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Hazmat Tech Detect

Detection Devices

QuestionAnswer
What tools and detection devices can be used to identify Nerve Agents? 1. Colormetric Tubes 2. M18A2 Chemical Detection Kit (Not in inventory) 3. ICAM 4. Detection Paper (M8/M9) 5. Enzyme tickets (M256) 6. Infrared Spectrometry 7. Ion-Mobility Spectrometry (ICAM, ACADA) 8. Photo-Ionization
What tools and detection devices can be used to identify Vesicants (blister agents)? 1. Colormetric tubes 2. M18A2 Chemical Detection Kit 3. ICAM 4. Detection (M8/M9) Paper 5. Enzyme Tickets (M256 Kit) 6. Infrared Spectrometry 7. Ion-Mobility Spectrometry (ICAM, ACADA) 8. Photo-Ionization Detector
What tools and detection devices can be used to identify Biological agents and toxins? 1. Hand Held Assays 2. Infrared Spectrometry (Only the presence)
What tools and detection devices can be used to identify Irritants (riot control agents)? 1. Colormetric tubes 2. Ion-Mobility Spectrometry 3. Can not be detected with air monitoring devices
What are the steps for identifying unknown solid and liquid materials? 1. Wear level A protective clothing 2. Approach cautiously from upwind 3. Measure in the following order a. Radioactivity b. Combustibility c. Oxygen availability/deficiency d. pH, if liquid e. Hydrogen sulfide f. Carbon Monoxide g. Organi
What is used to determine Corrosivity pH? litmus dye, pH paper, probes
What is used to determine Flammability? CGI, Multi-Gas, Colormetric tubes, PID, FID
What is used to determine Oxidation Potential? O2 monitors, Some multi gas detectors
What is used to determine Oxygen deficiency? O2 monitors, Some multi gas detectors
What is used to determine Radioactivity? ANVDR2, ANPDR77, Dosimeter, Badges
What is used to determine Toxic Levels? Multi gas monitors, ICAM nerve and blister
What are the Capabilities of the Carbon Monoxide meter? 1. Measures the concentration of carbon monoxide 2. Warns responders of possible ongoing combustion 3. Provides immediate results
What are the Limitations of the Carbon Monoxide Meter? 1. Limited in that it measures only carbon monoxide. 2. The meter may not indicate whether an area is oxygen deficient. 3. Does not indicate the percent of lower explosive limit (LEL).
What are the Capabilities of the Colormetric Tubes? Detects specific gases and vapors
What are the Limitations of the Colormetric Tubes? 1. Will not provide specific quantitative results. 2. Not able to interchange different manufacturer's tubes. 3. May give "false positive" readings 4. May not be very accurate. 5. Interpreting color change to determine concentration may be difficult.
What are the Capabilities of a Combustible Gas Indicator? 1. Measures the concentration of a combustible gas or vapor in the atmosphere. 2. Used to determine the presence of flammable vapors of hydrocarbon products.
What are the Limitations of a Combustible Gas Indicator? 1. Intended for use in normal atmospheres. 2. Requires an initial warm-up period for platinum catalyst. 3. Does not identify other hazards such as toxicity. 4. Operating filament is damaged by certain materials, including silicone, and acid gases.
How does a Combustible Gas Indicator work? The platinum catalyst is connected to an electrical surface known as a (Wheatstone Bridge) so that increases in temperature give a corresponding indication on the meter. Determines either LEL, ppm, or % gas by volume.
What are the Capabilities of an Oxygen meter? 1. Oxygen deficient and enriched atmospheres. 2. Measures the percentage of oxygen in the atmosphere. 3. Should measure both oxygen-deficient and oxygen-enriched atmospheres.
What are the Capabilities of a Passive Dosimeter? 1. Specific chemical hazards 2. Used to determine the chemical exposure that an individual receives, while working around a specific material or area.
What are the Limitations of a Passive Dosimeter? 1. Product specific and other chemicals may interfere with the readings. 2. Must use the specific badge for the materials in question 3. Delayed results, depending on need for further laboratory analysis.
What are the Capabilities of Photoionization detectors? 1. Organic and some inorganic gases and vapors. 2. Detects total concentration of numerous organic and some inorganic gases and vapors. 3. Is usually a common measuring/survey device for emergency response. 4. Can be used to measure toxic exposures.
What are the Limitations of Photoionization detectors? 1. Must be calibrated 2. Does not detect methane 3. Reading may change if gases are mixed 4. Radio Freq, Power lines, Transformers, Dust, and High humidity interfer with readings. If the IP of the sample is above the eV rating of the lamp, no reading.
What are the Capabilities of pH indicators/ or pH meters? Measures the acidity or alkalinity of corrosive material.
What are the Limitations of pH indicators/ or pH meters? 1. Does not provide specific concentration of corrosive material. 2. Must be calibrated before each use. 3. Probes must be thoroughly rinsed with distilled water before and after use. 4. Close proximity to material 5. Must have accurate color percepti
What is the most common Radiation Detection Instrument? The Geiger-Mueller.
What are the Limitations of Radiation Detection Instruments? 1. No response does not equal clean 2. EM fields can give "false positive" 3. Measurements can be affected by wind, shielding, etc. 4. Weak batteries produce erratic readings. 5. Only measure gamma rays and will detect, but not measure (A, B, N)
What are the Capabilities of Reagents? A substance or solution combined with a material causing a chemical reaction.
What are the Limitations of Reagents? For specific chemical and biological materials.
Identify Sampling Team Roles 1. Consist of at least two personnel 2. Prepare all the items necessary to conduct sampling operations. 3. Use the layered-glove method for sampling operations. 4. Avoid getting gloves contaminated during sampling operations.
When should samples be taken? 1. As soon as possible after suspected CB contamination is encountered. 2. As directed by higher HQ.
Why is air good for samples? Air is a good sample matrix since it is a well-mixed medium.
When is a soil sample preferred? Soil is a good medium to sample for toxic organic compounds.
What is the minimum information required for chain of custody that is listed on the outside of a sample container? 1. Date, time, and location of sample 2. Identification of person who took the sample 3. Physical description of sample 4. Sample number (samples are numbered consecutively).
What are the forms that team members complete as a written record for each sample transported? 1. DD Form 1911 2. DA Form 4137 3. CDC laboratory response network chain-of-custody form 4. Forms given by Authority Having Jurisdiction
What are Examples of some hazardous Materials Databases? Computer Aided Management of Emergency Operations (CAMEO); Agency for Toxic Substances and Disease Registry's (ATSDR); Chemical Hazard Response Information System (CHRIS); MEDITEXT; HAZARDTEXT; Hazardous Substances Data Bank (HSDB); IRIS; RTECS
What are the sources of information? 1. Databases 2. Maps and diagrams 3. Monitoring equipment 4. Reference manuals 5. Technical Information Centers 6. Technical Information Specialist
What are the two ways to determine loss of a product? Gauging Devices and Frost Line
How does a pipeline carry different products? Different products may be transported in the same line using "pigs" to separate the products.
What are some examples of container specific markings? 1. UN Symbol 2. Packaging identification code 3. Performance standard 4. Maximum rated specific gravity 5. Container origination 6. Authorizing state (country) 7. Minimum thickness for reuse (metal or plastic drums or jerricans) 8. Test pressure
How would you identify ownership of a pipeline? Pipeline Marker (POE: Product, Ownership, Emergency Contact Information)
Created by: oldsmaug
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