Feds paying for sewer analysis of pot usage in Washington

SEATTLE — The federal government is chipping in money for a three-year pilot study using sewage samples to determine levels of marijuana use in two Washington cities — research that could help answer some key questions about pot legalization, according to the University of Puget Sound,

The school said Monday that the National Institutes of Health is chipping in $120,000 so Dan Burgard, an associate chemistry professor, can conduct a three-year study that will look at how per-capita pot use changed after Washington's first legal pot shops opened last July.

The research, based on methods first developed by scientists in Italy in 2005, involves analyzing wastewater samples for levels of metabolites produced when the body processes drugs.

Burgard previously used it to test campus wastewater to determine whether students were using more "study drugs" such as Ritalin and Adderal during mid-terms and finals. In one finals period at the university,...

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https://uk.news.yahoo.com/feds-paying-sewer-analysis-pot-usage-washington-070509520.html