QUESTIONS WITH CORRECT DETAILED ANSWERS WITH RATIONALES
What shell bonds to the nucleus the greatest? - ANSWER-K shell
The NIST Standard of reference material that is closest to 1.0 mg/cm2 is? - ANSWER-
Yellow
In a 4 hour inspection, how often must you perform calibration check(s) of your XRF
analyzer? - ANSWER-Once
mg/cm2 is the scientific symbol for: - ANSWER-milligram per sqaured centimeter
Lead has been used for: - ANSWER-All of the above
In a 10 hour inspection, a lead paint inspector must perform a minimum of __ calibration
checks - ANSWER-4
For buildings that have been built prior to 1960 with 1040 or more similar units, the
inspector must test what percentage of the units common areas and exterior sites? -
ANSWER-5.7 (chart)
During the Roman Empire, lead production was estimated at ___ tons per year -
ANSWER-80,000 tons
For buildings that have been built prior to 1960-1977 with 1000 or more similar units the
inspector must test what percent of the units common areas and exterior sites? -
ANSWER-2.9
Which of the following does HUD not consider a recognized substrate? - ANSWER-
Paper
The chemical symbol for lead is - ANSWER-Pb
As a qualified and trained lead inspector, you should be very suspect of housing units
built before due to the fact that the very well may contain some lead-based paint -
ANSWER-1978
The major source of lead for most adults is: - ANSWER-occupational exposure
Lead causes permanent damage to: - ANSWER-All of the above
Which of the following is THE MAIN hazard for children's lead poisoning: - ANSWER-
exposure through dust and soil
What is the source of radiation in all XRF Analyzers used to test lead based paint? -
ANSWER-Cobalt-57 AND Cadmium-109
, EPA LAED INSPECTOR EXAM AND 2023-2024 ACTUAL EXAM 100
QUESTIONS WITH CORRECT DETAILED ANSWERS WITH RATIONALES
Due to discrepancies of regulations, many inspectors encounter difference between
federal, state, or local, standards. The "rule of thumb" is to: - ANSWER-comply with
more stringent standards
What is emitted from radioactive sourec in the XRF: - ANSWER-Gamma rays
The decay rate of cobalt-57 is approximately: - ANSWER-9 months
Which governmental agency has taken action to virtually remove lead from gasoline
products: - ANSWER-NIOSH
In what year did the Federal Government enact the Lead-Based Paint Poisoning
Prevention Act (LBPPPA): - ANSWER-1971
What is the common source of lead poisoning in children: - ANSWER-lead-based paint
dust
OSHA Lead Standards for exposures above the action level require: - ANSWER-
exposure monitoring, medical surveillance, and medical removal
The basic Federal Law governing waste disposal is known as: - ANSWER-RCRA
THE NLLAP for laboratories was established by - ANSWER-EPA
An XRF analyzer works by exposing a paint surface to radiation emitted from a seated
source inside the instrument. The source of this radiation is generally known as -
ANSWER-cobalt or cadmium
Title X was issued in 1992 by - ANSWER-HUD?
Any certified lead inspector is VERY careful when handling an XRF analyzer. Great
care should be taken not to ________ due to the fact that the instrument contains a
verified source of radioactive material. - ANSWER-All of the above
How often should a wipe test be taken on the surface of the XRF and analyzed for
radioactive levels - ANSWER-Every 3 years?
An XRF analyzer instrument is a technically complicated tool. Under no circumstances
should one: - ANSWER-tamper with or attempt to replace the radiation source
Exposure to radiation is affect by: - ANSWER-STD
Lead is one of the following - ANSWER-a heavy metal