Chapter 11: Air Monitoring and Sampling Flashcards
Which of the following statements regarding air monitoring and sampling is MOST accurate? (512)
A. Few devices are able to detect all hazardous materials.
B. Responders should only use one type of instrument for
monitoring.
C. Air monitoring and sampling may be performed by AwarenessLevel personnel.
D. Air monitoring and sampling can assist in determining
perimeters and the scope of the incident.
Air monitoring and sampling can assist in determining
perimeters and the scope of the incident.
Which of the following is an air monitoring and sampling
responsibility of responders? (513)
A. Repair devices as necessary
B. Service devices at the scene
C. Analyze samples in a laboratory setting
D. Interpret the data provided by detection devices
Interpret the data provided by detection devices
Air monitoring and sampling must include: (513)
A. search warrants.
B. chain of custody.
C. crime scene preservation.
D. analysis of hazardous materials at the scene.
chain of custody.
Which of the following is used for expressing the concentration of a gas or vapor in the air? (514) A. Parts per million (ppm) B. Grams per kilogram (g/kg) C. Milligrams per kilogram (mg/kg) D. Milligrams per cubic meter (mg/m3)
Parts per million (ppm)
Which of the following is usually used to express extremely low concentrations of unusually toxic gases or vapors? (514)
A. Parts per billion (ppb)
B. Milligrams per liter (mg/L)
C. Milligrams per kilogram (mg/kg)
D. Micrograms of material per liter of air (µg/L)
Parts per billion (ppb)
Which of the following is a unit for expressing concentrations of chemicals in water? (514) A. Parts per million (ppm) B. Milligrams per liter (mg/L) C. Micrograms per liter (µg/L) D. Grams per kilogram (g/kg)
Milligrams per liter (mg/L)
Concentrations that are high enough to kill or cause serious injury or illness are expressed in terms of: (514)
A. threshold limit value (TLV®).
B. permissible exposure limit (PEL).
C. short-term exposure limit (STEL).
D. immediately dangerous to life or health (IDLH).
immediately dangerous to life or health (IDLH).
Which of the following dictate detection and monitoring strategies? (518) A. Hazards B. Oxygen levels C. Training levels of responders D. Standard order of procedures (SOPs)
Hazards
A monitoring plan should consider which of the following questions? (519) A. What equipment is available? B. What type of hazard is present? C. Why is monitoring being conducted? D. Which readings are most important?
Why is monitoring being conducted?
Monitoring should be performed: (519)
A. only by the Incident Commander.
B. only by Operations-Level responders.
C. under the direction of the Safety Officer.
D. under the direction of a haz mat technician.
under the direction of a haz mat technician.
What should be done with damaged devices? (519) A. Taken out of service B. Used only as back-up C. Repaired at the scene D. Used only sporadically
Taken out of service
Which of the following is a safety precaution while monitoring? (519)
A. Move quickly.
B. Always work alone.
C. Approach the hazard area from downwind.
D. Monitor at ground level, waist level, and above the head.
Monitor at ground level, waist level, and above the head.
Which of the following is a consideration when selecting detection and monitoring devices? (522-523) A. Usability B. Instrument reaction time C. Fire department’s mission D. Quantity of hazards involved
Instrument reaction time
Most instruments need to be calibrated: (523) A. prior to use. B. every two months. C. every six months. D. at least once a year
prior to use.
Which property of corrosives is the degree to which the chemical is diluted? (524) A. pH B. Strength C. Intensity D. Concentration
Concentration
Which detection equipment is designed to change colour when in contact with corrosive materials? (526) A. pH paper B. Fluoride test paper C. Combustible gas indicators D. Colorimetric indicator tubes
pH paper
Which detection equipment is used to protect responders in situations where the hazardous materials are unknown? (528) A. pH paper B. Oxygen meters C. Fluoride test paper D. Photoionization detections
Fluoride test paper
Oxygen levels below \_\_\_ are considered deficient. (528) A. 19.5% B. 20.9% C. 21.5% D. 22.9%
19.5%
Combustible gas indicators (CGIs) measure the amount of: (530)
A. organic peroxides.
B. combustible gases in the air.
C. organic and inorganic gases or vapors.
D. flammable vapours and gases in the atmosphere.
flammable vapours and gases in the atmosphere.
