Texas Lead Inspector / Lead Risk Assessor Combo
Testbank EXAM || MOST RECENT EXAM 2026|2027
ACTUAL COMPLETE REAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+ | GUARANTEED SUCCESS!! NEWEST
EXAM | JUST RELEASED!!
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
Half-life - ANSWER-The time it takes half of the materials to
decay into another
radionuclide or
element
What is the half life for cobalt-57? - ANSWER-9 months
What is the half life for cadmium-109? - ANSWER-15 months
Gamma and x-rays are forms of...? - ANSWER-ionizing radiation
Why is ionizing radiation harmful for our bodies? - ANSWER-
The chemically active ions can form compounds that interfere
with the process of cell division and metabolism.
The quantity of ionizing radiation exposure is measured
in...? - ANSWER-
roentgens
, The units of dosage of ionizing radiation is measured in...? -
ANSWER-rem or
mrem
Rem - ANSWER-roentgen equivalent man
mrem - ANSWER-milirem or 1/1000 of a rem
NRC - ANSWER-Nuclear Regulatory Comission
What two agencies have set exposure limits for ionizing
radiation? - ANSWER-
OSHA and
NRC
What is the permissible exposure limit for ionizing radiation for
the whole body
set by NRC? - ANSWER-5 rem per year or
5,000 mrem
What is the permissible exposure limit for ionizing radiation for
the whole body
set by OSHA? - ANSWER-1.25
rem/quarter
What is the permissible exposure limit for ionizing radiation
for the extremities
set by NRC? - ANSWER-50 rem per year or
50,000 mrem
Testbank EXAM || MOST RECENT EXAM 2026|2027
ACTUAL COMPLETE REAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+ | GUARANTEED SUCCESS!! NEWEST
EXAM | JUST RELEASED!!
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
Half-life - ANSWER-The time it takes half of the materials to
decay into another
radionuclide or
element
What is the half life for cobalt-57? - ANSWER-9 months
What is the half life for cadmium-109? - ANSWER-15 months
Gamma and x-rays are forms of...? - ANSWER-ionizing radiation
Why is ionizing radiation harmful for our bodies? - ANSWER-
The chemically active ions can form compounds that interfere
with the process of cell division and metabolism.
The quantity of ionizing radiation exposure is measured
in...? - ANSWER-
roentgens
, The units of dosage of ionizing radiation is measured in...? -
ANSWER-rem or
mrem
Rem - ANSWER-roentgen equivalent man
mrem - ANSWER-milirem or 1/1000 of a rem
NRC - ANSWER-Nuclear Regulatory Comission
What two agencies have set exposure limits for ionizing
radiation? - ANSWER-
OSHA and
NRC
What is the permissible exposure limit for ionizing radiation for
the whole body
set by NRC? - ANSWER-5 rem per year or
5,000 mrem
What is the permissible exposure limit for ionizing radiation for
the whole body
set by OSHA? - ANSWER-1.25
rem/quarter
What is the permissible exposure limit for ionizing radiation
for the extremities
set by NRC? - ANSWER-50 rem per year or
50,000 mrem
