Asbestos schools (AHERA): response actions, O&M, management plans and records practice questions
20 free practice questions from 40 CFR 763.90 to 763.95 and 763.99. Each answer is explained and linked to the rule it comes from.
Asbestos schools (AHERA): response actions, O&M, management plans and records
20 questions across 8 topics. After each answer you see why it is right, with a link to the official source.
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Selecting response actions
1. Damaged thermal system insulation ACM is present in a school building. Under 763.90(b), when must the local education agency remove the damaged material rather than repair it?
- A. When repairing it would cost more than removing it
- B. When it is not feasible, due to technological factors, to repair the damage
- C. When students occupy the functional space during the school day
- D. When the damaged area is larger than the undamaged area
Show answer
Answer: B. When it is not feasible, due to technological factors, to repair the damage
For damaged or significantly damaged thermal system insulation ACM, the local education agency shall "At least repair the damaged area" and "Remove the damaged material if it is not feasible, due to technological factors, to repair the damage."
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
2. Damaged friable surfacing ACM is present. Several response actions would protect human health and the environment. Under 763.90(c)(2), what may the local education agency then consider to decide which of them is least burdensome?
- A. Only the recommendation of the abatement contractor
- B. Only the age of the school building
- C. Only the number of complaints from parents
- D. Local circumstances, including occupancy and use patterns within the school building, and its economic concerns
Show answer
Answer: D. Local circumstances, including occupancy and use patterns within the school building, and its economic concerns
For determining which response actions are least burdensome, "the local education agency may then consider local circumstances, including occupancy and use patterns within the school building, and its economic concerns".
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
3. Significantly damaged friable miscellaneous ACM is found in a classroom. Under 763.90(d)(1), what must the local education agency do with the functional space?
- A. Immediately isolate the functional space and restrict access, unless isolation is not necessary to protect human health and the environment
- B. Keep the space in use and add it to the next periodic surveillance
- C. Post a warning label and keep normal use until the next reinspection
- D. Close the space only after the State has approved a response action
Show answer
Answer: A. Immediately isolate the functional space and restrict access, unless isolation is not necessary to protect human health and the environment
If significantly damaged friable surfacing or miscellaneous ACM is present, the local education agency shall "Immediately isolate the functional space and restrict access, unless isolation is not necessary to protect human health and the environment."
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
4. Friable surfacing ACM in a gym has potential for significant damage. Under 763.90(f), what must the local education agency do in addition to implementing an O&M program?
- A. Encapsulate the material within 30 days
- B. Have the material reinspected every month
- C. Institute preventive measures appropriate to eliminate the reasonable likelihood that the ACM or its covering will become significantly damaged, deteriorated, or delaminated
- D. Notify the EPA Regional Office before the next school year
Show answer
Answer: C. Institute preventive measures appropriate to eliminate the reasonable likelihood that the ACM or its covering will become significantly damaged, deteriorated, or delaminated
Besides an O&M program, the local education agency shall "Institute preventive measures appropriate to eliminate the reasonable likelihood that the ACM or its covering will become significantly damaged, deteriorated, or delaminated."
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
Completing response actions
5. A crew has finished enclosing ACBM in a school. Under 763.90(i)(1), who must visually inspect each functional space where the action was conducted?
- A. An inspector from the EPA Regional Office
- B. The laboratory that analyzes the clearance air samples
- C. A person designated by the local education agency
- D. The Agency designated by the Governor
Show answer
Answer: C. A person designated by the local education agency
At the conclusion of any action to remove, encapsulate, or enclose ACBM, "a person designated by the local education agency shall visually inspect each functional space where such action was conducted to determine whether the action has been properly completed."
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
6. A local education agency is having clearance air samples analyzed by phase contrast microscopy (PCM), under circumstances 763.90 permits. Under 763.90(i)(2)(ii), which laboratories must it use for that PCM analysis?
- A. Laboratories enrolled in the American Industrial Hygiene Association Proficiency Analytical Testing Program for PCM
- B. Any laboratory the abatement contractor selects
- C. Laboratories approved by the Agency designated by the Governor
- D. The local health department's laboratory, whatever its enrollment
Show answer
Answer: A. Laboratories enrolled in the American Industrial Hygiene Association Proficiency Analytical Testing Program for PCM
Local education agencies shall have the air samples analyzed "using laboratories accredited by the National Bureau of Standards to conduct such analysis using transmission electron microscopy (TEM) or, under circumstances permitted in this section, laboratories enrolled in the American Industrial Hygiene Association Proficiency Analytical Testing Program for phase contrast microscopy (PCM)."
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
7. A local education agency will remove contiguous ACBM in one school building at the same time and wants to split it into smaller projects so each can be cleared by PCM under 763.90(i)(5). What does 763.90(i)(6) say?
