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lead inspector assessor > HUD Ch. 9 Worker Protection > Flashcards

HUD Ch. 9 Worker Protection Flashcards

1
Q

When is a Written Compliance Plan required

A

Prior to the start of every job in which employee exposure will potentially exceed the OSHA PEL.

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2
Q

What is a Written Compliance Plan?

A

An organized strategy for protecting workers.
Accounts for potential exposure problems, control alternatives, and a schedule for inspection of the job by a competent person(s).

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3
Q

What does a Written Compliance Plan include?

A
  • Description of equipment, materials, controls, crew size, responsibilities, operations and maintenance procedures for each activity in which lead is emitted.
  • Description of control methods
  • Technology considered in meeting the PEL
  • Air monitoring data documenting sources of lead emissions.
  • Detailed implementation schedule
  • Description of lead work practice program used to control worker exposure
  • Description of arrangements made among contractors on multicontractor worksites to inform affected employees of potential lead exposures
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4
Q

What are some examples of lead work practice program?

A
  • Use of protective clothing or equipment
  • hygiene facilities & practices
  • housekeeping practices
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5
Q

How many written compliance plans are required?

A

One for each single family dwelling

For multifamily housing projects that proceed over an extended period, the plan must be updated at least every 6 months.

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6
Q

Adult lead exposures include:

A

Contact with lead-contaminated:

  • Food
  • Cigarettes
  • Clothing or other objects
  • Workplace activities: sanding, use of heat gun, power tool cleaning, spray painting with lead paint, lead containing mortar, lead burning. rivet busting, cleanup with dry expendable abrasives, abrasive blasting, welding, cutting, and torch burning (where lead based paint or coatings are present)
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7
Q

Symptoms of lead poisoning include:

A 
Abdominal discomfort
Anemia
Colic
Constipation
Excessive tiredness
Fine tremors
Headache
High blood pressure
Irritability or anxiety
Loss of appetite
Muscle or joint pain
Pallor
Pigmentation on the gums (blue lead line)
Sexual impotence
Weakness
Inability to keep the hand and arm fully extended (wrist drop)
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8
Q

Health effects including _____are detectable at BLLs below 60 micrograms/dL

A

Neurologic, hemologic, and reproductive

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9
Q

OSHA recommends a BLL no greater than ____to prevent reproductive problems

A

30 micrograms/dL

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10
Q

Have adverse effects been detected below the current OSHA standard for occupational exposure?

A

Yes, current studies have shown this to be the case. OSHA is working on addressing this.

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11
Q

What is the permissible exposure limit (PEL) for lead?

A

50 micrograms/dL of lead per cubic meter of air (8hr time-weighted average)

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12
Q

At what point are workers removed from the job?

A

When their BLLs are at or above 50 micrograms/dL

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13
Q

Local exhaust ventilation is required for which tasks?

A

Needle guns & Vacuum blasting

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14
Q

What type of ventilation is required for chemical removal of paint?

A

Mechanical ventilation - if the chemicals contain volatile substances.

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15
Q

What are workers prohibited from doing in work areas?

A

Eating, drinking smoking, applying cosmetics

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16
Q

When is a handwash station required?

A

It is always required at job sites. Employees must always wash their hands and face before leaving the job site.

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17
Q

Decontamination consists of _______

A
  • Cleaning all tools at the end of the shift
  • HEPA vacuuming all protective clothing before entering decon
  • Entering the decon area
  • Removing protective clothing (roll inward, place in bag)
  • Enter shower or washing facility
  • Remove respirator after washing hands
  • Take shower if available
  • Enter clean area and put on street clothing & shoes
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18
Q

Workers can wear 2 layers of clothing when_____

A

Showers are not feasible.

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19
Q

Initial biological monitoring must be made available to employees exposed to lead levels equal to or greater than ______ on any single day

A

30 micrograms/m3

Take BLL and ZPP (zinc protoporphyrin)

20
Q

Biological monitoring must also be provided when____

A
  • Employees will be performing a trigger task activity
  • When an employee’s BLL is = or > 40 micrograms/dL & provide continued monitoring for 2 months until BLL results are less than 40 micrograms/dL.
21
Q

Ongoing medical surveillance (including BLL & ZPP monitoring and medical examinations, must be provided for ________________

A

All employees who are or may be exposed to lead levels greater than 30 micrograms/m3 for more than 30 days in any consecutive 12-month period.

