Bioenvironmental Engineering (BEE) Block 10 Practice Exam

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• Which sampling method is also known as haphazard sampling and is used when information suggests contamination in specific areas of a site?
• Legionella is a bacterium that can cause Legionnaires' disease. Which control measures are commonly used to reduce its growth in building water systems?
• Explain the concept of contact time for disinfectants and how it influences cleaning protocols in BEE facilities.
• Which OEHSA step is specifically designed to identify and map ambient threats and may require sampling equipment?
• Which assessment is designed to be short during which data required to characterize risks is collected and used to identify the need for more in-depth assessments, and is to detect ambient threats or hazards that pose potential health risks?
• What type of sample takes individual discrete samples and mixes them together to create a well-mixed average concentration sample for an entire sample area?
• In fit testing for respiratory protection, what is the difference between qualitative and quantitative methods?
• Can augers be used to sample for volatile organic compounds (VOCs)?
• Which statement describes a typical BEE involvement in site selection?
• Why is soil composition important for site selection?
• Which type of tube sampler is a narrow tube (with a T-handle) that is open on one side and is used primarily for sampling of loose soil on the surface or just under the surface?
• A permit-to-work for confined space entry must include which of the following information?
• Which type of auger bores holes in the soil and the sample is then collected with an alternate device?
• What is the general term for sampling not based on probability that relies on knowledge or judgment?
• What are the main differences between chemical hazard classes in GHS and how do you communicate these in a BEE program?
• Name two main types of biosafety cabinets and describe their protection level and typical use in BEE labs.
• In a BEE program, how would you assess the effectiveness of a PPE program after implementing new respirators?
• Which statement about tube samplers is true?
• Which statement correctly identifies a typical IAQ indicator and its interpretation?
• In occupational noise, exposure is quantified as dose or Leq over a work shift. Which standard commonly defines acceptable daily exposure limits?
• What are single-piece hollow metal tubes that are driven into the soil to collect soil samples?
• Which step in the OEHSA process is in which assessors visually and physically observe the site, structures located on the site, and the area surrounding the site for indications of impacts or potential impacts to the environment or human health and safety?
• What are two types of augers?
• Which considerations guide the placement of a containment cabinet inside a room to minimize cross-contamination and ensure proper airflow?
• OEHSA focus on collecting site-specific data to identify and quantify OEH threats in the workplace, also referred to as what?
• What is the purpose of a chemical hygiene plan (CHP), and what are three core components?
• Which step in the OEHSA process follows intelligence and, generally includes a written and graphical depiction of OEH threats and how people come into contact with the threats?
• Storage tanks should be located at least how far from the sewage disposal system?
• Which type of tube sampler is best for undisturbed soil samples taken at depths greater than 1 foot, but cannot penetrate stony or rocky soil?
• Statistical sampling is used when which condition applies?
• What equipment is described as field-portable as a self-contained backpack with a serial number?
• How far should latrines and showers be placed from water sources?
• What is the purpose of sampling?
• How is a safe worker exposure limit estimated when only a proxy measurement is available?
• How far can the push tube sampler reach?
• Which organization typically enforces legally binding exposure limits known as OELs in the United States?
• Identify three indicators of an indoor air quality (IAQ) problem and a corresponding remediation action.
• Which factors influence the decision to vaccinate workers against specific pathogens in a BEE setting?
• What is the difference between disinfectants and sterilants, and when should each be used in BEE operations?
• Which statement is true about non-statistical sampling?
• One objective is to inform commanders of health threats and risk mitigation options through HRA.
• Which steps are included in a basic risk assessment for airborne transmission of a pathogen in a lab or facility?
• Which sampling method is used to target areas with known hotspots and requires local knowledge?
• Which type of sampling uses probability or chance to assess site contamination cost-effectively?
• What is the primary purpose of risk assessment in the context of chemical inventory and exposure controls?
• Once samples are collected per the sampling strategy, they may need to be what before analysis or shipment?
• Which of the following is a statistical sampling method?
• Where should Watering points be placed on sites?