- A. Each project may be cleared by PCM if a separate contractor does it
- B. Contiguous portions may be split if the projects start on different days of the same week
- C. Splitting is allowed if the EPA Regional Office is told in writing
- D. Contiguous portions of material subject to such action conducted concurrently or at approximately the same time within the same school building shall not be separated to qualify
Show answer
Answer: D. Contiguous portions of material subject to such action conducted concurrently or at approximately the same time within the same school building shall not be separated to qualify
763.90(i)(6) states: "Contiguous portions of material subject to such action conducted concurrently or at approximately the same time within the same school building shall not be separated to qualify under paragraph (i)(5)".
Source: eCFR: 40 CFR 763.90, Response actions (as of Nov 4, 2026)
Operations and maintenance program
8. Nonfriable ACBM in a school will be disturbed by planned work so that it is about to become friable. How does 763.91(a) treat this material for the purposes of the O&M section?
- A. It stays nonfriable ACBM until it is actually damaged
- B. It must be treated as friable ACBM
- C. It is treated as suspected ACBM that is not assumed to be ACM
- D. It is excluded from the O&M program
Show answer
Answer: B. It must be treated as friable ACBM
763.91(a) says nonfriable ACBM or nonfriable assumed ACBM "must be treated as friable ACBM for purposes of this section when the material is about to become friable as a result of activities performed in the school building."
Source: eCFR: 40 CFR 763.91, Operations and maintenance (as of Nov 4, 2026)
9. Under 763.91(c)(2), who makes a written recommendation to the local education agency on whether additional cleaning is needed?
- A. The accredited management planner
- B. The custodial supervisor
- C. The laboratory that analyzed the bulk samples
- D. The Agency designated by the Governor
Show answer
Answer: A. The accredited management planner
"The accredited management planner shall make a written recommendation to the local education agency whether additional cleaning is needed, and if so, the methods and frequency of such cleaning."
Source: eCFR: 40 CFR 763.91, Operations and maintenance (as of Nov 4, 2026)
10. During an O&M activity disturbing friable ACBM, how does 763.91(d)(1) say entry into the area by persons other than those necessary to perform the project is restricted?
- A. Only by building a full plastic containment around the area
- B. Only by locking the school building
- C. Either by physically isolating the area or by scheduling
- D. By asking the persons to sign a waiver
Show answer
Answer: C. Either by physically isolating the area or by scheduling
The local education agency must "Restrict entry into the area by persons other than those necessary to perform the maintenance project, either by physically isolating the area or by scheduling."
Source: eCFR: 40 CFR 763.91, Operations and maintenance (as of Nov 4, 2026)
Fiber release episodes
11. About 5 square feet of friable ACBM falls from a school hallway ceiling, a major fiber release episode. Under 763.91(f)(2)(ii), what must be done with the building's air-handling system?
- A. Leave it running normally until the next periodic surveillance
- B. Increase its airflow to blow the fibers out of the area
- C. Leave it unchanged and clean its filters after the response action
- D. Shut it off or temporarily modify it to prevent the distribution of fibers to other areas in the building
Show answer
Answer: D. Shut it off or temporarily modify it to prevent the distribution of fibers to other areas in the building
For a major fiber release episode ("more than 3 square or linear feet of friable ACBM"), the local education agency shall ensure the procedure to "Shut off or temporarily modify the air-handling system to prevent the distribution of fibers to other areas in the building" is followed.
Source: eCFR: 40 CFR 763.91, Operations and maintenance (as of Nov 4, 2026)
12. A minor fiber release episode has been cleaned up and the debris placed in a sealed, leak-tight container. Under 763.91(f)(1)(iv), what must then be done with the area of damaged ACM?
- A. Leave it unrepaired until the next reinspection
- B. Repair it with materials such as asbestos-free spackling, plaster, cement, or insulation, or seal it with latex paint or an encapsulant, or immediately have the appropriate response action implemented
- C. Cover it with a sign and keep normal use with no repair
- D. Record the episode and take no further action
Show answer
Answer: B. Repair it with materials such as asbestos-free spackling, plaster, cement, or insulation, or seal it with latex paint or an encapsulant, or immediately have the appropriate response action implemented
The procedures include: "Repair the area of damaged ACM with materials such as asbestos-free spackling, plaster, cement, or insulation, or seal with latex paint or an encapsulant, or immediately have the appropriate response action implemented as required by § 763.90."
Source: eCFR: 40 CFR 763.91, Operations and maintenance (as of Nov 4, 2026)
Training and periodic surveillance
13. A school plumber never works with ACBM but may work in a building that contains it. Under 763.92(a)(1), does the awareness training requirement cover this plumber?
- A. Yes, the requirement covers staff who may work in a building that contains ACBM, whether or not they are required to work with ACBM
- B. No, it covers only staff who disturb ACBM
- C. No, it covers only custodians, not trades staff
- D. Only if the plumber was hired after the management plan was written
Show answer
Answer: A. Yes, the requirement covers staff who may work in a building that contains ACBM, whether or not they are required to work with ACBM
Awareness training covers "all members of its maintenance and custodial staff (custodians, electricians, heating/air conditioning engineers, plumbers, etc.) who may work in a building that contains ACBM", "whether or not they are required to work with ACBM."
