Maybe Lawrence Aviation Link, a supefund site now,Link and a site the trucking company involved here is already associated with. Link
A pic of the thermite welding the LIRR was doing, would have been done there, too. Link
I know the aluminum concentration is wrong for straight up thermite...
Hah, Thermite Welding Mold - that might explain this fragment I picked up the first time we saw this kind of material. Didn't look like any brick I'd ever seen.
Link
About 3,000 tons of construction debris and historic fill was dumped on-site during construction of this affordable housing complex built for Veterans returning from Iraq and Afghanistan. http://newyork.cbslocal.com/2014/06/11/da-veterans-way-in-islandia-contaminated-with-hazardous-materials/...
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...