The Colorado Department of Public Health and Environment on Thursday warned that marijuana products from a local retailer could potentially contain harmful chemicals, calling the products a threat to public safety.

State health departments issued an immediate health and safety advisory on medical and retail marijuana cultivated by MMJ America Uptown, the department of revenue said in a news release.

The advisory cited “potentially unsafe pesticide residue” on marijuana flower, trim, concentrates and infused-products.

Read the rest of this story on DenverPost.com.