Exam (elaborations)
EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS
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EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS
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EPA LEAD INSPECTOR EXAM PREP QUESTIONSAND ANSWERS
What size should a paint sample be? Correct Answer 4 square
inches
What are the two questions that should be answered by a
summary report for an LBP inspection? Correct Answer Is the
paint lead based
Where is it located
After abatement the EPA requires what two items to be done in
target housing and child occupied facilities? Correct Answer post
abatement visual inspection and dust sampling
What are the three responsibilities an inspector has to ensure
effective cleanup? Correct Answer 1. visual inspection
2. cleance testing of dust
3. visual examination of soil
Where should a visual examination focus? Correct Answer Hard
to reach areas
What happens if a work area fails a visual inspection Correct
Answer the contractor must complete hazard controls and/or
reclean before dust samples are conducted
loading Correct Answer a measure of total amount of lead present
in ug/ft2 surface area
weight concentration Correct Answer measure of the amount of
lead contained in dust, expressed in micrograms of lead per gram
of dust (ug/g)
,How is loading measured? Correct Answer wipe sampling or
vacuum sampling
Why is wipe sampling recommended? (5) Correct Answer 1.
relatively simple and cheap
2. has been correlated with children's blood lead levels in studies
3. current standards are based on wipe sampling
4. vacuum sampling is not standardized
5. it is not possible to identify dust hazards directly using vacuum
sampling.
Standard for wipe sampling protocol Correct Answer ASTME
1728
Standard for specifications for wipe sampling material Correct
Answer ASTM-E 1792-96a
requirements for size of wipe sample Correct Answer at least
0.1ft2 and no more than 2 ft2
What must inspectors document when wipe sampling? Correct
Answer The specific area measurement
What are the two purposes of blank samples? Correct Answer to
ensure the media isn't contaminated and the inspectors sampling
technique isn't poor
Spiked sample Correct Answer is a wet wipe spiked with a known
amount of lead to test the laboratories ability to analyze dust wipe
samples
ratio of spiked samples needed Correct Answer 1 for every 50
samples
,Advantages of Composite sampling Correct Answer lower cost
per surface sampled; increased surface area that can be wiped
for the same cost;
disadvantages of composite sampling Correct Answer information
on specific location is lost; laboratories will have to adopt special
handling and digestion procedures
Composite samples should only be collected from where? Correct
Answer bare floors, carpeted floors, window sills, window troughs,
exterior surfaces
What happens if a composite sample fails? Correct Answer all the
rooms with that component must be re-cleaned
When should a single surface sample be used? Correct Answer
when informion is needed to determine leaded dust levels in a
specific location; in other areas where leaded dust levels are
expected to be high to determine if target cleaning efforts are
needed
When should composite samples be used? Correct Answer When
controlling costs is essential
What determines the amount of post abatement clearance
samples that are done? Correct Answer depends on number of
rooms treated, type of sampling, and whether work was inetior or
exterior
When does the EPA not require dust wipe sampling? Correct
Answer following abatement exclusively on exterior of a dwelling
What are EPA requirements for clearance sampling multifamily
housing of 20 units or more Correct Answer require that a
, sufficient number of residential dwellings are selected for dust
sampling to provide a 95 percent
level of confidence that no more than 5% or 50 of the residential
dwellings in the randomly sampled population
exceed the appropriate clearance levels
final dust wi[e sample is reported in what? Correct Answer ug/ft2
If postabatement soil samples are collected then Correct Answer
preabatement soil samples should also be collected
How many soil samples should be collected for one composite
sample? Correct Answer 3-10
how deep should you go when soil sampling Correct Answer top
half inch
How does an inspector choose sampling locations? Correct
Answer based on the their professional judement of contact areas
Who does not recommend the use of lead spot test kits? Correct
Answer EPA and HUD
Where should statement of federal disclosure requirements be
located on the report? Correct Answer summary page of the
report
how long should an inspection report be kept? Correct Answer
EPA requires 3 years
What else do we need to know for a risk assessment besides lead
paint concentration? Correct Answer condition of paint, various
exposure pathways, likely sources of exposure, future plans for
dwelling
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