Fire and Smoke Restoration
The particle size range of combustion smoke particles is _____, ______ microns.
.1 , 4
__________ is an oxidizing gas designated by the chemical symbol
03
___________ was used in various building materials (siding, roofing, flooring, adhesives) as an insulating and fire-retarding material.
Asbestos
The most important asset a technician can have is proper _________.
Attitude
_________ ___________ is a commonly available liquid oxidizer that discolors nylons, dissolves protein fibers (e.g., wool and silk) and corrodes some metallic surfaces.
Chlorine bleach
Hot air laden with smoke particles is attracted to _________ surfaces such as outside walls, glass and metallic surfaces.
Cold
Toxic materials such as lead and asbestos are most likely to be released from painted surfaces into the air during sanding and _____________.
Demolition
Before evaluating the success of wet cleaning procedures on masonry surfaces, the surfaces should be ________.
Dry
The most important PPE to wear when working in environment where toxic particles may exist is a _______ respirator. Engineering controls should also be utilized.
HEPA
When working in areas containing loose soot residue, it is highly recommended that restorers use appropriate _____ air scrubbers and don ______.
HEPA, PPE
________ is a heavy metal that was commonly incorporated into paint formulations.
Lead
___________ and ________ are two commonly found invisible safety hazards to be aware of within older structures.
Lead, Asbestos
Corrosion control, winterization for freeze protection, and cleaning surfaces to prevent staining are examples of loss ___________ services.
Mitigation
Some materials and surfaces naturally adsorb more odors than others. The odor control industry refers to them as "__________ _______"
Natural wicks
Oxidizing gas is produced by a machine called __________ _____________.
Ozone machine
Safety issues to watch for in a fire-damages structure include hazards and the building's __________ ____________.
Structural integrity
When burned, this material will provide a thick, heavy black smeary residue.
Synthetic
Specialized equipment that utilizes heat to create a dry deodorant fog is called a ___________ fogger
Thermal
Before __________ __________, it is highly recommended that the restorer contact and advise appropriate departmental agencies.
Thermal fogging
Fogging equipment that has a nozzle attached to a flexible arm and is used to produce deodorant droplets 8-15 micron in size is called a ___________ fogger.
ULV
When alkaline cleaning products fail, as an alternative option the restorer should consider using _________ based cleaning compunds.
acid
As soot particles combine with atmospheric water vapor, it becomes ___________.
acidic
Effective cleaning methods for smoke contaminated exterior masonry surfaced are achieved by using_________ solutions and _______ bastings.
alkaline, media
Acid-based cleaning agents are aggressive cleaners which can be applied to tile, grouting, and ___________ ____________ ___________.
aluminum window frames
The source area or room is where deodorization efforts ________.
begin
When a wood structural member is charred, depending upon severity , it should be scraped before sealing, removed and replaced or cleaning using ___________ media.
blast
Oxidizers commonly used for odor control include chlorine _________, ozone and __________ radicals.
bleach, hyroxyl
When processing smoke residue from painted walls, all cleaning will begin at the _________ and finish at the__________.
bottom, top
Both PAH and soot particles have been reported to be ___________ to humans.
carcinogenic
Most cleaning procedures for structures will begin at the ____________ and finish at the_____________.
ceilings, floor
Usually, the most economical restoration option is _______________.
cleaning
Brick, stone, or other masonry floors may require additional cleaning because the surface may be coated with _________ or _________.
clear sealer, finish
In most smoke odor situations, the best overall system for removal of intense smoke odors require a _________ of techniques and procedures.
combination
Heat, fuel, and oxygen are the key elements required for __________.
combustions
Neutralization of acid residues is a fundamental procedure to early forms of _________ prevention.
corrosion
Usually, fiberglass fixtures are cleaned effectively with non-abrasive ______, ________, or________ soft scrubbed cleaning compunds
cream, foam, liquid
Technicians should not decide they will able to restore a damaged item until they have pretested the item and communicated with the _________.
customer
Moderate soot on semi-gloss enamel painted surfaces is safely removed with a ___________ or general purpose cleaner.
degreaser
The coating components of acoustical textured (popcorn type) ceiling will _____________ when cleaned with aggressive cleaning techniques.
deteriorate
Customers who witness ____________ performed at the beginning of the project are less likely to maliciously complain about pre-existing damage and lost items at project completion.
documentation
Emergency board-up of fire-damages structures should be _______ with minimal additional ________.
durable, damage
Odors are most apparent when the humidity and temperature are ____________.
elevated
When salvageable smoke contaminated finished floor covering are encountered, restorers should plan to clean the, at the beginning and ________.
end
Safety regulations require companies to prepare a hazardous chemical program, issue appropriate safety ___________ to employees, and provide them with safety _________.
equipment, training
Acids clean masonry by what process?
etching
From a common sense perspective, safety on the job site is the responsibility of _______________.
everyone
The cleaning technician's primary task when cleaning structural items is to restore and preserve either _________ or material __________.
fabrics, surfaces
Technicians who clean kitchen ventilation systems often overlook the vent hood filters, ________,and ________ _________ ________.
fans, exhaust duct system
The bathroom fixtures surface that is most vulnerable to smoke residue is ___________________.
fiber glass
Washable hard surfaces such as glossy paints, plastic surfaces, and porcelain are commonly cleaned with _________ _________ cleaners.
general purpose
The restorer's ability to restore soot-contaminated surfaces in influenced by the location of the __________ line.
heat
Ceramic tile grout responds to cleaning with either ______________________ cleaning agents
heavy duty alkaline mild acid
A very difficult smoke odor for technicians to overcome is the __________ __________ odor, also called "psychological" odor.