• For foreign soil, where must the PPQ 525 Soil Permit be placed on the shipment container?
• Which type of auger has several different types of interchangeable heads and is designed to take larger volumes of soil?
• In environmental monitoring for BEE, how do active and passive sampling differ, and what is an example of each?
• A copy of the PPQ 525 Soil Permit must accompany which shipments?
• Which activity may be part of BEE's role in site selection?
• Explain the concept of dose equivalent and the units used for occupational radiation exposure.
• It is important to what the equipment and manpower available, as well as laboratory capabilities and availability of other resources?
• Which document must be addressed exactly as written on the shipment label?
• What are the critical elements of an EH&S program management plan for BEE, and how is effectiveness measured?
• What is a common method to monitor drinking water quality in a BEE facility?
• Which statistical sampling method is used to sample small, localized areas with high contaminant concentrations and a known history?
• Gas-powered augers can reach up to what?
• Which strategy is central to preventing pest-borne disease exposure in a BEE facility?
• Distinguish between an OSHA PEL and an ACGIH TLV in terms of enforceability and typical use in exposure assessment.
• Which type of tube sampler is a single-piece metal tube that is forcefully driven into the soil or sediment at the bottom of the borehole to collect an undisturbed subsurface sample?
• Describe how to monitor and manage hot work operations in a BEE environment to prevent fires.
• Outline a basic plan for monitoring VOCs in a paint shop, including sampling method and how you would decide pass/fail against exposure limits.
• Which instrument is driven into the soil at the bottom of the borehole to collect an undisturbed subsurface sample?
• What is the process of validating that previous data and assumptions remain true or have changed?
• What is a spill response plan for hazardous materials and what are its key components?
• What are some goals of sampling?
• One objective is to collect and document OEH exposure data for the service member's LER.
• What are the components of the hierarchy of controls, and provide one example of each in a BEE setting?
• What is the purpose of secondary containment in hazardous waste storage?
• What device screws into the soil and churns the soil to be sampled?
• Which factor is listed as part of the site evaluation areas in OEHSA considerations?
• Which technique is used by the HAZMATID EliteTM to identify chemicals by comparing infrared absorption to its library?
• Which sampling process sorts a sample to obtain uniform particle sizes using screens of predetermined size?
• Which of the following is a listed type of tube sampler?
• Which analytical method is commonly used to quantify VOCs in air samples collected in a paint shop?
• Define risk assessment and list the four steps in a typical hazard analysis for a BEE program.
• Which type of sample is obtained by mixing or blending a soil sample in an attempt to provide uniform distribution of contaminants?
• What should be avoided when placing drainage at a site?
• What is the role of a residual disinfectant in preventing microbial growth in a building's water distribution system?
• Which statement correctly differentiates occupational exposure limits (OELs) and threshold limit values (TLVs), and how they are used in a bioenvironmental engineering program?
• Why is it essential to update a chemical inventory regularly in BEE compliance?
• What is a leak test for piping systems and what standard method might you use?
• Define WBGT and name three engineering controls to reduce heat stress in a BEE facility.
• Which term describes maintaining the sample's condition between collection and analysis?
• How is the adequacy of ventilation evaluated in a lab that handles exothermic reactions generating fumes?
• Why does BEE sample the soil?
• Which items are typical components of a chemical hygiene plan?
• What are used to fill containers, remove debris, dig trenches, and collect samples?
• What are two types of non-statistical sampling?
• Which of the following should be considered when planning a sampling program to ensure feasibility and quality?
• Why should soil composition be considered when selecting a site?
• What label color should be attached to the exterior of each package, per PPQ Form 550?
• What is a disadvantage of the HAZMATID EliteTM?
• In risk communication, what is the purpose of hazard pictograms and signal words on chemical labels?
• Which statistical sampling method is the most common and involves dividing the area into grids with predetermined sampling intervals?
• What is the primary reason to segregate waste streams by hazard in BEE facilities?
• What must be enclosed in the primary container when shipping a soil sample?
• Which option correctly lists the resources used to help preserve samples?
