EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS GRADED
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A2LA - ANSAmerican Association for Laboratory Accreditation
Accessible surface - ANSsurface that protrudes from the surrounding area to the extent that a child can
chew the surface and is within three feet of the floor or ground (e.g. window wills, railing and the edges of
stair treads)
According to Cal OSHA Title 8, Section 1532.1, what is the title of the person in charge of lead projects
and oversight? - ANSSupervisor
ACGIH - ANSAmerican Conference of Governmental Industrial Hygienists
Agreement state - ANSAssume responsibility for the regulation of uranium and its by-products
AIHA - ANSAmerican Industrial Hygiene Association
ASV - ANSAnodic Stripping Voltammetry
At a minimum, a calibration check should be done when? - ANSat the beginning of each inspection, at
least every four hours, and at the end of each inspection
At what lead levels must soil be abated? - ANS400 ppm in child play area
1000 ppm in bare soil
At what level (in water) should households take steps to limit lead exposure? - ANS15 ppb
Before a lead based paint inspector begins an inspection, what should be done? - ANSA pre-inspection
conference should be held between the inspector and the client
Besides leaded gasoline, what are other sources of lead contamination in air? - ANSEmissions from
smelters and battery factories and combustion of oil, coal, waste oil and municipal wastes.
Blind analysis of spiked samples must fall within...? - ANS80 to 120% of the true value
Building component type - ANSthose items in the interior or exterior of housing onto which paint, stain,
varnish or shellac has been applied and that have a common substrate
cm - ANScentimeter ; 1/100 of a meter ; 0.3937 of an inch
cm2 - ANSsquare centimeter ; 0.1550 square inch ; unit of measure for lead in paint (mg/cm2)
Combination Risk Assessment/Inspection - ANSDetermines where the lead based paint in a property is
actually located and where lead based paint hazards are located
Composite samples should be collected from what components? - ANSbare floors
window sills
window troughs
exterior surfaces
Currently, what is the principal industrial use of lead? - ANSManufacture of electrical storage batteries
Deteriorated paint - ANSany interior or exterior paint that is peeling, chipping, chalking, cracking or is
located on an interior or exterior surface or fixture that is damaged or deteriorated
dL - ANSdeciliter ; a measure of volume; the unit of measure for blood lead levels ; 1/2 cup

EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS GRADED
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During repeat testing, how many testing components should be included in the scope of work? - ANS10
During what conditions does the HUD Guidelines protocol allow the inspector to stop testing a component
type? - ANSIn housing where similar building component types with identical substrates are all found to
contain lead based paint within the first five interior room equivalents
Dust spiked sample - ANSA wipe or filter containing a known weight of lead based paint dust, measured
to the nearest 0.1 ug of lead dust
ELPAT - ANSEnvironmental Lead Proficiency Analytical Testing
Exposure to high concentrations of lead can cause what? - ANSRetardation, convulsions, coma, and
death
Exposure to radiation is affected by what important factors? - ANStime
distance
shielding
FAAS - ANSFurnace atomic absorption spectroscopy
Fluorescence - ANSWhen 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.
For 1960-77 buildings or developments with 1,000 ore more units, test ___of the units and round up any
fraction to the next whole number. - ANS2.9%
For a venous confirmed blood lead level above 45ug/dL for a child under 6, what is the interpretation and
action required (if any)? - ANSChild is seriously lead-poisoned; medical checkup and treatment
For a venous confirmed blood lead level of 10-14ug/dL for a child under 6, what is the interpretation and
action required (if any)? - ANSChild has some exposure to lead; community intervention activities
For a venous confirmed blood lead level of 15-19ug/dL for a child under 6, what is the interpretation and
action required (if any)? - ANSChild has an elevated blood lead level; level confirmed with 2nd blood lead
level test. Individual case management, including nutritional and educational interventions and more
frequent screening. If level persists, conduct an environmental inspection and remediation
For a venous confirmed blood lead level of 20-44ug/dL for a child under 6, what is the interpretation and
action required (if any)? - ANSChild is considered to be lead-poisoned; environmental investigation and
remediation as well as items from above (15-19ug/dL). Medical checkup.
For a venous confirmed blood lead level of below 10ug/dL for a child under 6, what is the interpretation
and action required (if any)? - ANSChild is not lead-poisoned; no action
For pre-1960 or unknown age buildings or developments with 1,040 or more similar units, common areas
or exterior sites, test ___of them and round u to the next whole number. - ANS5.8%
For purposes of lead based paint inspections, housing may be divided into what two types? - ANSsingle-
family and multi-family
For samples collected along the foundation dripline (e.g. when exterior work was conducted on all faces
of the dwelling), subsamples should be collected at least... - ANStwo to six feet apart

EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS GRADED
A+
For single-family housing, the HUD Guidelines recommend XRF testing on at least...? - ANSone location
per testing combination, except interior and exterior walls
four readings, one on each wall (interior room equivalent or exterior)
ft - ANSfoot - 12 inches; 30.48 centimeters
ft2 - ANSsquare foot ; 144 square inches ; 929 square centimeters; the unit of measure most often used
for dust wipe samples (ug/ft2)
g - ANSgram ; a measure of weight ; 0.035 ounces
Gamma and x-rays are forms of...? - ANSionizing radiation
General license - ANSAllows the user of the XRF, such as a lead inspection company, to take possession
of the radioactive source under the manufacturer's specific license.
Half-life - ANSThe time it takes half of the materials to decay into another radionuclide or element
How does the dust differ in screen and full assessment? - ANS2 composite for screen
3 or 4 composite , or 6-8 single surface for full assessment
How does the intensity of radiation behave when increasing the distance? - ANSThe intensity is reduced
by the square of the distance from the source
How does the paint differ in screen and full assessment? - ANSIt doesnt
How does the soil differ in screen and full assessment? - ANSNone in screen
2 composite for full assessment
How many agreement states are there? - ANS26
How many blanks should be included? - ANSOne blank wipe is collected for each dwelling unit sampled,
or, if more than one dwelling unit is sampled per day, one blank for every 50 field samples, whichever is
less.
How many dust samples are necessary for evaluating the hazards for a single-surface sample in a risk
assessment? - ANSat least 6 to 8 dust samples
How many readings do you need to take for a substrate correction? - ANS6
How many samples should be taken for exterior walls? - ANSselect at least four sides
average the readings (rounding the result) to obtain a result for any remaining sides
HUD defines a high-hazard job as...? - ANSrepainting
plaster or wall repair
window repair
water or moisture damage repair
building component replacement
welding on painted surfaces
floor refinishing
carpet replacement

EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS GRADED
A+
baluster repair
demolition
HUD prohibits paint removal when using heat guns operating above ___ degrees Fahrenheit to -
ANS1100
ICP - ANSInductively Coupled Plasma Atomic Emission Spectroscopy
ICP-AES - ANSInductively coupled plasma emission spectroscopy
If a room equivalent has more than four walls in a single-family housing, what should be done? -
ANScalculate the average of the four readings
round the result to the same number of decimal places as the XRF displays
classify remaining walls with the same painting history as the tested walls based on this rounded average
If the difference is less than the retest tolerance limit, the inspection has...? - ANSPassed the retest
If the difference of the overall averages equals or exceeds the retest tolerance limit, this procedure
should...? - ANSBe repeated with ten new testing combinations
In a risk assessment, in the management office, how many dust samples should be collected? - ANS1 or
2 if the area is more than 400 square feet
In California, how often is re-certification? - ANSEvery other year
In Chapter 17 of the HUD Guidelines, it is recommended to have a visual examination be conducted by a
trained work crew supervisor after every routine building maintenance job which affects a lead painted
surface, in addition to...? - ANSat least one floor dust sample be taken near the work area for every 20
high hazard jobs
In what year did Congress ban the use of lead-containing materials above specific percentages in public
water supply systems and in any plumbing providing drinking water connected to public water systems? -
ANS1986
In what year was the Lead; Requirements for Lead Based Paint Activities in Target Housing and Child
Occupied Facilities: Final Rule, (40 CFR part 745), U.S. Environmental Protection Agency published? -
ANS1996
In what year was the Revision to Chapter 7 of the Guidelines for the Evaluation and Control of Lead
Based Paint Hazards in Housing published? - ANS1997
In what year were the HUD Guidelines - Guidelines for the Evaluation and Control of Lead Based Paint
Hazards in Housing published? - ANS1995
Is the housing condition considered in a screen or full assessment? - ANSYes
Is water and air considered in a screen or full assessment? - ANSNo
LCCA - ANSLead Contamination Control Act (1988)
Lead based inspection - ANSa surface-by-surface investigation to determine the presence of lead based
paint and the provision of a report explaining the results of the investigation

EPA LEAD INSPECTOR EXAM PREP QUESTIONS AND ANSWERS GRADED
A+
Lead based paint - ANSpaint, varnish, shellac or other coating on surfaces that contain 1.0 mg/cm2 or
more of lead or 0.5% or more lead in weight
Lead based paint hazards - ANSany condition that cause exposure to lead contaminated dust, lead
contaminated soil or lead contaminated paint that is deteriorated or present in accessible surfaces, friction
surfaces, or impact surfaces that would result in adverse human health effects
Lead based paint inspection - ANSa surface-by-surface investigation to determine the presence of lead
based paint and the provision of a report explaining the results of the investigation
Lead has been used in paint for what three main reasons? - ANSas pigment, to add durability and
corrosion control, and as a drying agent
Lead Hazard Screen - ANStype of risk assessment that applies to housing in good condition
m - ANSmeter ; 39.37 inches ; 1.0936 yards
m3 - ANScubic meter ; 35.314 cubic feet; the unit of measure for lead in the air that workers breathe
mg - ANSmilligram ; 1/1000 of a gram ; unit of measure for lead in paint
mrem - ANSmilirem or 1/1000 of a rem
Multi-family housing (for the purposes of a lead based paint inspection only) - ANSAny group of units that
is similar in construction from unit to unit with 1) 21 or more units if any were built before 1960 or are of
unknown age or 2) 10 or more units if they were built from 1960 - 1977
NLLAP - ANSNational Lead Laboratory Accreditation Program
Nonquantitative Transfer - ANSloss of lead dust
NRC - ANSNuclear Regulatory Comission
Once in the body, lead is distributed by the blood stream to what areas of the body? - ANSred blood cells,
soft tissue, and bone
OPPT - ANSOffice of Pollution Prevention and Toxics
Paint chip analysis can be done using...? - ANSFAAS
ICP-AES
Per Cal OSHA, when must a respirator be used? - ANSif the lead exposure is above the PEL (50 ug/m3)
trigger tasks and air sampling has not been done
a worker requests a respirator, even if lead exposure is below the PEL
Permanent abatement - ANSabatement that will last for more than 20 years including paint removal,
component removal, encapsulation
Permanent Abatement and work over PEL - NO
Abatement Planning - NO
Hazard Evaluation - YES
Clearance Inspections - YES - ANSCertified Lead Inspector / Assessor and Certified Sampling Tech
(under the supervision of an inspector/assessor)

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EPA Lead Inspector Exam Preparation with Answers (302 Solved Questions)

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