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Mold Assessment EXAM TEST BANK
WITH ALL VERSIONS OF THE EXAM
WITH ALLMODULES COVERED |
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1. Should mold remediation of heavily moldy areas use asbestos removal procedures? A. Yes, asbestos procedures are best for all contaminations B. Yes, because they are the most restrictive C. No, asbestos removal does not allow outside exhaust D. No, asbestos methods increase quality and reduce cost ✅ Correct Answer: C. No, asbestos removal does not allow outside exhaust Rationale: Asbestos procedures prohibit outside exhaust, while exhausting outside improves cost and quality in mold remediation. 2. EPA requires firms disturbing lead-based paint to be certified if work is performed in: A. Homes built after 1980 B. Pre-1978 homes and child care/school facilities C. Hospitals and commercial buildings D. Newly constructed homes ✅ Correct Answer: B. Pre-1978 homes and child care/school facilities Rationale: The EPA rule applies to pre-1978 housing and child-occupied facilities. 3. What does PAPR stand for? A. Personal Air Purifying Respirator B. Powered Air Pressurization Regulator C. Portable Air Protective Regulator D. Powered Air Purifying Respirator ✅ Correct Answer: D. Powered Air Purifying Respirator Rationale: PAPR refers to a respirator with a powered blower that pushes air through filters. 4. Why is the 3M 8511 N-95 respirator popular for mold work? A. It has HEPA filters
B. It’s reusable and washable C. It has an exhaust valve and is low-cost D. It blocks all VOCs ✅ Correct Answer: C. It has an exhaust valve and is low-cost Rationale: The 3M 8511 is valued for comfort and affordability.
5. Are higher-quality respirators like N-100 or full-face always recommended? A. Yes, always B. No, full-face masks block vision C. No, it’s better to use containment and airflow D. No, N-100 makes breathing harder ✅ Correct Answer: C. No, it’s better to use containment and airflow Rationale: Proper containment and ventilation are more effective than relying solely on respirator quality. 6. If mold air sampling results are “Not Elevated,” what should be reported? A. No mold problem exists B. Mold is definitely absent C. Just report “Not Elevated” D. Declare area mold-free ✅ Correct Answer: C. Just report “Not Elevated” Rationale: You should not claim there is no mold, only report the lab's findings. 7. What is the correct flow rate for Air-O-Cell cassette sampling? A. 5 lpm B. 10 lpm C. 15 lpm D. 20 lpm ✅ Correct Answer: C. 15 lpm Rationale: Air-O-Cell samplers typically operate at 15 liters per minute. 8. Since dead spores can still cause issues, what do investigators focus on? A. Only live spores B. Only viable spores C. Either live or viable spores D. Dormant spores only ✅ Correct Answer: C. Either live or viable spores Rationale: Both types can be allergenic/toxic, so total spore counts are used. 9. Total spore count includes viable and non-viable spores. A. True B. False
15. Is scientific testing preferred over visual inspection for remediation verification? A. Always B. Sometimes C. Rarely D. False ✅ Correct Answer: D. False Rationale: Visual inspection is often more reliable and practical. 16. Which testing methods provide immediate feedback? A. Lab analysis B. White Glove (Swiffer) and visual inspection C. Air sample lab tests D. Viability testing ✅ Correct Answer: B. White Glove (Swiffer) and visual inspection Rationale: These are quick and onsite methods. 17. Should EPA numeric criteria be used to interpret mold tests? A. Yes B. No C. Sometimes D. Only for lead ✅ Correct Answer: B. No Rationale: EPA does not provide numeric criteria for mold levels. 18. Mold-contaminated HVAC systems will always irritate occupants even if spore levels are not elevated. A. True B. False C. Only in sensitive individuals D. Always in children ✅ Correct Answer: B. False Rationale: It’s not guaranteed; irritation depends on multiple factors like sensitivity and exposure level. 19. How can you protect yourself from lawsuits due to inaccurate interpretations? A. Avoid reporting results B. Have the lab determine Elevated/Not Elevated C. Only inspect visually D. Use only Swiffer tests ✅ Correct Answer: B. Have the lab determine Elevated/Not Elevated Rationale: Letting the lab make the call reduces your liability.
