He had already done some work at the fire hall, vacant since the ’90s and set to reopen next year. The walnut shells had been used to blast away old lead paint in the building earlier on Oct. 2 ...

"You can find walnut shells in tires, in sandblasting," said Reklow. "It's in places you don't even think to look look for it. If you're not made properly aware, how can you protect yourself?

Full restoration process begins with stripping the Datsun 240Z down to bare metal for a flawless primer application. Walnut shell blasting removes old paint without warping panels, followed by ...