Texas Mold Remediation Regulations and IICRC S520 Standards FINAL EXAM STUDY GUIDE 2025/2026 COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES || 100% GUARANTEED PASS <RECENT VERSION>

Texas Mold Remediation Regulations and IICRC S520 Standards FINAL EXAM STUDY GUIDE 2025/2026 COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES || 100% GUARANTEED PASS &lt;RECENT VERSION&gt; 1. TDLR - ANSWER Texas Department of Licensing and Regulation 2. Project records retention period - ANSWER 3 years 3. Contiguous square feet requiring licensed contractor - ANSWER 25 square feet 4. Certificate of Mold Damage Remediation (CMDR) - ANSWER Verifies that a remediation project has met clearance criteria. 5. Key elements of a remediation work plan - ANSWER Remediation methods, containment strategy, schedule, and documentation procedures. 6. Texas Mold Assessment and Remediation Rules (TMARR) - ANSWER The set of rules under which mold remediation contractors in Texas are regulated. 7. Critical first step in mold remediation - ANSWER Identify and correct the source of moisture. 8. Licensees required to maintain a physical office in Texas - ANSWER Mold assessment technicians, assessment consultants, remediation contractors, remediation companies, and mold analysis laboratories. 9. Minimum commercial general liability insurance required - ANSWER $1,000,000 per occurrence. 10. Allowed exam attempts for mold remediation contractor applicant - ANSWER 3 attempts (one initial plus two retakes). 11. Timeframe to take the state exam after training - ANSWER 6 months. 12. Minimum training hours required for the mold remediation contractor course - ANSWER 40 hours. 13. Requirement after failing all three exam attempts - ANSWER Retake the approved training course. 14. Administering body of the state licensing exam - ANSWER TDLR's designated exam vendor (typically PSI). 15. Contribution of a final status report - ANSWER It summarizes all work performed and confirms that clearance criteria have been achieved. 16. Document detailing remediation work plan - ANSWER The project file, which includes the work plan, inspection reports, and clearance documentation. 17. Importance of data loggers in post-remediation verification - ANSWER They record temperature and humidity over time to ensure stable conditions. 18. Action for discrepancies found during post-remediation review - ANSWER They must be resolved with additional remediation or reinspection. 19. Use of post-remediation documentation by property owner - ANSWER As proof of remediation success for insurance or resale purposes. 20. Role of the Consumer Mold Information Sheet - ANSWER It informs clients of their rights and the remediation process before work begins. 21. Overall goal of post-remediation verification - ANSWER To confirm that all mold has been effectively removed and the property is safe for occupancy. 22. What does IICRC stand for? - ANSWER Institute of Inspection Cleaning and Restoration Certification 23. What are the 5 principles of Mold Remediation? - ANSWER 1. Safety and Health Workers and Occupants 2. Document the Conditions and Work Processes 3. Control the Contaminate at is Source 4. Physically Remove the Contamination(Source Removal) 5. Correct the Moisture Problem to Prevent Recontamination 24. What does SBS stand for? - ANSWER Sick Building Syndrome 25. What does VOC stand for? - ANSWER Volatile Organic Compounds 26. What does BRI stand for? - ANSWER Building Related Illness 27. How many hours for mold to germinate? - ANSWER 12 hours 28. True / False Mold only grows in the color green and black - ANSWER False 29. The release of spores is called... - ANSWER Sporulation 30. What 3 resources do mold colonies need in order to grow? - ANSWER 1. Food 2. Moisture 3. Temperature Range 31. Growth occurring to noticeable or detectable levels is called... - ANSWER Amplification 32. What are 3 common areas mold can be found? - ANSWER 1. HVAC 2. Condensate Drain Pipe 3. Vapor Barriers 33. What are the 4 potential Health Effects of Mold? - ANSWER 1. Allergic Reactions/Disease 2. Irritant Effects 3. Infection 4. Toxic Effects 34. What is the Mold Remediation Company License or Renewal Fee? - ANSWER $850.00 35. What is the Emergency Mold Notification Fee? - ANSWER $25.00 36. What does CMIS stand for? - ANSWER Consumer Mold Information Sheet 37. What does MAC stand for? - ANSWER Mold Assessment Consultant 38. True / False: MRC and MAC are required to give a copy of the CMIS to each client and to the property owner, if not the same person, before starting any mold-related activity. - ANSWER True 39. Not later than ____ calendar days after the project stop-date, the MRC shall provide the property owner with copies of required photographs of the scene of the mold remediation taken before and after the remediation. - ANSWER 7 40. Not later than ____ calendar days after the project stop-date, the MRC shall provide the property owner a Certificate of Mold Damage Remediation . - ANSWER 10 41. Who needs to sign the Certificate of Mold Damage Remediation? - ANSWER MRC and MAC 42. What 4 types of Toxigenic Mold species are known to produce mycotoxins? - ANSWER 1. Stachybotrys 2. Aspergillus 3. Penicillium 4. Fusarium 43. What does ODTS stand for? - ANSWER Organic Dust Toxic Syndrome 44. Inhabits decaying wood - ANSWER Blastomyces 45. Common in soil in SW US - ANSWER Coccidioides 46. Associated with bird droppings - ANSWER Cryptococcus 47. Associated with bat droppings - ANSWER Histoplasma 48. What are 3 categories is water damage divided into? - ANSWER 1. Category 1 - Clean Water 2. Category 2 - Gray Water 3. Category 3 - Black Water 49. What is Category 1 water damage? - ANSWER Originates from a source that does not pose substantial harm to humans. 