Metal and plastic debris everywhere. Oils and other lubricants like lithium grease leeching into the ground. They also have a regular 12V battery. A bunch of coolant. The tires are toxic.

Anyways.

So good thing they went out to the middle of a beautiful and idyllic field. Would have been a shame to crush that on a lot designated for crushing these things. Elon wouldn't have "felt" it as much if they did that.