20. Why are accurate indoor mold air assessments so important? A. Mold in walls is harmless B. Airborne mold is what impacts occupants C. Mold isn’t a real health hazard D. Surface mold is the only concern ✅ Correct Answer: B. Airborne mold is what impacts occupants Rationale: Breathing mold spores is the primary exposure pathway. 21. Can a lab’s interpretation be removed from a report? A. No, they are required B. Yes, if you request it C. Only for air samples D. Only for lift tapes ✅ Correct Answer: B. Yes, if you request it Rationale: You can ask the lab to exclude Elevated/Not Elevated analysis. 22. Which mold species are early colonizers (48–72 hrs after water intrusion)? A. Stachybotrys B. Cladosporium C. Aspergillus D. Penicillium ✅ Correct Answer: C. Aspergillus Rationale: Aspergillus is a fast-growing mold after water damage. 23. Which mold species can grow within 7 days after significant water intrusion? A. Alternaria B. Stachybotrys C. Penicillium D. Chaetomium ✅ Correct Answer: B. Stachybotrys Rationale: Stachybotrys requires large water saturation and grows within 7 days. 24. Mold does not degrade building materials like wood rot does. A. True B. False ✅ Correct Answer: A. True Rationale: Mold can cause health issues, but dry rot actually destroys wood structure. 25. What does mVOC stand for? A. Mold Volatile Organic Compound B. Microbial Volatile Organic Compound C. Moisture Volatile Organic Compound D. Mixed Vapor Organic Component
31. Is vinyl wallpaper on exterior walls in hot humid climates effective against mold? A. Yes B. No ✅ Correct Answer: B. No Rationale: It traps moisture and promotes mold growth. 32. Can kitchen, bath, or dryer air be safely vented into attic? A. Yes B. No ✅ Correct Answer: B. No Rationale: Moist air should be vented outdoors to prevent attic mold. 33. Can mold grow inside wood and destroy it? A. Yes B. No ✅ Correct Answer: B. No Rationale: Mold grows on the surface; rot fungi damage wood internally. 34. Is visual assessment of AC return air boxes enough? A. Yes B. No ✅ Correct Answer: B. No Rationale: Internal inspections are necessary due to hidden contamination. 35. What makes AC supply duct leaks bad? A. They reduce pressure B. They warm the air C. They can cause condensation and mold D. They’re too small to matter ✅ Correct Answer: C. They can cause condensation and mold Rationale: Escaping cool air creates surfaces for condensation and mold. 36. Why are leaks in AC return ducts a concern? (Choose all that apply) A. They allow conditioned air in B. They pull unfiltered air into system C. They promote mold growth in ducts D. They improve airflow ✅ Correct Answers: B, C Rationale: Return leaks introduce contaminants and moisture into the system. 37. Why is fiberglass duct board a concern in HVAC systems? A. It melts easily
B. It’s hard to seal C. It traps dirt and can support mold D. It’s illegal ✅ Correct Answer: C. It traps dirt and can support mold Rationale: Its porous surface allows dust and mold accumulation.
38. Are supply duct leaks harmless since they don’t pull air in? A. Yes B. No – they cause condensation and mold ✅ Correct Answer: B. No – they cause condensation and mold Rationale: Escaping cool air can cause hidden moisture issues. 39. Is mold-resistant drywall completely mold-proof? A. Yes B. No, it still grows mold if wet long enough ✅ Correct Answer: B. No, it still grows mold if wet long enough Rationale: It is resistant, not immune to mold when chronically wet. 40. Should cellulose insulation be left during remediation? A. Yes, it’s eco-friendly B. No, replace with foil-backed insulation ✅ Correct Answer: B. No, replace with foil-backed insulation Rationale: Cellulose can retain moisture and promote mold; use moisture-resistant materials. The best way(s) to keep mold from returning is: - Ans - b. Make sure that the water problem has been fixed. c. Use mold resistant drywall. Sometimes one cannot stop seepage or other water intrusion completely. d. Paint with mold inhibiting paint/primer. What type of sanitizers are approved for porous materials. - Ans
- b. Lysol c. Bleach Quat based biocide?