50. List 3 Category 1 water damage examples. - ANSWER 1. Rain water 2. Leaky faucets and toilets 3. Tub overflow 51. What is Category 2 water damage? - ANSWER from a source that may or does contain chemicals, bio-contaminants 52. What are 3 basic types of Containments? - ANSWER 1. Source Containment 2. Local ("Mini") Containment 3. Full-Scale Containment 53. What are the 2 qualifications of the worker? - ANSWER 1) must be employed by a mold remediation company/contractor 2)must have state approved training 54. What is the main factor that controls mold growth? - ANSWER moisture and available water, mold does not need standing water to grow 55. What conditions in modern building construction practices contributes to mold growth in buildings? - ANSWER *a more tightly sealed building envelope *set back thermostats *recycling of indoor for energy conservation 56. What is Relative humidity? - ANSWER the amount of water vapor in the air relative to the total capacity of water vapor the air can contain at a specific temp. 57. Are all molds toxic? - ANSWER No 58. Do all molds have the potential to cause health affects? - ANSWER yes. allergenic, irritation, toxic and pathogenic 59. According to the CDC, how many indoor molds have been identified? - ANSWER &gt;1000 60. What is a HEPA filter? - ANSWER a filter than can trap small particles and aerosols down to .3 micrometer, with varying efficiencies. 95 is 95%, 99 is 99% and 100 is 99.97% 61. What is the annual fee for a Mold Remediation Contractor? - ANSWER $500 for 2 years 62. What is the annual fee for a Mold Remediation Company? - ANSWER $1000 for 2 years 63. What are the requirements for a mold remediation company? - ANSWER *a company license is required when the entity employs 1 or more individuals required to be licensed or registered *company must meet insurance requirements *employ at least one licensed MRC as the designated responsible person  company must notify dept of responsibility changes in 10 days and changes of ownership of 10% or more 64. When do renewals take place? - ANSWER licensed for 2 years and renewal notices are sent out 60 days prior to expiration and the licensee must renew within those 60 days 65. What are the requirements for refresher training? - ANSWER MRC must take refresher course between 12 and 24 months 66. According to TMARR, what is containment? - ANSWER a component or enclosure designed/intended to control the spread of the mold contamination into surrounding areas of the building. The containment area is within the containment. 67. What is mold? - ANSWER the living or dead fungi or related parts, including spores, hyphen, mycotoxins or related products. 68. What is indoor mold? - ANSWER fungi not purposely grown or brought indoors that have the potential to affect indoor air quality 69. Can an assessment report stand alone? - ANSWER Yes, a separate assessment report is not needed in a mold remediation protocol or mold management plan because the assessment report would be included in these documents. A MAT or MAC can conduct an assessment and a report but only the MAC can produce the protocol or management plan. 70. What is a Mold Remediation Work Plan? - ANSWER document produced by the MRC or company in compliance with the Mold Remediation Protocol or Mold Management Plan 71. What are mold related activities? - ANSWER performance of mold assessment, remediation or related activities 72. What is a credential? - ANSWER *license for MAC, MAT, MRC or companies *registration for workers *Accreditation for training provers 73. What is the minimum gravimetric method for testing mold spores in the air? - ANSWER Collecting air samples that quantify the number of spores present in the air and their potential health impacts. 74. What is a significant requirement in evidence gathering during a mold assessment? - ANSWER Collection and documentation of samples to support the conclusions of the assessment and guide remediation. 75. What role do health effects play in the mold assessment process? - ANSWER They are considered when determining the urgency and extent of the remediation process based on occupant needs and safety. 76. Under what circumstances can mold assessments be conducted? - ANSWER Assessments can be prompted by visible mold, health complaints from occupants, or water damage events. 77. What is required for post-remediation verification according to TDLR? - ANSWER A follow-up assessment that includes air and surface testing to ensure no residual mold remains. 78. How are contractors held accountable for their actions under Texas mold regulations? - ANSWER Through compliance reviews, client complaints, and state inspections ensuring they meet all regulatory standards. 79. What is one recommended practice before beginning remediation in residential properties? - ANSWER Conducting a pre-remediation assessment with all relevant stakeholders (owners, tenants, etc.) to align on expectations. 80. What is the importance of keeping a chain of custody for mold samples? - ANSWER It ensures the integrity and reliability of the samples collected for testing. 81. What steps should be taken if a client refuses remediation services after an assessment? - ANSWER Document the refusal and provide detailed information about the health risks associated with mold.