CGIs will sound an alarm at \_\_\_ of the lower explosive limit (LEL) of gas. (530) A. 10% B. 15% C. 20% D. 25%
10%
Which of the following are designed to detect a single chemical and are prone to degrade over time? (535) A. Raman spectrometers B. Photoionization detectors C. Chemical specific detectors D. Colorimetric indicator tubes
Chemical specific detectors
Which of the following use an ultraviolet lamp to ionize samples of gaseous materials? (536) A. Raman spectrometers B. Photoionization detectors C. Flame ionization detectors D. Colorimetric indicator tubes
Photoionization detectors
Which of the following are useful for confirming the presence of a suspected material, but not very useful for determining or detecting unidentified products? (538) A. Raman spectrometers B. Flame ionization detectors C. Chemical specific detectors D. Colorimetric indicator tubes
Colorimetric indicator tubes
Which of the following are used when small concentrations of contaminants are suspected? (540) A. Raman spectrometers B. Photoionization detectors C. Flame ionization detectors D. Colorimetric indicator tubes
Flame ionization detectors
Which of the following make identification by comparing unique signatures to a library of known signatures? (541) A. Raman spectrometers B. Flame ionization detectors C. Chemical specific detectors D. Colorimetric indicator tubes
Raman spectrometers
Oxidizers can be detected by: (542) A. pH paper. B. oxygen monitors. C. photoionization detectors. D. potassium iodide starch paper
potassium iodide starch paper
What is a limitation of oxidizer detectors? (542) A. High error rate B. Will NOT detect inorganic compounds C. Responder must be in close proximity D. Too much oxygen can damage sensors
Responder must be in close proximity
Roentgen applies only to \_\_\_ radiation. (543) A. beta B. alpha C. gamma D. neutron
gamma
Which unit is used to measure the amount of radiation energy absorbed by a material? (543) A. Roentgen (R) B. Radiation absorbed dose (rad) C. Radiation absorbed in man (ram) D. Roentgen equivalent in man (rem)
Radiation absorbed dose (rad)
Radiation cannot be: (543) A. felt. B. tested. C. measured. D. contained.
felt.
Which of the following is NOT a group of radiation tools? (544)
A. Instruments detecting contamination
B. Instruments measuring oxygen levels
C. Instruments measuring radiation exposure
D. Instruments used for dose monitoring and personal dosimetry
Instruments measuring oxygen levels
Which of the following detectors uses regular ambient air as the detection gas? (545) A. GM detector B. Ion chamber C. Dosimetry device D. Scintillation detector
GM detector
Which of the following detectors is most useful when detection of very small amounts of radiation is required? (545) A. GM detector B. Ion chamber C. Dosimetry device D. Scintillation detector
Scintillation detector
Which of the following detectors is useful for keeping track of the wearer’s total accumulated radiation dose? (546) A. GM detector B. Ion chamber C. Dosimetry device D. Scintillation detector
Dosimetry device
Which of the following statements regarding detection of reactives is MOST accurate? (547)
A. There is no meter or device designed to detect reactive materials.
B. Responders need to look for oxygen levels that cannot be accounted for.
C. Responders can use infrared cameras to detect the presence of reactives.
D. Chemical reactions of concern to emergency responders will emit extremely low temperatures.
There is no meter or device designed to detect reactive materials.
Which of the following utilize various technologies to specifically detect chemical warfare agents? (547) A. Mass spectrometers B. Ion-mobility spectrometers C. Chemical agent monitors (CAMs) D. Gas chromatography (CG) detectors
Chemical agent monitors (CAMs)
Which technology uses a highly sensitive microphone to listen to the sound made when a material absorbs infrared radiation? (548)
A. Gas chromatography (CG)
B. Thermoelectric conductivity
C. Photoacoustic IR spectroscopy (PIRS)
D. Surface acoustical wave (SAW) technology
Photoacoustic IR spectroscopy (PIRS)
Which of the following are chemical analysis instruments used to separate and identify chemicals in a complex sample? (549) A. DNA fluoroscopy devices B. Wet chemistry testing kits C. Biological immunoassay indicators D. Gas chromatography (CG) detectors
Gas chromatography (CG) detectors
Which of the following are used to detect nerve agents and blister agents? (550)
A. Mass spectrometers
B. Chemical agent monitors (CAMs)
C. Surface acoustical wave devices (SAWs)
D. Polymerase chain reaction devices (PCRs)
Surface acoustical wave devices (SAWs)
