Hazards even include the stale gasoline for the rusted out lawn mower, as well as the propane canister attached to the old grill that a friend “gifted” you with when he was moving out of state three years ago. Hazardous waste may be flammable, corrosive, explosive, or toxic. If it oxidizes, it’s also a hazard. The Gus Grissom Memorial at Spring Mill State Park honors the astronaut who was America second man in space. The memorial tells about Grissom life…