Source: eCFR: 40 CFR 763.92, Training and periodic surveillance (as of Nov 4, 2026)
14. Under 763.92(b)(2), what must each person performing periodic surveillance record?
- A. Only the number of rooms entered
- B. Air sample results for each functional space
- C. The date of the surveillance, his or her name, and any changes in the condition of the materials
- D. The names of the students in each room
Show answer
Answer: C. The date of the surveillance, his or her name, and any changes in the condition of the materials
Each person performing periodic surveillance shall "Record the date of the surveillance, his or her name, and any changes in the condition of the materials."
Source: eCFR: 40 CFR 763.92, Training and periodic surveillance (as of Nov 4, 2026)
Management plans
15. Under 763.93(i), who must sign the statement in each management plan certifying that the general local education agency responsibilities in 763.84 have been met or will be met?
- A. The individual designated by the local education agency under 763.84
- B. The laboratory that analyzed the bulk samples
- C. An official of the EPA Regional Office
- D. The abatement contractor that performed the latest response action
Show answer
Answer: A. The individual designated by the local education agency under 763.84
"Each management plan must contain a true and correct statement, signed by the individual designated by the local education agency under § 763.84, which certifies that the general, local education agency responsibilities, as stipulated by § 763.84, have been met or will be met."
Source: eCFR: 40 CFR 763.93, Management plans (as of Nov 4, 2026)
16. A local education agency requires its management plans to contain a signed compliance statement under 763.93(f). What does 763.93(f) say about who signs it?
- A. It must be signed by the principal of each school
- B. It must be signed by an official of the EPA Regional Office
- C. It must be signed by the chair of the school board
- D. It may not be signed by a person who, in addition to preparing or assisting in preparing the plan, also implements (or will implement) it
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Answer: D. It may not be signed by a person who, in addition to preparing or assisting in preparing the plan, also implements (or will implement) it
Under 763.93(f) the statement is "signed by an accredited management plan developer", and it "may not be signed by a person who, in addition to preparing or assisting in preparing the management plan, also implements (or will implement) the management plan."
Source: eCFR: 40 CFR 763.93, Management plans (as of Nov 4, 2026)
17. Under 763.93(g)(3), when must a school's management plan be available for inspection, without cost or restriction, to workers?
- A. Only during the summer break
- B. Before work begins in any area of a school building
- C. Within 30 days after the work ends
- D. Only after the Governor has approved the plan
Show answer
Answer: B. Before work begins in any area of a school building
"Management plans shall be available for inspection, without cost or restriction, to workers before work begins in any area of a school building."
Source: eCFR: 40 CFR 763.93, Management plans (as of Nov 4, 2026)
Records and warning labels
18. A school district keeps the records that 763.94 requires, such as training, periodic surveillance, cleaning and O&M records. Under 763.94(a), where must those records be maintained?
- A. Only at the office of the accredited contractor that did the most recent response action
- B. Only in the administrative office of the school
- C. In a centralized location in the administrative office of both the school and the local education agency, as part of the management plan
- D. At the EPA Regional Office
Show answer
Answer: C. In a centralized location in the administrative office of both the school and the local education agency, as part of the management plan
763.94(a) says "Records required under this section shall be maintained in a centralized location in the administrative office of both the school and the local education agency as part of the management plan."
Source: eCFR: 40 CFR 763.94, Recordkeeping (as of Nov 4, 2026)
19. A school is preparing the warning labels it must attach next to ACBM left in place in its boiler room. What does 763.95(c) say about the print on the label?
- A. It must be printed in the school's own colors
- B. It must be handwritten by the person designated under 763.84
- C. It must be the same size as the print in the management plan
- D. It must be readily visible because of large size or bright color
Show answer
Answer: D. It must be readily visible because of large size or bright color
763.95(c) says "The warning label shall read, in print which is readily visible because of large size or bright color, as follows", followed by the required caution wording.
Source: eCFR: 40 CFR 763.95, Warning labels (as of Nov 4, 2026)
Exclusions from inspection
20. Under 763.99(a)(6), an accredited inspector determines that no ACBM is present in a school area where asbestos removal operations were conducted before December 14, 1987. On what must that determination be based?
- A. A letter from the school principal
- B. Inspection records and contractor and clearance records
- C. The original construction bid documents only
- D. Interviews with the custodial staff
Show answer
Answer: B. Inspection records and contractor and clearance records
The exclusion applies where, "Based on inspection records and contractor and clearance records, an accredited inspector has determined that no ACBM is present in the homogeneous or sampling area where asbestos removal operations have been conducted before December 14, 1987".