22
Q

Requirements for Biological Monitoring:

A
  • Monitoring for blood lead and zinc protoporphyrin levels at least every 2 months for 1st 6 months, then every 6 months after.
  • When employee’s BLL is = or > 40 micrograms/dL, biological monitoring at least every 2 months, until 2 consecutive BLL results are <40 micrograms/dL.
  • When employee’s BLL meets criterion for removal from worksite (= or > 50 micrograms/dL), follow up blood testing within 2 weeks.
  • Monthly blood lead level testing during removal period for any employee medically removed due to high BLL
  • Blood lead sample analysis by an OSHA approved lab
23
Q

How soon must an employer notify employees of their individual BLL?

A

Within 5 working days, in writing.

24
Q

After being removed from the job, when can employees return?

A

When 2 consecutive BLLs are < 40 micrograms/dL

25
Q

How long do medical protections extend for employees removed from job?

A

For up to 18 months OR as long as the job continues.

26
Q

Medical records must be retained for the duration of employment plus ___years

A

30

27
Q

Does air sampling need to be conducted in each dwelling?

A

No - Focus on sampling worst-case dwellings. 1 in 20 would be a reasonable approach for both large, mutifamily and small, single-family jobs.

28
Q

If employee exposures to lead are at or above the action level (30 micrograms/dL) but not exceeding the PEL, employers must perform monitoring at least every___months

A

6

29
Q

If employee exposures are at or above the PEL, then monitoring must be performed at least every ___months

A

3
The monitoring must be continued for every 6 months (or 3 months) until at least 2 consecutive measurements are taken at least 1 week apart that are below the action level (or PEL)

30
Q

When must employers notify employees of the results of the exposure assessment?

A

Within 5 working days.

31
Q

What is the flow rate for a sampling pump?

A

1-4 L/min for up to 8hr time weighted average (TWA)

32
Q

A cellulose ester filter, .8 microgram pore size, 37 mm diameter, in cassette filter holder are all components of

A

A sampler from a personal sampling pump.

33
Q

Other equipment used to measure lead from sampling filters

A

Atomic Absorption Spectrophotometer, lead hollow cathode lamp or electrode dischargeless lamp, regulators for air and acetylene, beakers, volumetric flasks, assorted volumetric pipets as needed

34
Q

If a worker is exposed to lead for more than 8 hours in any work day, the employees exposure as a time-weighted average for that day shall be calculated with the following equation

A

Allowable employee exposure (in micrograms/m3) = 400 divided by hours worked in a day.

35
Q

An Exposure Assessment includes:

A
  • Date, number, duration, location & results of samples taken.
  • Description of sampling and analytical methods used, evidence of their accuracy.
  • Type of respiratory protective devices worn if any
  • Name, SSN, & job classification of employee
  • Environmental variables that could affect the measurement of employee exposure.
36
Q

The sampling method used for monitoring must have an accuracy rate not less than _____for the action level of 30 micrograms/m3

A

+/- 25%

37
Q

When sanding must be done to remove lead based paint, _____ sanders are recommended

A

HEPA sanders.

These do not work well on detailed moldings

38
Q

For wipes samples, labs should use ____ Standard Lead Paint Dust or equivalent secondary standard

A

NIST

39
Q

Paint and soil samples must be submitted to a lab recognized by the EPA ______

A

NLLAP: National Lead Laboratory Accreditation Program

40
Q

Labs analyzing soil samples must participate in the _______

A

Environmental Lead Laboratory Proficiency Testing Program

41
Q

Sampling method for airborne particulate for lead

A

NIOSH Method 7082

technique: atomic absorption flame

42
Q

Wipe sampling of designated “clean” areas should be conducted for abatement jobs longer than __ weeks

A

2

43
Q

The air sampling cassette must be positioned within______

A

One foot radius of the mouth

44
Q

Until the employee undergoes an exposure assessment to determine actual exposure, the employer shall provide the following: __________

A
  1. Appropriate respiratory protection
  2. Appropriate PPE & equipment
  3. Change areas
  4. Hand washing facilities
  5. Biological Monitoring
  6. Training (regarding respirators and safety instruction for employees
45
Q

If employer previously monitored for lead exposure within the past _______ months during work operations, employer may ______

A

12; Rely on earlier monitoring results

46
Q

A negative determination can be made after an initial assessment demonstrates surface coating or material contains less than ___% lead dry weight ( ___ppm)

A

.06%; 600ppm

47
Q

If initial determination shows exposure at or above the PEL, employer must continue monitoring until at least ___consecutive measurements, taken at least ___days apart, are below the action level. At that time, monitoring may discontinue

A

2; 7

lead inspector assessor (11 decks)

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