• What are the key steps to implement a respiratory protection program (RPP) in a BEE facility, including fit testing and medical clearance?
• Which document verifies eligibility to receive soil samples under the PPQ program?
• Which statement best describes tube samplers?
• Which of the following describes basic requirements for hazardous waste labeling and storage in a BEE program?
• Which of the following is listed as a sampling goal?
• What does the PPQ 525 Soil Permit certify?
• Which temperature condition best preserves contaminants in samples?
• Which organization issues the PPQ 525 Soil Permit used in soil shipments?
• In facility design, how does Hazard Analysis influence layout decisions?
• Which step in the OEHSA process is assessments conducted to detect or identify ambient threats or hazards that pose potential health risks, and may require sampling?
• Legionella is a bacterium that can cause Legionnaires' disease. Which setting is least effective in reducing Legionella risk?
• Which group provides customers with the primary containers needed for shipping soil, along with a permit copy, the Black/White label, and sampling instructions?
• Can the HAZMATID EliteTM quantify chemicals?
• What information must be included on a Safety Data Sheet (SDS) under the Globally Harmonized System (GHS)?
• Which factor is NOT listed as a determinant when choosing between an air-purifying respirator with cartridges and a supplied-air system?
• Compare BSL-2 and BSL-3 containment features and give a typical example of work at each level.
• Where should Waste Disposal Areas be placed on sites?
• Which item is included as an area to consider when evaluating a site?
• Hand augers can reach depths of up to what?
• The HAZMATID EliteTM does what with chemical absorption that is unique to each chemical through infrared spectroscopy to its library database to identify chemicals?
• What is the primary purpose of standard operating procedures (SOPs) in chemical handling?
• Which of the following are sampling methods used to quantify bioaerosols in occupational settings?
• What type of primary container is required for shipping soil?
• Periodic sampling and trending helps detect changes in which water quality parameters?
• One objective is to prevent mission interference.
• What is the definition of a composite sample?
• Which metric is most commonly used to measure the effectiveness of an EH&S program in a BEE setting?
• The equipment used to soil sample is based on factors such as depth of sample, the type of soil, analytes of concern, and the type of sample. Which option correctly reflects this statement?
• What information does a chemical hazard classification provide for BEE programs?
• Which statistical sampling method involves dividing the entire area into strata to capture variation in contamination?
• What is the purpose of smoke testing in evaluating containment in lab ventilation?
• What is the term for the record that documents the custody transfer of a soil sample from collection to laboratory analysis?
• Should samples be frozen?
• Which statements best describes how GHS communicates hazards?
• Which sampling method divides the entire area into grids and collects samples at predetermined intervals, and is the most common statistical method?
• Which statement best describes an AOR in OEHSA terminology?
• What provides the capability for identifying solids, liquids, and pastes that are organic or some inorganic compounds, and organic compounds with covalent bonds?
• Which of the following is not a listed type of tube sampler?
• Which group is responsible for providing customers with primary shipping containers and related paperwork for soils?
• Which organization provides the PPQ 525 Soil Permit?
• Which statement best describes the purpose of the PPQ Form 550 Black/White label?
• Which statement about VOC sampling with soil sampling devices is true?
• What is waste segregation and why is it critical in BEE programs dealing with biological or chemical wastes?
• What is the key operational health tool BE uses for producing data used for health risk assessment and to satisfy OEH surveillance requirements?
• How far can the Veihmeyer Tube Sampler reach?
• Which step in the OEHSA process focuses on establishing the boundaries of the site assessment, where workplaces and AORs are delineated, and similar mission activities are associated to each other?
• Besides temperature, what should also be controlled to preserve samples?
• Which step in the OEHSA process focuses on considering information that is already known about a site to identify present and past factors that could have adverse health effects?
• Which sampler should be used in rocky soils as a preferred option for undisturbed subsurface sampling?
• Where should Latrines And Showers be placed on sites?
• What is the purpose of preserving a sample?
• Are Tube samplers good for collecting VOC samples?
