Certified Ozone Professionals & Ozone Companies
To Control & Remove Mold, Pet Odors, & Other Odors

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For ozone help, please phone Phillip Fry 1-480-217-7173 or email phil@moldinspector.com

Odor Removal Strategies and Equipment

For ozone help, please phone Phillip Fry 1-480-217-7173 or email phil@moldinspector.com

Deodorization principles:
 Identify and then Remove the source, as possible
 Clean contamination from surfaces
 Recreate the conditions of penetration with appropriate counteractants
 Seal (encapsulate), if required

General Deodorization:
 Detection device – nose (“sniffometer)
 Types of odors: - real and heightened awareness (“psychological”)
 Amplification of odors: - temperature and humidity
 Particle size – smoke - .01 – 4 micron; nicotine – 0.01 – 1 micron
 Combination methods – usually, the best process to remove odors

Deodorization agents:
 Masking – pleasant fragrance; “odorizer”; time-release agents; oils, gels, solids, blocks (air-spaces; HVAC
system ductwork)
 Sorbing – absorbent – draws odors “into”; adsorbent – draws odors “onto” (odor granules)
 Pairing – combines with malodor to produce non-odorous substance; combined with masking agents (a.k.a.
“odor modifiers”) in most fire/smoke odor restoration chemicals
 Disinfectant – (bactericides, biocides, germicides) – EPA-registered; destroys odors from microorganisms
“-cide” – suffix meaning to “kill”; “-stat” – suffix meaning to “limit or control” growth
 Sanitizer – urine decontaminant; safe for use on stain-resistant carpet fibers (aldehydes)
 Digester (enzyme) – digests protein odors (blood, milk, egg, urine, meat, bodily fluid)
 Oxidizers – (hydrogen peroxide, sodium hypochlorite) – destroys odors
 Oxidizing gas – (ozone) – destroys odors through ozone O3 – permanent odor removal
 Odor diffusion – (e.g., Vaportek) – safe, natural, essentials oils
 Sealer (encapsulant) – alcohol-based, non-porous to “lock-in” odors in salvable materials (stains; odors)
 Sealer (molecular encapsulant) – chemical encapsulant, with bonding agent, to hold „deodorized” molecules
in suspension (urine; protein odors; smoke)

Deodorization equipment:
 Safety – chemical-resistant gloves; body gear; respiratory
 Injection – syringe needle; trigger pump with injection needle (large dispersal ability)
 Pump/pressure Sprayers – hand-held; in-line injection; electric (controlled pressure)
 Power blower – fogging interior of walls; Ejector fan – gas and smoke evacuation
 Wet “cold” foggers – water-based agents (tri-jet 20-50 microns) and (ULV – 8-15 microns) – fog airspace;
not to be used on water-sensitive surfaces; respiratory irritant
 Dry solvent “hot” fogger (hand-held or gasoline-powered) – solvent-based (.5-2 microns) Vapor diffusers – safe, natural and essential oils (molecular size)
 Ozone generator – electric-powered creating ozone (molecular size) – use in unoccupied areas; persistent
protein odors; degrades natural rubber; heavier than breathable oxygen – use with airmover
 AFD (air filtration device) – chemical-sensitive customers; ventilation of toxic or malodors; HEPA (High
Efficiency Particle Air) filters capture 99.97% of particulates down to .3 micron size (fungal/bacterial)
 Subsurface extraction tool (e.g., water claw) – ability to flush thoroughly any contaminants from carpet and
cushion; reach penetrated areas with appropriate deodorant; “Recreates the Conditions of Penetration”

Disinfectant – (bactericides, biocides, germicides)
– destroys odors caused by microorganisms; do not fog into respirable air; obtain written informed consent
 “-cide” – suffix meaning to “kill”
 “-stat” – suffix meaning to “limit or control” growth
 EPA (Environmental Protection Agency) – jurisdiction over use of disinfectants
 “disinfect” – destroy a broad spectrum of microorganisms, but not all spores
 “sanitize” – reduce microorganisms on surfaces to safe level for human use
 “sterilize” – destroy a broad spectrum of microorganisms and all their spores
 Types – (oxidizers; quaternary ammonium chlorides; aldehydes; alcohols; phenolics; iodophors)

Urine Contamination
 territorial area – animals “mark their territory”
 odors amplified by humidity and temperature
 alkaline salts (transformed pH from acidic urine) attracts humidity from air, amplifying odors
 locating urine (yellow pigmentation; fluorescent UV light, black light; discolorations)
 chemical requirements (Neutralize – Sanitize – Deodorize)
 General process – identify the source; apply acid spotting agent; disengage carpet/remove tackless, as
needed; saturate backing with appropriate agent; allow dwell time; seal subfloor; install new cushion;
reinstall carpet; final clean; accelerate drying

Microbial odors
 Requirements for growth (food source; temperature; moisture; stagnant air; time)
 Odor elimination – arrest odor (slow growth; alter environment); eliminate source

Miscellaneous odors:
 Environmental Tobacco Smoke (ETS) – treat as a persistent grease fire - small particle size;
penetrates porous surfaces; yellowing, requires thorough cleaning of all surfaces and fabrics
 Bloodborne Pathogens (BBP)
 present in human body/blood discharge – examples – Hepatitis B (HBV); HIV
 contaminated materials means there is presence or reasonably anticipated presence of blood
 Hepatitis B – liver damage; HepVac shots (3-series) required for who may be exposed in work at
no charge to employee
 Engineering controls – hand washing ability; proper disposal of sharps; minimize exposure
 Universal precautions – treat all human blood and certain body fluids as if known infectious
 Decomposition of animal odors – find source, treat with 4 principles
 Skunk odors – spray from musk gland (sulfur spray – highly penetrating; pungent) – thoroughly
clean and use oxidation for best odor removal
 New carpet odors – ventilate; “baking”; cleaning; ozone gas

The above outline is courtesy of http://www.disasteracademy.com.
 Tear gas - treat as a persistent grease fire – massive ventilation required
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