit, Los Angeles, Minneapolis/St. Paul, St. Louis, San Diego, San Francisco, Seattle, South Florida/Miami-Dade and Broward Counties, and Texas.

"What is methamphetamine?
"Methamphetamine is a stimulant drug usually used as a white, bitter-tasting powder or a pill. Crystal methamphetamine is a form of the drug that looks like glass fragments or shiny, bluish-white rocks. It is chemically similar to amphetamine [a drug used to treat attention-deficit hyperactivity disorder (ADHD) and narcolepsy, a sleep disorder].

"Other common names for methamphetamine include chalk, crank, crystal, ice, meth, and speed.