Explosive concentration (ng/L) Collection matrix (Horizontal/Vertical) Collection matrix (Horizontal/Vertical) Collection matrix (Horizontal/Vertical)
SSM PFS LCP
TNT (12) No/No No/No No/No
TNT (24) No/No No/No Yes/Yes
TNT (49) Yes/No Yes/Yes Yes/Yes
RDX (24) No/No No/No No/No
RDX (49) No/No Yes/Yes Yes/Yes
PETN (49) No/No No/No No/No