Questions and CORRECT Answers
S500 (Water) // S520 (Mold) // NY City Guidelines - CORRECT ANSWER- In general,
which remediation guidelines/standards should a remediator be familiar with?
S520 Standard for Professional Mold Remediation - CORRECT ANSWER- The industry
standard of care document for mold remediation contractors is...?
Condition 1 // Normal or uncontaminated building or items // Indoor environment that may
have settled spores, fungal fragments whose identity; location and quantity are reflective of a
normal fungal ecology for a similar indoor environment // no treatment necessary -
CORRECT ANSWER- What does "normal fungal ecology" mean?
Indoor environment which is primarily contaminated with settled spores that were dispersed
directly or indirectly from a condition 3 area // Spores landed on indoor surfaces or are
suspended in the air but are not actively growing // HEPA vacuuming or damp wiping -
CORRECT ANSWER- Describe a Condition 2
Indoor environment contaminated with the presence of actual mold growth and associated
spores // Actual growth includes growth that is active or dormant, visible or hidden -
CORRECT ANSWER- Describe a Condition 3
Yes - CORRECT ANSWER- Do you find settled spores in indoor environments with no
complaints?
CONDITION 2 (SETTLED SPORES HAVE AN UNUSUAL DISTRIBUTION) -
CORRECT ANSWER- What are "settled spores" according to the S520?
Should - CORRECT ANSWER- The Trigger language term that defines the "standard of
care" in the S500 and S520 is...?
Shall - CORRECT ANSWER- The Trigger language term that defines mandatory or
regulatory requirements (S500 & S520) is?
,recommended - CORRECT ANSWER- The trigger language term that defines advised or
suggested (S500 & S520) is...?
Complexities - CORRECT ANSWER- How are situations referred to in the S500 and S520
that make a project more difficult or detailed, but the project can still be performed?
Complications - CORRECT ANSWER- How are situations referred to in the S500 and S520
that make a project more intricate or complex after the start, but the project can still be
performed with a change in scope?
Limitations - CORRECT ANSWER- How are situations referred to in the S500 and S520 that
limit the scope and remediation activities?
No - CORRECT ANSWER- Are there federal mold remediation regulations in the US or
Canada?
Workers health, other occupants, unaffected area, HVAC system - CORRECT ANSWER-
What are we trying to protect in a microbial remediation project?
Identify and eliminate the water source - CORRECT ANSWER- What should be the first step
in a microbial remediation project?
Ability of people to reocc - CORRECT ANSWER- What is the ultimate cleaning criterion
(according to the ACGIH Bioaerosols)
Methods and procedures that we implement to protect the worker & occupants & HVAC
system - CORRECT ANSWER- What does engineering control mean?
Isolation with Containment, Airflow Management, HEPA filtration and controlled demolition
methods - CORRECT ANSWER- Name Engineering Controls
PPE - CORRECT ANSWER- What is not an engineering control?
, One millionth of a meter - CORRECT ANSWER- What is the definition of a micron?
DIGITAL MONOMETER - CORRECT ANSWER- How can evaluate and test an air flow
and a pressure differential?
High Efficiency Particulate Air - CORRECT ANSWER- What does the acronym HEPA stand
for?
removes 99.97% of particulate matter of 0.3 microns and larger - CORRECT ANSWER-
WHAT IS THE DEFINITION OF HEPA FILTRATION?
Isolation of work area, managing air flow and controlled demolition - CORRECT ANSWER-
What are the three main principles used for protecting people and unaffected environments?
Preloss conditions // safe & sanitary // Condition 1 - normal fungal ecology - CORRECT
ANSWER- What are the goals in a microbial remediation project for the remediator and IEP
(Indoor Environmental Professional)?
Water source - CORRECT ANSWER- What factors are necessary for mold growth to occur?
Keep building dry and when wet, dry immediately and expediently - CORRECT ANSWER-
What is the best way to prevent mold growth in a building?
Wet building materials - CORRECT ANSWER- What can create odors in wet buildings?
When air is supplied to a space than taken out - CORRECT ANSWER- Define positive
pressure in a space?
When air is taken out of the space - CORRECT ANSWER- Define negative pressure in a
space?
Enclosure in a work area that is contained with poly - CORRECT ANSWER- What is a local
containment?