Pappathan said the shells had been unpacked and he was about to box them, when he was momentarily distracted.
“I’ve learned that life can completely change in a matter of seconds,” Pappathan wrote lawmakers.
He supports a ban on reloadable mortars and aerial spinners, both fireworks lawmakers may outlaw.
The state Fire Marshal’s Office ruled the explosion accidental. Investigators removed more than 90 boxes of fireworks from the home.
The family this year abandoned the fireworks show, which had become a neighborhood tradition.
The Legislature is studying whether fireworks regulations should be tightened because of the Pelham explosion. The state Fire Marshal’s Office supports stricter regulation.
A report is expected to be issued this fall with recommendations for the Legislature.