Delaware legislators are handling a bill that, if passed, could ban the sale of a harmful substance in the First State.

Testing using advanced isotope analysis tools identified the substance as tianeptine sodium salt. The total weight of the seized tianeptine stood at 10.22 kilograms, equivalent to nearly 23 pounds.

The substance inside was confirmed to be tianeptine sodium salt, a drug not approved in the U.S. The tianeptine weighed a combined 10.22 kilograms—equal to 22 pounds and eight ounces.