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TEXAS LEAD INSPECTOR / LEAD RISK ASSESSOR COMBO PREP FOR COURSE EXAM 2024 QUESTIONS AND ANSWERS $9.49   Add to cart
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TEXAS LEAD INSPECTOR / LEAD RISK ASSESSOR COMBO PREP FOR COURSE EXAM 2024 QUESTIONS AND ANSWERS

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TEXAS LEAD INSPECTOR / LEAD RISK ASSESSOR COMBO PREP FOR COURSE EXAM 2024 QUESTIONS AND ANSWERS What is a common problem with the chemical field test kits? False positives What is the main cause of lead contamination in drinking water? Corrosion of lead plumbing If any of the XRF readings...

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  • May 1, 2024
  • 21
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • texas lead inspector lead risk assessor combo pr

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  • TEXAS LEAD INSPECTOR
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TEXAS LEAD INSPECTOR / LEAD RISK ASSESSOR COMBO PREP
FOR COURSE EXAM 2024 QUESTIONS AND ANSWERS

What is a common problem with the chemical field
test kits?
False positives
What is the main cause of lead contamination in
drinking water?
Corrosion of lead plumbing
If any of the XRF readings fall into the inconclusive range, what is the next step?
Take paint chip samples
What is a disadvantage of composite sampling?
Specific sampling location is lost
When employees work with lead, what is the
employer required to do under OSHA?
To determine if worker exposure is at or above 30 μg/m³
What type of insurance protects the inspector against misjudgments?
Errors and omissions
What radioactive sources can be used in an XRF analyzer?
Cobalt-57 (57Co) or Cadmium-109 (109Cd)
.
How would you define tort law?
Civil wrong
What EPA program must laboratories be recognized by to analyze lead samples?
NLLAP
Define room equivalent?
Identifiable part of the house
Houses built before 1940 are generally a higher priority for lead hazard controls
because of what 3 reasons?

,1. Higher concentration of lead in each layer of paint
2. More layers of paint in every surface
3. Higher number of surfaces positive for LBP
How much lead must a laboratory recover
from a spiked sample?
Between 80% and 120% of the original amount
What is one factor the lead inspector must consider when determining how many
lead dust wipe samples to collect?
The number of rooms treated
What caused the decline of lead-based paint during the 1950s?
Use of latex paints
An operator of an XRF during use is exposed to how much radiation?
Small amounts
Why is the Performance Characteristic Sheet (PCS) important?
Provides information on a specific XRF
After lead hazard control strategies have been completed, which of the following
is required by both EPA and HUD for soils?
Visual Examination
What is one factor that will increase the absorption of lead in the body?
Malnutrition
High blood lead levels in young children can permanently affect which system in
the body?
Nervous system
A chewable or accessible surface is within what distance from the floor, ground,
or porch?
3 feet
Where does lead accumulate longest in the body?
Bones
How many subsamples are needed for composite soil samples?
3 to 10
What would be an error or deficiency in a lead Inspection Report and why?

, Generic information on where sampling took place, because specific information should
be provided.
What 3 practices would be good to do in a lead inspection report?
1. Testing each testing combination
2. Complete reporting of the results
3. Less than 1 percent false negatives
Your lead dust wipe results come back at 39 μg of total lead. The sample area
measured was 3 inches by 30 inches. What is the concentration of the calculated
result ( μg/ft²)?
62 μg/ft²
OSHA Permissible Exposure Limit (PEL) (8 hour TWA) for lead is how much?
50 μg/cubic meter
Before a lead inspection, what 3 items should a lead inspector brief the client on?
1. Lead inspection methods
2. Quality assurance methods
3. Access all units
Lead-based paint is defined as any paint, varnish, shellac ,or other coating ON
SURFACES that contains what amount or more of lead?
1.0 mg/cm²
EPA requires that inspection reports be kept for a minimum of how long?
3 years
What is the maximum area that can be sampled by a dust wipe?
2.0 ft²
What is the minimum area that can be sampled by a
dust wipe?
0.1 ft²
What is the normal area that can be sampled by a dust wipe?
1.0 ft²
How many uses do disposable templates for taking dust wipes have?
Once for a single surface then discarded
What 3 areas must the inspector be knowledgeable in?

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