• An air volume of 420 m3 room with an air supply rate of 840 m3/h and no losses: what is the air changes per hour (ACH), and does it meet a target of 4–6 ACH?
• What is the purpose of shielding in radiation protection, and how do you determine appropriate shielding for a gamma source?
• During which OEHSA step are threats and exposure pathways typically described in a conceptual framework or diagram?
• Food facilities should be located at least how far from latrines?
• Which organization is abbreviated as USAPHC in this context?
• Which sampling technique is used as a preliminary screening technique?
• How many steps are in the OEHSA process?
• Describe three key components of an environmental health program that supports industrial hygiene in a production facility.
• What best describes the Incident Command System (ICS) in a BEE emergency response?
• Biased sampling is also known as which term?
• Explain how a Hazard Analysis is used in facility design and what information is typically included.
• Which option correctly identifies the organization that can assist with site selection and facility layout to minimize risk?
• In integrated pest management (IPM), what is emphasized regarding pesticide use?
• What does OEHSA stand for?
• Non-statistical sampling can be categorized into which two types?
• Which material is commonly used for shielding high-energy gamma radiation?
• Through what mechanism are health threats and risk mitigation options communicated to commanders?
• Which statistical sampling method targets known contaminant hotspots in a site?
• What can a AOR be?
• Why should prevailing winds be considered when selecting a site?
• What is an approach involving targeted sampling based on known information, requiring background information or professional judgment?
• Which type of tube sampler is split along the side for easy removal of the sample, is hammered into the soil for collection to a depth based on the length of the spoon, and is best used for samples at shallow depths?
• Which sampler is split along the side for easy removal of the sample, and is designed for shallow depths?
• Where should medical facilities be placed on sites for optimal safety and accessibility?
• What is a control banding approach, and when might it be used in BEE?
• What are the functions of a laboratory logbook in BEE experiments or testing?
• When a hazardous-material spill is detected, what is the first immediate action?
• Which sampling approach is based on subjective selection of sampling locations at a site, using historical information, visual inspection, and best professional judgment to identify contaminants?
• Define a bioaerosol, and name two sampling methods used to quantify bioaerosols in occupational settings.
• Who is requested to be contacted prior to performing any soil sampling?
• Sleeping areas should be placed in relation to latrines and flight line noise. Which statement is correct?
• Who's responsibilities are to execute OEHSAs, identify OEH hazards, analyze OEH hazards, control OEH hazards, assist with health risk management, and associate exposure with affected personnel?
• How do you prevent cross-contamination in a microbiology lab handling multiple strains?
• Which assessment is conducted if data or information collected during the pre-deployment/baseline step or if the routine assessment has identified a potential OEH risk?
• In the hierarchy of controls, which control category is generally considered the least effective at reducing risk on its own?
• Which organization is abbreviated as USAFSAM in this context?
• What is used in conjunction with collection devices, augments your ability to collect and transport samples for further analysis, and is field-portable as a self-contained backpack with a serial number?
• OEHSA get reassessed when?
• Which statement best describes TLVs when no OEL exists for a chemical?
• To achieve 5 ACH in a 200 m3 room, what is the required air supply rate in m3/h?
• A Hazardous Materials (HAZMAT) incident requires certain basic steps in a BEE context. Which sequence is correct?
• What is the difference between acute and chronic toxicity, and give an example of each relevant to BEE?
• Which factors determine choice between an air-purifying respirator with cartridges and a supplied-air system?
• Which sampler is hammered into the soil to collect a shallow-depth sample?
• Which OEHSA step is dedicated to updating findings after baseline data are collected and initial assessments are complete?
• Which statement describes simple random sampling?
• What effect does shorter time elapsing between collection of the sample and its analysis have on the reliability of analytical results?
• Where should sleeping areas be placed on sites?
• Which device is designed to collect samples by driving a hollow tube into the soil?
• Judgmental sampling relies on which factors to identify contaminants?
• Where should food facilities be placed on sites?
• What is the ALARA principle, and how does it guide management of occupational ionizing radiation exposure?