A Unity man has been arrested in connection with the state’s fourth methamphetamine lab of the year.

On March 5, Maine Drug Enforcement agents from the Mid-Coast District Task Force and Waldo Sheriff’s Office searched the Fisher Road home of 35-year-old Thomas Heaberlin, according to a press release from spokesman Steve McCausland.

Earlier in the day, agents conducted surveillance of Heaberlin as he returned to his residence after purchasing ingredients used to manufacture meth, McCausland said. During a search, agents found a concealed room within the home and evidence inside of meth-making, including 10 one-pot labs that Heaberlin allegedly used to cook up the meth, police said.

Heaberlin was arrested without incident for unlawful operation of a methamphetamine laboratory, class B, and taken to Waldo County Jail. Police said his bail was set at $100 cash.

The Department of Environmental Protection assisted by taking possession of the toxic byproducts of methamphetamine production, McCausland said.