OKLAHOMA CITY (KFOR) — An Oklahoma lab is once again sounding the alarm about medical marijuana.

They say tests have found pesticides in products that are already on the shelf, marked for sale.

These latest results come months after the same lab found mold, yeast, and even salmonella in several pot products.

Havard Industries says the issue stems from the state's rules and regulations.

The Oklahoma Medical Marijuana Authority only requires testing for 13 pesticides, but Jeffrey Havard says there are many more in use that aren't being tested for.

"The problem is that the majority of pesticides that are up there on the counter are not even ones that we're even monitoring for," Havard said.

There are growing concerns at Havard Industries surrounding the type of pesticides they say they

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