- Ans - Quat based biocide such as Microban is water based and has a high concentration of quaternary ammonium complex (Quat.) Not suitable for kitchen surfaces. Mold remediators can check for Asbestos before doing mold work by:
- Ans - b. Only necessary in older buildings. c. Mold Remediators are not approved for Asbestos testing.
Which of the following is not true about drywall and wall insulation installation? - Ans - c) Fiberglass wall insulation that gets wet must always be discarded. Pick the one best answer with regard to building exteriors. Pick one correct answer - Ans - Non absorbent foil backed insulation for exterior walls dramatically helps cut down mold and moisture problems as there is always at least some seepage thru exterior walls. When a house is retrofitted with hurricane windows this usually fixes water leaks and intrusions under and around windows. - Ans - Often this makes matters worse. The windows may be too small and openings around the windows too large to properly caulk. Rarely will the window installer replace the old bucks with new correctly sized wood and properly shim. IICRC has how many classes of drywall categories - Ans - 4 What is the slowest category to dry? - Ans - Class 4 Is there more to drying than wall permeance? - Ans - Yes. For example if there is water in the metal floor tract (C channel) the walls of any Class will dry slowly. What is a biocide? (Choose one or more correct answers.) - Ans - a. Kills mold and bacteria. b. Keeps on killing d. Kills spores. In-Place drying is an accepted practice so long has mold has not had time to grow. - Ans - No. You never know what lurks in those walls. Microban and Botanica... are these biocides approved by cabinets, drywall, carpet or wood? - Ans - No. Hard surfaces only Raising the air temperature when drying accelerates drying. - Ans - Yes but it also accelerates bacteria and mold growth. When particle board gets wet it swells irreversibly. Replace. - Ans - There is no guidance in S500-2015 about replacing particle board Ailments from mold and mold remediation work can be diverse including neurological problems, respiratory problems and other. Which symptom is not a common mold related ailment? - Ans - Hair Loss
What is the most common routes for indoor mold exposure causing health issues? - Ans
- Inhalation Respiratory symptoms from mold exposure are the most common health problems from mold - Ans - True Neurological problems often found particularly in children occupying sick buildings, including both schools and homes, are - Ans - All of the above Mycotoxins. Choose the one incorrect answer - Ans - Mycotoxins are inactivated (killed) by typical disinfectants used to kill mold or bacteria The primary way workers get sick when cleaning up sewage contamination is: - Ans - Touching the sewage and then touching their mouths (ingestion.) The best way to clean up a sewage problems is: - Ans - Cleaning by low pressure washing/extraction, followed by application of disinfectant on clean and drywall surface. Odors can be caused by: - Ans - a. Smells released from wet building or contents. b. Bacteria. c. Fungi. d. Urine. e. All of the above How can you safely reduce the use of Tyvek suits? - Ans - a. Pre-cleaning. b. Source containment. c. Moistening/fogging d. HEPA vacuuming e. Running the AC What is a biocide? (Choose one or more correct answers.) - Ans - a. Kills mold and bacteria. b. Keeps on killing d. Kills spores. When are biocides that keep on killing recommended? - Ans - a. Black water clean up. EPA approved cleaners/sanitizers approved for household use will keep you out of trouble. Examples are: - Ans - a. Lysol b. Soap & Water
TMRR, a person whose application or credential has been revoked shall be ineligible to reapply for any mold-related credential for up to _____ ___________. - ANSWER 2 years TMRR, a person seeking to renew a license, registration or accreditation shall submit a renewal application no sooner that _______ days before the credential expires. - ANSWER 60 TMRR, a serious violation (Level II) assessed by DSHS can carry a fine up to ________ per violation. - ANSWER $ TMRR, remediation worker training shall consist of a least ____ ________ of training. - ANSWER 4 hours TMRR, the Mold Assessment Consultant course shall be at least _____ __________ of training. - ANSWER 40 hours TMRR, a person who applies a biocide to wood