https://www.siliconvalley.com/2022/04/01/explosion-rocks-foam-products-factory-in-montclair-smoke-is-seen-for-miles/ > Montclair police lifted evacuation orders Thursday evening near the site where explosions rocked a metal recycling plant and released potentially dangerous gases. > Metal cylinders containing compressed gas exploded, ABC7 reported, with others scattered about the neighborhood near 10775 State St. by the force of blasts that began at about 9 a.m.