Nylon-11 Bag
Definition
Specialised fire-debris bag (Tinius Olsen pouch) that does not leak light hydrocarbons. Polyethylene bags are forbidden because they let pentane, hexane and other light cuts diffuse out.
Related terms
- Blast Over-Pressure
- The shock-wave pressure above ambient atmospheric pressure. Mapped in concentric zones around the seat: Zone I (over 70 kPa, total destruction), Zone...
- BNSS Section 176(3)
- Bharatiya Nagarik Suraksha Sanhita 2023 provision requiring a forensic-team visit to the scene of any offence punishable with seven years or more...
- Crater Analysis
- Measurement of crater diameter, depth and ejecta direction at the seat of explosion. Feeds Hopkinson-Cranz scaling to estimate explosive type and charge...
- NSG SAG and Bomb Squad
- National Security Guard Special Action Group plus Bomb Disposal Unit. India's first call for major terrorist devices; renders safe and supplies post-blast...
- Quart Metal Paint Can
- Standard ASTM E1413 container for fire-debris samples. Holds volatile residues for charcoal-strip extraction (ASTM E1412). Unlined cans preferred for hydrocarbon accelerants.
- Seat of Explosion
- The physical location at the centre of an explosion, identified by maximum crater depth, convergence of fragment-throw vectors, and highest damage density....
- V-Pattern
- A V-shaped area of heat and smoke damage on a vertical surface, produced by the upward cone of the fire plume; the...
Explained in
- Investigation of Explosion and Arson CasesSpecialised fire-debris bag (Tinius Olsen pouch) that does not leak light hydrocarbons. Polyethylene bags are forbidden because they let pentane, hexane and ot...