Originally Posted by
OldnGrounded
I've missed it, perhaps, but do we know when they stopped dumping, if they did? That location is -- what? -- 7-8 statute miles from the runway?
From the video looks like the left valve stops dumping at 0:35, and the right at 0:38. (And as reference, I reckon the plane passes directly overhead the camera at 0:12). I'll leave you to work out where it was when it stopped dumping.