to control a wood-infesting organism must be licensed by: - ANSWER Texas Structural Pest Control Board TMRR, the words on signs advising that a mold remediation project is in progress shall be black on a ______ background. - ANSWER Yellow EPA's, "MOld Remediation in Schools and commercial Buildings" opportunistic infections in people with weakened immune systems may be caused by: - ANSWER Aspergillus fumigatus and Trichoderma EPA's, "Mold Remediation in Schools and commercial Buildings" full containment is generally recommended for areas involving greater than _______ sq. ft of mold contamination. - ANSWER 100 If using a full containment, where should your respirators should removed? - ANSWER Outside decontamination chamber EPA, which of the following is NOT a cleanup method used for remediating damage to building materials that have mold growth? - ANSWER scraping Wet Vacuums should NOT be used to remove water from: - ANSWER Wallboard A ________ is a control device that can be connected to an HVAC system and adjusted so that is the humidity level rises above a set point, the HVAC system will automatically turn on and reduce the humidity below the established point. - ANSWER Humidistat
Fungi account for ______ of infections originating or taking place in a hospital. - ANSWER 9% Molds may adversely affect human health through what process. - ANSWER Allergy, Infection and Toxicity Molds are dependant upon external food sources because they lack: - ANSWER Chlorophyl ____________ also know as "toxic mold" elicits great concern when found in homes, schools or offices because of its capability of producing mycotoxins: - ANSWER Stachybotrys chartarum Mold is ubiquitous. Ubiquitous= existing everywhere, all over at the same time, like air. - ANSWER Yes, True What is the primary factor that controls mold growth indoors? - ANSWER Availability of moisture The bulletin " A Brief Guide to Mold in the Workplace" directed towards building managers, custodians and other responsible for building maintenance was release by: - ANSWER OSHA A document prepared by the DSHS that describes who are requires to be licensed and how to file a complaint is called: - ANSWER Consumer Mold Information Sheet- CMIS What is NOT true when remediating an area of 25 sq ft or more: - ANSWER Personal protective equipment is NOT required. The minimum type of respirator required for mold remediation is : - ANSWER N- 95 disposable If you are using a biocide such as chlorine bleach you should not use gloves made from:
- ANSWER Cotton HVAC filters should have a __________ rating to catch mold spores. - ANSWER MERV 8 Gloves, N-95 or half face respirator with HEPA filter, disposable overalls, googles/eye protection are requirements for ________ personal protective equipment: - ANSWER Limited
- Be at least 8x10 inches in size.
- Bear the words "Notice: Mold remediation project in progress. Skipped - ANSWER Skipped TMRR, the purpose of a mold analysis is: - ANSWER c. Identifying or determining the amount or presence of any fungal products, including but NOT limited to mycotoxins, and fungal volatile organic compounds. TMRR, working day is defined as: - ANSWER Monday through Friday, including holidays. TMRR, biocides and antimicrobial coatings may be used only if: - ANSWER 1. Their use is specified in a mold remediation protocol.
- They are registered by the EPA for the intended use.
- Their use is consistent w/ the manufacturers labeling instruction. TMRR, a mold remediation contractor or company shall notify the DSHS of a mold remediation project when mold contamination affects a total surface area of _________ cont. Sq ft or more. - ANSWER 25 TMRR, unless it is an emergency, if mold remediation activities began on a date earlier than what was originally notified for, the DSHS shall be provided with a written notice at least_______working days before the start of work. - ANSWER 5 TMRR, notification fee for a commercial building is: - ANSWER $ TMRR, an applicant for an initial license must submit the complete application to the department within ______ of passing the required state licensing exam. - ANSWER 6 months TMRR, a critical violation ( Level 1) assessed by DSHS can carry a fine up to ________ per violation. - ANSWER $ TMRR, a mold assessment technician is licensed to: - ANSWER 1. Record visual observation and onsite measurements 2. Collect samples for mold analysis.
