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Homeland Security Presentations & Publications

 

2008 Pittcon Poster: TIC & CWA

 

Case Study: Air Sampling in (NBCRV) Nuclear, Biological and Chemical Reconnaissance Vehicle

 

Rapid Chemical Sampling and Analysis using EntechCanister and Large Volume Headspace Methods

 

Hot Zone Forensics: Chemical, Biological, and Radiological Evidence Collection
by Steven C. Drielak
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Proposed US ARMY Chemical Reconnaissance Vehicle uses Entech MiniCans for sample collection

Evidence Collection
from a Chemical Attack

The number of chemical warfare agents (CWAs), not to mention toxic industrial materials (TIMs) is enormous. Responding to an unknown accidental or deliberate release of these compounds requires a universal sampling and analytical approach. Portable instruments may not reach the detection limits required to identify these compounds. No one single adsorbent is capable of capturing the potential range of compounds that could be used in a terrorist event or an accidental release of unknown origin.

 

Sampling canisters are easily deployed in mass among first respondents, and little advanced training is required for sample collection. No power is required for collecting samples so the canisters are always ready.

 

Sample canisters can be decontaminated and tested in a safe zone with a mobile laboratory. This minimizes the number of analytical instruments and trained operators required to cover a region. Even small communities can respond to chemical releases by sending samples to state or federal agencies.

 

Canisters also serve to archive samples. This is vital when the toxic release is believed to be deliberate. Archived samples can be saved for follow-up testing by federal security agencies that may be involved in criminal or military prosecution.



Inlet: 8000-LVSH
System Configurations: E, F
Sample Size: 100cc
Matrix Management: On Column
Column: HP1, 60m, 0.32mm ID, 1um film
Carrier: He, 1.5 ccm constant flow
Oven Temp: 35°C 5 min, 6°C/min to 140°C
15°C/min to 220°C, 3 min hold
GCMS: HP 5973
MS Operation:
33-270 amu, 3.1Hz, EI,EM=0 Rel.
Tune: BFB
GC: HP 5890

 

Compounds:
1. 1,4 Thioxane
2. Methyl Caproate
3. Dimethyl Methyl Phosphonate
4. Allyl Caproate
5. Triethyl Phosphate
6. Methyl Salicylate
7. Allyl Octonate
8. Diethyl Sebacate


Sampling

 

MiniCan

29-MC400L

Quick Fill Sampler

39-QFS

Analysis

 

8000 Preconcentrator

 

GC/MS