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Old May 23rd 2015, 06:59 PM   #1
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Join Date: May 2015
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Rust or Thermite? Orange Powder in Residential Delineation

Trying to identify this bright orange powder showing 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? No other Vanadium anywhere else on site. Certainly odd looking coloration.
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