Lead Inspector / Assessor Course Most Recent Exam 2025|2026
Actual Comprehensive Exam Questions & Correct Answers
(Verified Answers) | Already Graded A+ | Newest Exam | Just
Released!!
The decision that lead is present at or above 1.0 mg/cm2 is
reached if
___percent or more of the components are positive. - ANSWER-
15%
The HUD Guidelines recommend that the housing owner or
client evaluates the quality of a lead based paint inspection by
employing what? - ANSWER-direct observation on-site results
repeat testing
time and motion analysis
During repeat testing, how many testing components should
be included in the
scope of work? -
ANSWER-10
If the difference is less than the retest tolerance limit, the
inspection has...? -
ANSWER-Passed the
retest
If the difference of the overall averages equals or exceeds the
retest tolerance
,limit, this procedure should...? - ANSWER-Be repeated with
ten new testing
combinations
The EPA work practice standards define an inspection as...?
- ANSWER-A
surface-by-surface investigation to determine the presence of
lead based paint.
T/F Any paint that is not sampled or tested must be assumed
to be lead based
paint. - ANSWER-
True
The HUD Guidelines emphasizes the importance of collecting
paint chip samples so that the dimensions of the surface area
of paint removed can be measured accurately to within___? -
ANSWER-1/8th of an inch
Paint chip analysis can be done using...? -
ANSWER-FAAS
ICP-
AES
FAAS - ANSWER-Furnace atomic absorption spectroscopy
ICP-AES - ANSWER-Inductively coupled plasma emission
spectroscopy
,The laboratory can report the results of the lead levels in
what two units? -
ANSWER-
mg/cm2
ug/g, ppm, weight percent or
mg/kg
What is the recommended unit of measurement for lab
samples per HUD
guidelines? - ANSWER-
mg/cm2
NLLAP - ANSWER-National Lead Laboratory Accreditation
Program
What are the two organizations that can evaluate and recognize
laboratories? -
ANSWER-A2LA and
AIHA
A2LA - ANSWER-American Association for Laboratory
Accreditation
AIHA - ANSWER-American Industrial Hygiene Association
What is the organization that administers the ELPAT
program? - ANSWER-
AIHA
, ELPAT - ANSWER-Environmental Lead Proficiency Analytical
Testing
The source of radiation in XRF analyzers is...? - ANSWER-
cobalt-57 isotope
cadmium-109
isotope
Fluorescence - ANSWER-When x-rays and gama rays are
rleased from an XRF
analyzer and hit a painted surface, the elements in the paint
(including lead) are
excited and respond by emitting energy in the form of x-rays
characteristic of
each of the
elements.
The different orbits ("shells") in an atom are labeled
sequentially with letters
staring with...? - ANSWER-K, L, M, N,
O, P, etc
Which shell is closest to the nucleus? - ANSWER-K
T/F Going outward in the electron shells, electrons are more
tightly bound, and thus have more difficulty being ejected from
their orbit or shell. – ANSWER-False - the electrons are more
loosely bound making it easier to eject from their shell
Actual Comprehensive Exam Questions & Correct Answers
(Verified Answers) | Already Graded A+ | Newest Exam | Just
Released!!
The decision that lead is present at or above 1.0 mg/cm2 is
reached if
___percent or more of the components are positive. - ANSWER-
15%
The HUD Guidelines recommend that the housing owner or
client evaluates the quality of a lead based paint inspection by
employing what? - ANSWER-direct observation on-site results
repeat testing
time and motion analysis
During repeat testing, how many testing components should
be included in the
scope of work? -
ANSWER-10
If the difference is less than the retest tolerance limit, the
inspection has...? -
ANSWER-Passed the
retest
If the difference of the overall averages equals or exceeds the
retest tolerance
,limit, this procedure should...? - ANSWER-Be repeated with
ten new testing
combinations
The EPA work practice standards define an inspection as...?
- ANSWER-A
surface-by-surface investigation to determine the presence of
lead based paint.
T/F Any paint that is not sampled or tested must be assumed
to be lead based
paint. - ANSWER-
True
The HUD Guidelines emphasizes the importance of collecting
paint chip samples so that the dimensions of the surface area
of paint removed can be measured accurately to within___? -
ANSWER-1/8th of an inch
Paint chip analysis can be done using...? -
ANSWER-FAAS
ICP-
AES
FAAS - ANSWER-Furnace atomic absorption spectroscopy
ICP-AES - ANSWER-Inductively coupled plasma emission
spectroscopy
,The laboratory can report the results of the lead levels in
what two units? -
ANSWER-
mg/cm2
ug/g, ppm, weight percent or
mg/kg
What is the recommended unit of measurement for lab
samples per HUD
guidelines? - ANSWER-
mg/cm2
NLLAP - ANSWER-National Lead Laboratory Accreditation
Program
What are the two organizations that can evaluate and recognize
laboratories? -
ANSWER-A2LA and
AIHA
A2LA - ANSWER-American Association for Laboratory
Accreditation
AIHA - ANSWER-American Industrial Hygiene Association
What is the organization that administers the ELPAT
program? - ANSWER-
AIHA
, ELPAT - ANSWER-Environmental Lead Proficiency Analytical
Testing
The source of radiation in XRF analyzers is...? - ANSWER-
cobalt-57 isotope
cadmium-109
isotope
Fluorescence - ANSWER-When x-rays and gama rays are
rleased from an XRF
analyzer and hit a painted surface, the elements in the paint
(including lead) are
excited and respond by emitting energy in the form of x-rays
characteristic of
each of the
elements.
The different orbits ("shells") in an atom are labeled
sequentially with letters
staring with...? - ANSWER-K, L, M, N,
O, P, etc
Which shell is closest to the nucleus? - ANSWER-K
T/F Going outward in the electron shells, electrons are more
tightly bound, and thus have more difficulty being ejected from
their orbit or shell. – ANSWER-False - the electrons are more
loosely bound making it easier to eject from their shell
