ahura first defender acquisition and application in the academic environment
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Ahura First Defender: Acquisition and Application in the Academic Environment. 2013 College and University Hazardous Waste Conference Kyle Dagestad Sean Whalen Iowa State University. Introduction. The Money - Sean The Selection - Sean The Equipment - Kyle The Goods and The Bads - Kyle

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ahura first defender acquisition and application in the academic environment

Ahura First Defender:Acquisition and Applicationin the Academic Environment

2013 College and University

Hazardous Waste Conference

Kyle Dagestad

Sean Whalen

Iowa State University

introduction
Introduction
  • The Money - Sean
  • The Selection - Sean
  • The Equipment - Kyle
  • The Goods and The Bads- Kyle
  • Safety and Maintenance – Kyle
the money
The Money
  • Homeland Security Buffer Zone Program
    • Grant through ISU-Police
      • FTIR and RAMAN for unknowns
      • $82,500
    • Equipment only
      • Purchased the Ahura First Defender ($35,000) and Tru Defender ($47,500)
      • EH&S owns equipment
      • Tru Defender on loan to Ames Fire HAZMAT
the selection
The Selection
  • Two primary suppliers
    • Ahura Scientific
    • Smith’s Detection
  • Disclaimer
  • Representative Presentations
  • Field Tests
  • Matrix
field tests
Field Tests
  • Two Unknown “Spills”
    • Citric Acid
    • Soda Ash
  • Lab Unknowns
    • Corrosives
    • Solvents
    • Metals
    • Mixtures
field test
Field Test

Ahura

Smith’s

Provides options

Results

50% spill

47% unknowns

False Positives

Ketamine as TNT

Trimethylamine HCl as molybdenum oxide or propanol

  • Either Yes or No
  • Results
    • 50% spill
    • 73% unknowns
    • High fluorescence is biggest problem
matrix
Matrix
  • Pointed out best unit
  • Ahura scored highest
  • Ahura more expensive
  • Had to write justification
the equipment
The Equipment

How does it work?

  • Raman Spectroscopy: Molecular “fingerprint” of the molecule
  • Class 3B laser excites the molecular bonds and scatters measurable light to identify unknowns
  • ISU Ahura library- 10,152
why the ahura first defender
Why the AhuraFirst Defender?
  • Currently used by law enforcement, firefighters, and the military
  • Very durable (4 Feet & 1 Meter)
  • No calibration needed-confidence check
  • User friendly
  • Ahura Customer Support- 24/7- 365
identification capabilities
Identification Capabilities
  • Drugs (illegal & prescription)
  • White powders
  • Inorganic compounds- (sulfuric acid, nitric)
  • Inorganic oxides- (rust, titanium dioxide)
  • Ionic compounds-(sulfates, phosphates)
  • Substances in water
  • Identifies through container
identification limitations
IdentificationLimitations
  • No covalent bonds
  • Dark colored materials
  • Highly fluorescent materials- (dyes, ketchup)
  • The sun can disrupt scan
  • Most pure metals and elemental substances
  • Biologicals- confused by mix of proteins, and fats
  • Radiation, gasses, and vapors
  • Highly diluted substances
safety
Safety
  • Follow your organization’s Laser Safety Protocols -Eyewear
  • Maintain 14” distance
  • Laser activated- don’t look into lens
  • NOT intrinsically safe
maintenance
Maintenance

Cleaning

  • Water, alcohol, household bleach
  • Keep lens & nose cone clean

Updating

  • Chemical library updates
  • “LibBuild Mode”
  • Good spectrum, but no match? Export- “Ahura Reachback”
demonstration performance
Demonstration Performance

Point and shoot through a bottle?

No problem!

Why you shouldn’t scan dark colored materials video.

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