2024/2025 Indoor Air Sciences CSMI Exam Practice Which of the following contaminants doesn't have a Code of Federal Regulations (CFR) section dedicated to it? A. Asbestos B. None of the above C. Lead D. Mold Which of t
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2024/2025 Indoor Air Sciences CSMI Exam Practice Which of the following contaminants doesn't have a Code of Federal Regulations (CFR) section dedicated to it? A. Asbestos B. None of the above C. Lead D. Mold Which of the following is a key limitation to biocides? A. They kill some microorganisms and therefore provide safe haven for others. B. They must be used on a porous surface. C. They require oversight as per FIFRA. D. They give off low levels of ozone. You know a containment is under negative pressure when? A. Pressure inside is more than outside. B. The enclosure billows out. C. Pressure inside is less than outside. D. Pressure outside is less than inside. According to the ACAC Code of Conduct, when should you release confidential information? A. Only when receiving a subpoena. B. Only after the statute of limitations runs out. C. Never D. When asked by building occupants impacted by potential problems. Which agent will not be removed by a particulate filter? A. Hyphal fragments B. Mycelial mass C. mVOCs D. Spores Wet materials should be dried within what time frame to prevent mold growth? A. Within 1 hour B. Within 3 days C. Within 24 to 48 hours D. Within 1 week According to bioaerosols, upon completion of remediation, the levels of mold spores in the remediated area should be? A. Less than or similar to adjacent and outdoors B. Non-existent C. Similar to adjacent areas and outdoors D. Greater than outdoors According to IICRC S520, what is the minimum recommended air changes per hour inside containment? A. 4 ach B. 12 ach C. 8 ach D.2 ach What does PCR stand for? A. Post Cleaning Remediation B. Peer Consensus Review C. Particle Count Reader D. Polymerase Chain Reaction According to IICRC S520, what should a contractor do when he/she comes across lead? A. Evacuate the building immediately B. Comply with all Federal, State and local laws C. Contact infectious disease unit D. Remove the lead based paint under containment According to IICRC, S520, the purpose of remediation is to A. Sanitize the space B. Sterilize the space C. Return the space to Condition 1 D. Fix the moisture problem What is this < ? A. Greater than B. Parenthesis C. Equal D. Less than According to OSHA, what is the first line of defense for ensuring worker health and safety? A. Biocides B. Engineering controls C. PPE D. HEPA filtration In the field, your action on a chain of custody is to A. Describe environmental conditions during sampling B. Perform microscopic analysis C. Sign it before relinquishing control D. No action is required HEPA filters will not A. Remove particulate B. Manage heat stress C. Efficiently filter out particles less than 0.3 microns in size D. Manage high spore loads According to IICRC S520, the expertise of a mold inspector is? A. Taking samples B. Building science C. Remediation D. Building containments OSHA Hazard Communication includes everything but? A. Weight of workers B. Labeling C. Notifications D. MSDS IDLH stands for? A. Immediately dangerous to life and health B. International development lead-free housing C. Integrated damp low-income housing D. Illinois Department of Licensing Health What is a key problem with using a questionnaire during an assessment? A. Questions may lead people to answer a certain way B. Getting management to believe the results C. Questionnaires may cause people to communicate their symptoms that are caused by the building D. Getting all the questionnaires back According to Bioaerosols, endotoxins consists of a family of molecules called what? A. Lipopolysaccharides B. MRSA C. Fungal glucan D. Gram negative According to IICRC S520, what is the minimum ply for polyethylene sheeting usually used for isolation barriers? A. 6-mil B.10-mil C. 2-mil D. 4-mil According to IICRC S500, water from a backed up washing machine would be classified: A. Category 3 B. Category 2 C. Category 1 D. Category 4 What areas are most prone for mold growth Dark areas? A. Dark areas B. In the air C. Warm areas D. Damp areas A building in a hot and humid climate should be operated Select one: a. under equilibrium b. under a positive pressure c. under a neutral pressure d. under a negative pressure A hot and humid climate should have the vapor barrier Select one: a. on both the warm and cold side b. on the cold side c. towards the middle d. on the warm side