heightened awareness
One reason to deodorize the structure in the beginning of the project is to help prevent __________ __________ or "psychological" odor. This odor can be difficult to remove.
heightened, awareness
Advise the chemically- sensitive customers to not be ______ the affected areas while work is being performed and ask for their _____ consent of product use.
in, informed
Smoke and soot particles are visual by-products of __________ __________.
incomplete combustion
The restoration company works for the property owner, who is the primary customer. A secondary customer is the __________ __________ when the property owner is an __________
insurance carrier, insured
The work authorization secures a legal binding agreement between the restorer and the customer with financial responsibility, which is the ________ or __________ ____________.
insured, property owner
Areas that need to be cleaned when processing a _________ ________ system include; interior and exterior of exhaust vents and replacing or cleaning filters.
kitchen ventalations
All restoration chemicals must be kept in properly __________ containers and secured on the job site.
labeled
The severity of soot contamination increases with a ________ of oxygen and decreases when a _________ _______ of oxygen is present during the fire.
lack, greater quantity
All contents removed during the emergency service pack-out will be preconditioned with a ______________ ____________ ___________or ___________ ___________ ____________.
lamps wool duster or vacuum with brush attachment
If restoration contractors believe a material contains ______ or _____, they should suspend removal and follow local regulations, which typically includes professional testing.
lead, asbestos
Oils, gels or solids that are impregnated with fragrances, which prolong the evaporation of deodorant vapors, are classified as ___________ __________.
masking agents
Most deodorants used in the fire and smoke damage industry contain __________ agents, _________agents, or both.
masking, pairing
Restorers will insure proper chemical concentrations by properly _________ and following ________ _________ .
measuring, labels directions
Severe smoke damage to exterior brick and mortar masonry may require an aggressive procedure such as strong alkaline solutions or __________ ___________.
media blasting
When cleaning finished paneling with light to moderate smoke reduces, wet clean with a ________ _________ _________
mild alkaline detergent
Vinyl wall coverings can possibly be restored by using a _________ alkaline cleaning product.
moderate
When cleaning built-in appliances, technicians should check for smoke residue in the ________ ________ and _______ ________.
mounting cavities, sub surface areas
Remove charred, unsalvageable materials at the beginning of a job to reduce cross-contamination of __________ and __________.
odor, soils
During a fire, smoke can carry vaporized oils, which eventually settle to leave an _______ ______ on surfaces, which is difficult to remove.
oily film
Ozone is a gaseous ____________ agent
oxidizing
____________ has the capacity to cause harm to people, pets, live plants, and natural rubber products.
ozone
A formulated product that combines with a malodor to form a new odorless compound is considered a ___________ agent.
pairing
Thermal fogging petroleum,-based deodorizers excessively in confined areas can create safety hazards such as : ____________________, __________________, and ______________________.
possible explosions, respiratory irritation, and slippery residues
Normally, when cleaning light to moderate soot-contaminated flat latex-painted surfaces, restorers should __________________ or dry-sponge, followed by wet cleaning when necessary
pre-conditioned
The cleaning procedure called ____________ uses dry soil removal to clean smoke residues from delicate fabrics and surfaces.
preconditioning
Factors to consider in determining the degree of smoke contamination throughout a structure are the air _______ and ________ generated during combustion.
pressure, temperature
Technicians should not decide they will be able to restore a damaged item until they have __________ the item and communicated with the customer
pretest
Food in boxes or cans subject to heat are __________ _________ by the restorer before disposal.
properly documented
A major complication associated with smoke damage attics is accessibility to surfaces and contents of _____________ value.
questionable
Name the four principles of odor control
remove the source, clean, penetration, and sealing surfaces
Restorers may obtain the most accurate information about potential chemical safety from: ___________ sheets, labels, and ___________.
safety data , equipment
When stained or odors persist after painted surfaces are cleaned, the surface should be__________ before repainting.
sealed
To prevent damage to breakable items on walls or furniture , the technician should __________ breakables before wet cleaning.
secure
When working for a customer who is chemically _________, there may be need for special air scrubbing, cleaning agents and deodorizing agents.
sensitive
A basic step required in light-to-moderate smoke odor situations is to begin by cleaning the __________ area.
source
The general categories into which all smoke residues may be places are PAH (Polycyclic Aromatic Hydrocarbons) and __________.
sout
When planning to clean and deodorize smoke damaged light fixtures, a safety step before processing with cleaning is to _______ _______ electrical power.
turn off
Hydroxyls are manufactured by generators, where _________ light combines with water vapor produces hydroxyl molecules.
ultraviolet
If you do not have the correct PPE on, you must ________ spaces that are being wet fogged, thermally fogged or being treated with ozone.
vacate
The first step in cleaning non-asbestos acoustical ceiling tiles with light soot beings by preconditioning with a _________.
vaccum
While working within smaller enclosed room areas with aggressive cleaning agents, restorers should adequately _____________ and wear _____________.
ventilate, PPE
To remove high levels of protein odor from surfaces, ______ __________ is usually required for cleaning protein residues.
wet cleaning
When mixing chemicals, technicians should fill the mixing container first __________ _________, then add the __________ ___________________.
with water, chemical concentrate
When cleaning finished wood surfaces, it is recommended to wash the wood panel surfaces in the same direction of the _______ grain.
wood
___________ __________ gel or cream is a restoration agent used to remove smoke embedded within a clear coated finished surface, especially on wooden furniture.
wood restoring
___________ ____________ cream is effective for cleaning finished wood furniture with heavy smoke damage.
wood restoring
Lighter plastic surfaces subjected to higher temperatures and soot have protentional to _________ irreversibly.
yellow