Trying to identify this bright orange powder turning up in a residential delineation.
Iron 70,000 mg/kg Aluminum 5,200 mg/kg Calcium 3,900 mg/kg Magnesium 1550 mg/kg Vanadium 125 mg/kg Arsenic 50 mg/kg
Just some rust? or maybe a thermite welding powder? Certainly an odd coloration Thinking...