- Prepare a mold assessment report 4.As directed by on-site assessment consultant, collect samples during post remediation A document prepared by the DSHS that describes the persons who are requires to be licensed and how to file a complaint is called: - ANSWER CMIS Consumer Mold Information Sheet
Mold does not cause: - ANSWER Heart attacks The most important indoor allergenic molds are: - ANSWER Penicillium and Aspergillus Molds reproduce by creating tiny ______ that usually can NOT be seen without magnification. - ANSWER Spores How many days notice do you have to notify the state that your insurance has been cancelled? - ANSWER 20 days EPA, which of the following in NOT a cleanup method used for remediating damage to building materials due to mold growth. - ANSWER Scraping N-95 Masks are: - ANSWER The minimum required by the state. The remediation manager's highest priority must be to: - ANSWER Protect the health and safety of the building occupants and remediator workers Protection factor for a N-95 Mask is: - ANSWER 5-10 or minimum protection A ______ is a hand held tool that allows users to see potential mold problems inside walls, ceiling plenums, crawl spaces and other tight areas. - ANSWER Boroscope Mold can grow on hidden surfaces such as: - ANSWER 1. The back side of dry wall, wallpaper or paneling.
- The underside of carpets and pads
- The top of ceiling tiles If you know or suspect that damage was caused by contaminated water, _________ requires containment and personal protective equipment. - ANSWER OSHA The preferred flow rate for Air-Call Spore - ANSWER 15 lpm If the flow rate is 15 lPM, and the sample is taken for 5 minutes, what would be the volume? - ANSWER 75 Liters ( 15L x 5) TXDSH requires _________ ____________ insurance for performing mold related work
- ANSWER general liability insurance TXDSH requires licensing when the mold remediation project affects: - ANSWER at or above 25 cont sq feet
- Blastomyces
- Coccidioides The TXDHS document "potential Health effects of Mold exposure in buildings" some molds produce "mycotoxins" which are: - ANSWER Stachybotrys, Chaetomium, Paecilomyces and Ascospores The TXDHS document "potential Health effects of Mold exposure in buildings" indicates that reducing worker exposure during remediation work can be achieved by: - ANSWER
- Respiratory protection
- gloves and appropriate footwear
- protective clothing 4.goggles and eye protection The Conflict of Interest section includes (section 295.307) states that: - ANSWER a person shall not own interest in an entity that performs mold assessment services and mold remediation services on the same project. The Texas Mold rules state that a person seeking renewal can: - ANSWER can apply up to 60 days before expiration. A licensed MAC and MRC can: - ANSWER can work on the same project if it is for a school district. The MAC must provide a ________ to a client. - ANSWER A CMIS (customer mold info sheet) TX DSHS mold assessment and TMRR have the admin penalty: - ANSWER Penalty should not exceed $5000 per violation. TX DSHS mold assessment and TMRR has the following classification of violations: - ANSWER critical, serious and significant The air flow sampling rate for using the Anderson Single Stage Viable Particle Sampler is: - ANSWER 28.3 actual liters per minute The recommended air sampling flow rate for particle impactors such as the Allergenco Air Sampler or the Zefon Air- Oi Cell is: - ANSWER 15 liters per min Sampling results can be affected by: - ANSWER 1. high indoor personal activity
- indoor visible dust
- outdoor high wind conditions
- improper pump calibration
The Allergenco Air Sampler and the Zafon Air-o-cell collects: - ANSWER all airborne particulates Air sampling pumps require: - ANSWER calibration against a primary standard before and after use. The following are types of surface samples that can be collected during an assessment:
- swab
- bulk
- dust To apply for an assessment or remediation company license, at least one individual within the company has to get licensed first as either a MAC or MRC. Since there is no state exam required for a company license, can I submit my licensing application for my company? - ANSWER Yes The EPA document, " Mold remediation in Schools and Commercial Buildings" identifies Mold Prevention tips and includes the following excerpt. - ANSWER clean and dry wet or damp spots after 48 hours. If ceiling tiles has water damage by clean water, what actions should happen? - ANSWER Discard and remove How to clean water damage in ceiling tiles within 48 hrs to prevent mold. - ANSWER Discard and replace. How to clean water damage in cellulose insulation - ANSWER Discard and replace. How do you clean up water damage in books and papers within 48 to prevent mold growth. - ANSWER - For non valuable items, discard books and papers.
- Photocopy valuable/important items, discard originals.
- Freeze (in frost-free freezer or meat locker) or freeze-dry. How to clean water damage in fiberglass insulation - ANSWER - Discard and replace. How to clean water damage in carpet and backing within 48 hrs to prevent mold. - ANSWER - Remove water with an extraction vacuum.
- Reduce ambient humidity levels with a dehumidifier.
- Accelerate drying process with fans.
