Chapter 5 Questions Flashcards
What is a feature that technicians should consider when evaluating detection and monitoring equipment?
A. Abilty to detect. Many types of hazardous materials
B. Usabilty in a hazardous environment
C. Ability to automatically log restuls
D. The configuration of the device
B. Usability in a hazardous environment
What are the two categories of hazmat crime scenes?
A. Violent crimes and nonviolent crimes
B. Traditiaonl crime and WMD or CBRNE event
C. Indoor scenes and outdoor scenes
D. Contaminated scenes and decontaminated scenes
B. Traditional crime and WMD or CBRN event
The two main methods of sampling to detemne exposures to chemical hazards are:
A. Bump testing and field screening
B. Individual monitoring and area monitoring
C. Interference monitoring and field monitoring
D. Sample planning and calibration
B. Individual monitoring and area monitoriing
How can hazardous products potentially affect detection and monitoring equipment?
A. Interrupt the chain of custody
B. Cause total failure of the equipment
C. Provent the collection of samples
D. Provide opportunities to collect blank samples
B. Cause total failure of the equipment
What can be defined as a response to known or unknown chemicals or products that will trigger some action? A. Hazardous levels B. Bump testing C. Field testing D. Action levles
D. Action levels
Decontaminating evidence removes contamination from the: A. Exterior and interior of the package B. Exterior package only C. Responder D. Interior package only
B. Exterior package only
When technicians respond to incidents of a criminal nature, sampling concerns extend beyond public health and the samples become: A. Control samples B. Evidence C. Cross-sensitivities D. Blank samples
B. Evidence
Detection and monitoring equipment can be used to:
A. Assist in evaluating the health and safety effects of a chemical
B. Idenitfy any and all unknown compounds
C. Completely identify or quantitate compounds that are identified
D. Assist in the decontamination of evidence
A. Assist in evaluating the health and safety effects of a chemcial
When monitoring instruments are adjusted to respond accurately to a given vapor or gas within a specific concentration range, they have been: A. Purged B decontaminated C. Calibrated D. Field tested
C. Calibrated
A legal document that is a written history that must include each person who maintains physical control over an item throughout the process is the: A. Field screening results B. Sampling plan C. Chain of custody D. Evidence log
C. Chain of custody
What must technicians conduct to eliminate specific hazards before the samples can be sent to a laboratory? A. Bump tests B. Field screens C. Calibration D. Purging
B. Field screens
Monitoring that relies on normal air movements and currents to obtain the sample is: A. Dosimetry B. Passive monitoring C. Active monitoring D. Sampling
B. Passive monitoring
During the response, investigators will:
A. Prepare containers before entering the exclusion zone
B. Collect each item identifed as evidence
C. Perform hazardous materials monitoring
D. Perform hazardus materials detection
B. Collect each item identified as evidence
The practice of tracking an item from the time it is found until it is ultimately disposed of or returned to the owner is known as: A. Calibration B. Chain of custody C. Sampling planning D. Decontamination
B. Chain of custody
Hazardous products can protentially affect detection and monitoring equipment by: A. Contaminating taken samples B. Preventing accurate readings C. Interrupting the chain of custody D. Restting the calibration
B. Preventing accurate readings
When an action level is reached, it may trigger: A. Implementing a chain of custody B. A need for more personnel C. Total evacuation D. A bump test on all equipment
C. Total evacuation
The lowest concentration to which an instrument will respond is known as the lower: A. Saturation B. Detection limit C. Operation limit D. Purging
B. Detection limit
What type of test verifies the instrument’s calibration by exposing it to a known concentration of test gas? A. Gas test B. Accuracy test C. Response test D. Bump test
D. Bump test
The ability of an instrument to detect and measure a specific chemical or group of similar chemicals is known as: A. Reliability B. Specificity C. Accuracy D. Selectivity
D. Selectivity
What is a potential source of interference for a photoionization detector? A. Hydrogen B. Carbon dioxide C. Water vapor D. Silicone spray
C. Water vapor
When working around containers, technicians should attempt air monitoring through: A. The entire area B. Each container C. Large containers D. Open vents
D. Open vents
Chain of custody is primarily used during: A. Field screening B. Confied space monitoring C. Evidence collection activities D. Bump tests
C. Evidence collection activities
Each person in the chain of custody is a candidate for: A. Witness protection B. Medical monitoring C. Decontamination procedures D. Court subpoena
D. Court subpoena
What is an example of preserving evidence during decontamination? A. Obtaining control samples B. Taking wipe samples before and after C. Decontaminating only packaging D. Preserving figerprints
D. Preserving fingerprints
What are used when contaminants are visible or suspected on surfaces? A. Wipe samples B. Control samples C. Field samples D. Blank samples
A. Wipe samples
The sampling method and equipment and determined by the particular type of materials and the: A. Time of day B. Action level C. Amount of material D. Termperature
C. Amount of material
Monitoring must be carefully planned in order to: A. Dispense with PPER B. Bypass the chain of custody C. Contact law enforcement D. Avoid wasting time and resources
D. Avoid wasting time and resources
Hazmat technicians frequently encounter cross-sensitivities when monitoring in: A. Low concentration of product B. Outdoor incidents C. Confined spaces D. High concentrations of product
D. High concentrations of product
What must be tested before entering a confined space? A. The surfaces of the space B. The size of the space C. Any containers D. The atmosphere
D. The atmosphere
What type of monitoring is performed as a team at planned locaitons within a given area where chemcials dusts, vapor, or fumes arae generated? A. Area monitoring B. Confied space monitoring C. Individual monitoring D. Cargo monitoring
A. Area monitoring
When testing for an oxidizer in a field screen sample:
A. Use potassium iodide (KI) paper
B. Use a combustible gas meter to check flammability
C. Check for corrosives on liquids usiing pH paper
D. Check for alpha, beta, and gamma radiation
A. Use potassium iodide (KI) paper
Action levles are established by the: A. AHJ B. Technicians on the scene C. Safet officer D. Incident commander
A. AHJ
Before sending a sample to a laboratory, technicans must:
A. Completely decontaminate the entire sample
B. Bypass the chain of custody
C. Conduct field screens to eliminate specific hazaards
D. Contact law enforcement
C. Conduct field screens to eliminate specific hazards
The wait time between sample periods is part of: A. Instrument response time B. Evidence C. Calibration D. Interference
A. Instrument response time
What can be used to convert the instrument reading to the true concentration of the vapor or gas present? A. Calibration test B. Bump test C. Accuracy test D. Correction factors
D. Correction factors
The relationship between a true value and the instrument reading is known as: A. Interference B. Accuracy C. Reliability D. Amplication
B. Accuracy
