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Lead Inspector Assessor > HUD Ch. 12: Abatement > Flashcards

HUD Ch. 12: Abatement Flashcards

1
Q

What are the 2 types of HEPA sanders?

A
  1. Shroud

2. Pierces the sandpaper with holes and the vacuum draws the dust through these holes.

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2
Q

What type of HEPA vacuum is required when doing Abrasive Blasting or Sandblasting?

A

HEPA vacuum local exhaust: All exhaust air must be passed through a HEPA filter, with the area placed under negative pressure (at least 10 air exchanges per minute. Fresh air should be provided to the containment zone at a lower rate than the exhaust airflow to maintain the negative pressure zone.

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3
Q

What is HEPA Vacuum Blasting?

A

Abrasive blasting with a shroud under a vacuum that is attached to the blast head.

Appropriate for:

  • Brick
  • Concrete
  • Metal
  • Other masonry surfaces
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4
Q

What is a HEPA Needle Gun?

A

Metal needles rapidly pound against painted surface, dislodging paint. The HEPA vacuum, connected to the gun head, draws chips and dust into the vacuum. Uses a shroud

Appropriate for:
-Metal surfaces.

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5
Q

Respirators must be used when:

A
  • An employee’s exposure to lead exceeds the PEL (50 micrograms/m3
  • Work operations for which engineering controls and work practices are not sufficient to reduce exposures to or below the PEL
  • When an employee requests a respirator
  • When respirators are required to provide interim protection for employee while they perform the operations specified in subsection d2 (Trigger Tasks)
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6
Q

A ____________ must be established and implemented whenever the employer requires respirators

A

Written Respiratory Protection Program

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7
Q

Written standard operating procedures for respirators include:

A
  • Procedures for selecting respirators for use
  • Medical evaluations of employees required to use respirators
  • Fit testing procedures for tight-fitting respirators
  • Procedures for proper use of respirators in routine & reasonably foreseeable emergency situations
  • Procedures to ensure adequate air quality, quantity, and flow of breathing air for atmosphere-supplying respirators.
  • Training of employees in proper use
  • Procedures for regularly evaluating the effectiveness of the program
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8
Q

For Class I Trigger Tasks, the employee is to be protected as though they were exposed _____the PEL, but not exceeding _____micrograms/m3

A

above the PEL, but not exceeding 500 micrograms/m3

10 x the PEL

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9
Q

For Class II Trigger Tasks, the employee is to be protected as though they were exposed to lead above ______, but not exceeding _______

A

above 500 micrograms/m3 (10 x PEL)

not exceeding 50 times the PEL

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10
Q

For Class III Trigger Tasks, the employee is to be protected as though they were exposed to lead above ______micrograms/m3

A

2500 micrograms/m3 (50 x PEL)

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11
Q

The minimum anticipated protection provided by a properly functioning respirator or class of respirators to a given percentage of properly fitted and trained users

A

Assigned Protection Factor (APF)

NIOSH : A measure of the respirator’s effectiveness

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12
Q

A surrogate measure of the workplace protection provided by a respirator

A

Simulated Workplace Protection Factor (SWPF)

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13
Q

A measure of the protection provided in the workplace by a properly functioning respirator when correctly worn and used

A

Workplace Protection Factor (WPF)

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14
Q

The maximum amount of lead that a particular respirator can protect you from.

A

Maximum Use Concentration (MUC)

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15
Q

Equation for calculating MUC

A

MUC = PEL x PF
For half-respirator:
50 micrograms/m3 x 10 = 500 micrograms/m3
For full-face respirator:
50 micrograms/m3 x 50 = 2,500 micrograms/m3
PAPR/SAR
50 micrograms/m3 x 1000 = 50,000 micrograms/m3

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16
Q

A positive pressure respirator that uses a battery and fan that blow the air into the mask

A

Powered Air Purifying Respirator (PAPR)

-minimum level of protection for Class III Trigger Task

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17
Q

Negative pressure respirator that covers your entire face

A

Full-Face Air Purifying Respirator (APR)

-minimum level of protection for a Class II Trigger Task

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18
Q

Negative pressure respirators that cover your mouth and nose and allow for a variety of filter choices

A

Half-Face Air Purifying Respirator (APR)

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19
Q

HEPA filter

A

can remove at least 99.7% of airborne particles 0.3 microns in diameter

Must be used with an air purifying respirator

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20
Q

Supplied air respirators require the use of _____ air

A

Grade D

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21
Q

SAR

A

Supplied Air Respirator
Continuous Flow
OR
Positive Pressure Mode

minimum level of protection for Class III Trigger Task

APF=1000

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22
Q

Requirements for wearing a respirator

A
  • Medical Approval
  • Training
  • Fit Testing
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23
Q

How often is a fit test required for respirators?

