SOUTH PORTLAND — Some southern Maine commuters might see a lot of activity involving emergency vehicles for the next couple of days.

On Friday and Saturday, a hazardous materials drill will be conducted at Monson Chemical Co. on Runway Road in South Portland.

Officials say the drill will run from 8 a.m. until about 2 p.m. each day.

A lot of equipment and personnel will be on the scene each day. Many mutual aid companies from other towns will be there as part of the drill.