“Tracing the cycling and fate of the munition, Hexahydro-1,3,5-trinitro-1,3,5-triazine in a simulated sandy coastal marine habitat with a stable isotopic tracer, 15N-[RDX]” Thivanka Ariyarathna, Mark Ballentine, Penny Vlahos, Richard W. Smith, Christopher Cooper, John K. Böhlke, Stephen Fallis, Thomas J. Groshens and Craig Tobias