In the county jail, half of the 64 inmates in May had been arrested on charges of making or selling methamphetamine.

Chemical supply companies could be prosecuted for selling chemicals to people who make methamphetamine.

Oklahoma last year became the first state to ban over-the-counter sales of cold medicines that contain the crucial ingredient needed to make methamphetamine.

Since the materials needed to make methamphetamine are not illegal and relatively easy to obtain, he said, labs in Mexico made the drug in bulk.

The reason for this is that pseudoephedrine can be used to make methamphetamine, which is an illegal drug.

They found chemicals that could be used to make methamphetamine but found no drugs.

The ingredients can be used to make methamphetamine, the highly addictive illegal drug also known as meth.

In 2005, Blunt signed legislation to limit sales of pseudoephedrine and ephedrine products, the key ingredients needed to make methamphetamine.

Mexican authorities say the port is used to bring in cocaine and precursor chemicals used to make methamphetamine into Mexico.

The stuff can be used to make methamphetamine, an illegal drug.