If government studies are a reliable guide, about 25,000 residents of Fairfax County -- 2.5 percent of its population -- have used cocaine in the past year. The same data from the National Survey on Drug Use and Health suggest that about 9,000 have partaken within the past 30 days. -
Sewage Tested for Signs of Cocaine
If government studies are a reliable guide, about 25,000 residents of Fairfax County -- 2.5 percent of its population -- have used cocaine in the past year. The same data from the National Survey on Drug Use and Health suggest that about 9,000 have partaken within the past 30 days.-
By Bill Turque