ANSWERS (GRADED A+)
Asbestos - Containing Material (ACM) - ANSWER - Any material or product containing
more than 1% Asbestos.
Amended Water - ANSWER - water with a surfactant in it.
Air Flow Tests should be performed when? - ANSWER - -Before operation begins
-At least once per operating shift
-anytime there is a question regarding the integrity of the enclosure.
For Class I Jobs: Negative Pressure must be established for how long? - ANSWER - 24
hrs a day for entire duration of project.
DOT (Department of Transportation) - ANSWER - 49 CFR Parts 171 &172
Pink Book - ANSWER - Bulk Sampling
Before removing work clothing - ANSWER - Clean with a HEPA Vacuum
Where are respirators removed? - ANSWER - The Shower
Green Book - ANSWER - Management Plan
Formula for # of negative air machines - ANSWER - Volume of Area/15 mins
------------------------------
CFM of Unit
+ Backup Machine
1. Warning labels shall be attached in buildings, where?
2. What should they say? - ANSWER - 1.Immediately adjacent to any ACBM,
Suspected ACBM or assumed ACBM in routine maintenance areas.
2. Caution: Asbestos. Hazardous. Do not disturb without proper training and equipment.
For removing asphalt and vinyl flooring which contain ACM, or are in bldg. constructed
no later than 1980 and not tested... employees shall follow these work practices
(9) - ANSWER - 1. No sanding flooring or its backing.
2. Use HEPA vacs, disposable dust bags & metal floor tool (no brush) to clean floors.
3. Resilient sheeting shall be removed by cutting & wet methods.
4. Scraping of adhesives shall be wet.
5. No dry sweeping.
,6. No mechanical chipping without neg. pressure enclosure.
7. Remove tiles intact.
8. Wetting can be omitted if tiles are heated and removed intact.
9. Resilient flooring material & associated mastic shall be assumed to be ACM unless
testing determines otherwise.
A building owner of a building constructed before 1979, who knows the building
contains ACCM, shall provide all employees in that building with the following: -
ANSWER - Any Asbestos Surveys
- Specific ACCM locations
- General Procedures and handling restrictions
- Summary of bulk sampling results.
- Health Risks.
At a multi-employer worksite, an employer performing work requiring the establishment
of a regulated area shall...? - ANSWER - - Inform other employers on the site of the
nature of the employers work with asbestos or PACM
- Inform other employers of the existence of & requirements pertaining to regulated
areas.
- Inform other employers of measures taken to ensure their employees are not exposed
to asbestos.
Water Spray Process System Work Practices
(4) - ANSWER - 1. System shall run for 10 mins before removal begins.
2. All removal shall take place within the water barrier.
3. System shall be operated by 3 persons, one of whom shall not perform removal, but
maintains equipment.
4. After removal ACM/PACM shall be bagged while still inside the water barrier.
Water Spray Process System Specifications
(3) - ANSWER - 1. Piping shall be surrounded on 3 sides by rigid framing.
2. A 360 degree water spray on a separate high pressure water line.
3. The spray shall collide to form a fine aerosol, creating a liquid barrier between ACM &
workers.
Medical Exam shall include: - ANSWER - 1. Medical & work history
2. Questionnaire
3. Chest x-ray
4.PFT
5. Any other exams requested by DR.
NESHAP Cat. I - ANSWER - Asbestos containing packings, gaskets, resilient floor
covering, & asphalt roof products.
, Class IV Asbestos Work - ANSWER - Maintenance & custodial activities during which
employees contact but do not disturb ACM or PACM, and activities to clean up dust,
waste & debris resulting from class I, II & III activities.
PACM - ANSWER - Presumed Asbestos Containing Material
TSI and surfacing material found in blogs. constructed no later than 1980
Removal of Roofing ACM - ANSWER - 1. Remove intact to extent feasible
2. Use wet methods
3. Use HEPA shroud on roof cutters
4. Lower waste to ground by covered, dust tight chute, crane or hoist.
5. Lower ACM to ground by end of work shift
6. Isolate roof level HVAC air intake, shut down HVAC
AHERA initial cleaning procedures: - ANSWER - 1. HEPA vacuum or steam clean all
carpets
2. HEPA vacuum or wet-clean all other floors and all other horizontal surfaces.
3. Dispose of all debris, filters, mop-heads, and clothing in sealed, leak-tight containers.
Fiber (OSHA) - ANSWER - Particulate form of Asbestos, 5 micrometers or longer, with
a length-to-diameter ratio of at least 3 fol.
Training required for maintenance or custodial staff who may work in a bldg. with
ACBM? - ANSWER - 2 hour awareness training, within 60 days of employment start
date.
When Asbestos waste is taken to the landfill it should be...? - ANSWER - - In a separate
area for asbestos waste.
- Completely covered within 24hrs. with a minimum of 6" of non-asbestos material.
- Covered with an additional 30" of non asbestos material for final closure.
Training requirements for maintenance or custodial staff who might disturb ACBM? -
ANSWER - 2 hour awareness
+ 14 hour additional training
(2 day)
Response Actions for significant damaged friable surfacing ACM or misc. ACM -
ANSWER - 1. Immediately isolate the functional space and restrict access, unless
isolation is not necessary to protect human health and the environment.
2. Remove the material, or enclose or encapsulate if sufficient to protect human health
and the environment.
Asbestos Worker Training Requirement - ANSWER - 4-Day Training Course. Includes
14 hrs. of hands on training.