24
Q

QNFT

A

Quantitative Test Method for fit testing respirator

Used when respirator requires a fit factor above 100
Exposure levels > 100 x the PEL must use this method

25
When do employers need to provide protective clothing and equipment whenever __________
The PEL is exceeded OR The employee is exposed to lead compounds which may cause skin or eye irritation OR The employee is performing a Trigger Task
26
How often does the employer need to provide clean protective clothing??
At least weekly Daily to employees whose exposure levels without regard to a respirator are over 200 micrograms/m3 of lead as an 8-hour TWA
27
Which California lays out regulations on Requirements for Lead Hazard Evaluation in Public & Residential Buildings AND Requirements for Abatement?
Title 17 (17CCR 36000-36100)
28
A Lead Hazard Evaluation Report must include:
- CDPH Form 8552 (Lead Hazard Eval. Report) - A foundation diagram, site map, sketch indicating specific location of lead hazard & visual inspection - Summary of each testing method, device, & sampling procedure used. - Description of testing & sampling locations - Results of lab analysis, include lab name & address
29
The CDPH Form 8552 & attachments must be retained for _______years
3
30
Lead Abatement for public and residential buildings is designed to reduce lead paint or lead hazards for a minimum of _____years
20 years
31
An Abatement Plan must be prepared by _______ or __________ or __________
a certified lead supervisor, certified lead project monitor, or certified lead project designer
32
An Abatement Plan must include the following
- Detailed written description of the measures and management procedures including containment - Detailed written description of abatement, including methods & locations of rooms & components where abatement is planned. - Recommended schedule for re-inspection, based on type of abatement - Instructions on how to maintain potential lead hazards in safe conditions
33
An Abatement Plan must be retained for ________years
3
34
Abatement designed to reduce lead hazards for < 20 years is classified as _______ ________
Interim Controls (HUD Ch. 11)
35
Prior to conducting abatement, the individual conducting abatement shall submit __________
An Abatement of Lead Hazards Notification (CDPH 8551)
36
Form 8551 (Abatement of Lead Hazards Notification) should be posted
At all entrances to work area & not removed until a clearance inspection has been completed
37
A _________ is the installation of a rigid, durable barrier that is mechanically attached to building components, with all edges and seams sealed with caulk or other sealant.
Enclosure Enclosure system is not dependent on the painted surface of the substrate for its durability.
38
An enclosure should have a design life of _____years
20
39
Acoustical lay-in panels (drop-in ceilings) do not constitute a lead-based paint ________
enclosure
40
Enclosure is ______ ________ on adhesion of underlying coats of paint on the substrate surface for its durability
not dependent
41
_________ surfaces on windows should not be painted
Friction
42
Enclosed surfaces must be labeled behind the enclosure ______________________
Horizontally and vertically, approximately every 2 ft. with a warning, "Danger. Lead-Based Paint" in permanent ink.
43
Coatings or rigid materials that rely on adhesion to a lead-based paint surface and are not mechanically fastened to the substrate
Encapsulants Encapsulation can be a form of paint stabilization or abatement
44
Enclosure and encapsulation are not ____________
Permanent solutions
45
Heat guns operating above ________F are prohibited for paint removal
1,100 F
46
Prohibited for paint removal
- Open flame burning or torching - Machine sanding or grinding without a HEPA vacuum exhaust tool - Uncontained hydroblasting or high pressure wash - Abrasive blasting or sandblasting without HEPA vacuum exhaust tool - Heat guns operating above 1,100 F
47
Chemical paint removal prohibited for paint removal
Methylene chloride fumes may be both flammable and toxic and is a known carcinogen
48
_________stripping is generally preferred to ________paint removal
offsite; onsite
49
chemical strippers
- caustic strippers (potassium or sodium hydroxide) | - solvent strippers (methylene chloride, methanol, toluene)
50
Fairly fast acting strippers but can ______wood fibers if left on too long
weaken These strippers may also leave alkaline residues which must be neutralized by an acidic wash (usually white vinegar with 5% acetic acid
51
Downsides of chemical stripping
- may leave some lead behind that can soak into cracks - create hazardous waste - leftover stripper will allow the new paint coat to fail
52
When using a heat gun, a ________ must be available within 100 feet of the work area
fully charged ABC type 20 lb minimum fire extinguisher (per OSHA)
53
Heat gun paint removal should occur in a room that is ______ ________, since other hazardous materials may be released when heating old painted surfaces
well ventilated
54
When using a heat gun, a _________ should be worn and outfitted with both a HEPA-filtered cartridge and an organic vapor cartridge
air-purifying respirator
55
Heat guns are not effective on __________ & ________ surfaces
metal & masonry
56
Optimal distance for the heat gun from surface is ______ to ______ inches
3-6 inches

Lead Inspector Assessor (11 decks)

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