A material is 0.5% asbestos by weight. Do regulations classify this as an asbestos-containing material (ACM)? a. Yes, because it is above 0.1% b. No c. Only if it is amphibole type d. Yes, any amount makes it ACM A thermal infrared camera detects a. the presence of moisture b. the presence of mold c. the presence of UV d. temperature differentials A very cold climate should have the vapor barrier a. towards the interior b. vapor barriers should never be used in very cold climates c. towards the exterior d. towards the middle of the wall assembly According to Bioaerosols and Field Guide, bacteria samples should reach the lab a. within 24 hours b. within 72 hours properly refrigerated c. within 48 hours d. timing isn't important According to Bioaerosols and IICRC S520, what is the recommended minimum pressure differential between containment and clean areas? a. 0.02 inches mercury b. 0.02 Pascals c. 0.02 manometers d. 0.02 inches water column According to Bioaerosols, a minimum sampling strategy would include which areas? a. indoors, outdoors, and HVAC system b. Complaint, non-complaint and outdoors c. Occupied, vacant, outdoors d. indoors, outdoors, and field blank According to Bioaerosols, an mVOC is NOT associated with a. marker b. signature c. fingerprint d. conidiophores According to Bioaerosols, ID50 causes an infection in 50 percent of a. exposed susceptible hosts b. exposed lab rats c. exposed workers d. exposed occupants According to Bioaerosols, legionella is not common in outdoor air because a. it likes growing in cooling towers which are indoors b. it only grows indoors so it's uncommon to find it outdoors c. it desiccates and is oxidized by outdoor air d. it desiccates and is oxidized by outdoor air According to Bio-aerosols, one would expect to see a. no bacteria in outdoor air because of photo-oxidants b. similar amounts of bacteria indoors vs. outdoors c. more bacteria outdoors compared to indoors d. more bacteria indoors compared to outdoors According to Bioaerosols, what agents have been known to cause hypersensitivity diseases a. Vehicle exhaust and viruses b. VOCs and bacteria c. Mold and detergents d. Pollen and asbestos According to Bioaerosols, what are the chief candidates for relationships between BRSs and bioaerosols? a. infections b. viruses and capsids c. endotoxins and mycotoxins d. allergens and antigens According to Bioaerosols, what are the recommended upper and lower detection limits for viable air sampling? a. There is no such thing as UDL or LDL b. 10-1000 CFU/plate c. 1,000-10,000 CFU d. 10 cfu/plate and 1cfu/in^2 According to Bioaerosols, what does BRS stand for? a. Building Related Symptoms b. Building Related Sensitivities c. Building Related Syndrome d. Building Related Illness According to Bioaerosols, what is generally the diameter of bacteria? a. 1-5 microns b. 5-10 microns c. 0.5-1 micron d. 0.1-0.5 microns According to Bioaerosols, which of the following is NOT a function of the chain of custody form? a. track mishandling b. testing a labs proficiency c. to qualify laboratory results as evidence in legal cases d. preventing tampering According to Field Guide, what agar media is good for culturing mold a. TSA b. R2Ac c. Hezut Infusion Blood Agar d. MEA and Potato Dextrose According to Field Guide, what are the common genera found indoors a. Penicillium, Aspergillus, Cladosporium b. Stachybotrys, Memnoniella, Fusarium c. Mucor, Eurotium, Bipolaris d. Alternaria, Smuts, Graphium According to Field Guide, what is the best way to collect a legionella sample a. surface sample b. water sample c. dust sample d. air sample According to Field Guide, what type of factors affect mold growth a. autotrophic and heterotrophic b. biotic and abiotic c. mass and energy d. organic and inorganic According to IICRC 520, when is a building owner responsible for asbestos containing material on a remediation job? a. Only when the building was built before 1978 b. It's the consultant's responsibility c. It's the remediation contractor's responsibility d. Always According to IICRC S500, when you monitor moisture you should be monitoring a. psychrometric conditions b. relative humidity c. temperature d. absolute humidity According to IICRC S500, which of the following water sources is classified as Category 3 a. melting snow b. broken aquarium c. overflowing toilet tub d. flood waters from streams According to IICRC S520, an IEP is someone who has knowledge and experience in a. mold inspections b. fixing moisture problems c. mold remediation d. designing buildings
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