Alameda County Sheriff's Department seize more than 40 pounds of fentanyl, arrest 8

Alameda County officials seized more than 40 pounds of fentanyl.

Alameda County Sheriff's Department announced Thursday that they arrested eight suspects during a massive drug seizure and confiscation of a gun.

Authorities seized 90,718 M30 fentanyl pills, 23.1 pounds of powder fentanyl, 39 grams of black tar heroin, 9 grams of meth and a gun with an obliterated serial number.

Barstow and Dublin police assisted Alameda County Sheriff's deputies in these arrests and the drug seizure.

Law enforcement did not say where exactly the seizure happened and were not specific on their Twitter page announcement about when they carried out this operation.  

SEE ALSO: Fullerton man charged with possessing enough fentanyl to kill 12 million people

To put the highly-addictive synthetic opioid's deadly potential in perspective, a lethal dose of fentanyl is as little as 2 milligrams, according to California Highway Patrol. 

Last spring, we reported that fatal fentanyl overdoses among teens across the country topped 100,000 annually, according to data from the Centers For Disease Control and Prevention.