STANDARDS OF PRACTICE - Essentials of a Mold Report and Protocol

Sep 30, 2026

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Standards of Practice materials developed for instructors and course developers outline core principles for writing a mold report and mold remediation protocol. The content stresses that assessors cannot determine the full hidden extent of mold inside wall and cabinet assemblies until remediation opens the structure. It argues protocols should recommend qualified, licensed remediators and focus on where and to what extent work is needed to restore to “as new,” rather than directing how to perform remediation. It also distinguishes mold remediation as mold removal, including cleaning, air cleaning, controlled demolition, and oxidation methods, while cautioning against relying on biocides that leave residues or cover failed drying.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages111

Reading Time4 h 40 min

AccessFree to download

Essentials of a Mold Report and Protocol

Florida Mold Law

Assessor Protocol Must Define PRV Guidelines

Florida Definition of Mold Assessment

Federal and Industry Remediation Guidelines

Federal (EPA/OSHA) Remediation Guidelines

Federal (HUD) Mold Assessment Guidelines

IICRC S520 Mold Remediation Guidelines

Determining Extent of Hidden Mold

Assessor guidance vs remediation decisions

Protocol Writing Principles

A Protocol Is Not About Guessing

Mold Remediation Is Mold Removal, Not Just Killing

Mold Removal Methods and Restoration Goal

STANDARDS OF PRACTICE Instructor / Course Developer: 5-25-24 Gary Rosen, PhD FLA Lic Building Contractor. FLA Lic Mold Assessor and Mold Remediator. FLA Independent Insurance Adjuster. PHD Biochemistry UCLA [gary@mold-free.org](gary@mold-free.org) [www.Mold-Free.org](www.Mold-Free.org) Table of Contents Copyright © 2024 by Gary Rosen, Ph.D. Certified Mold [Free Corp. www.Mold-Free.org](Free Corp. www.Mold-Free.org) 2 01 • Essentials of a Mold Report and Protocol • Florida Mold Law. Review. • Assessor Protocol Must Define PRV Guidelines • Florida Definition of Mold Assessment 02 • Federal (EPA/OSHA) Remediation Guidelines • Federal (HUD) Mold Assessment Guidelines • IICRC S520 Mold Remediation Guidelines 03 • IICRC S520 Mold Assessment Guidelines • ANSI/IICRC S520 Not Actually Taught by IICRC • ANSI/IICRC S500 Not Actually Taught by IICRC • Review ESSENTIALS OF A MOLD REPORT AND PROTOCOL Almost Everyone Gets This Completely Wrong Copyright© 2024 by Gary Rosen, PhD. & National Association of Environmentally Responsible Mold Contractors 3 One of The Big Concerns for Assessments How Much Mold In A Wall? • One of the biggest concerns of Mold Assessors is how to determine the extent of hidden mold inside a wall, ceiling, or behind cabinets or baseboards (assemblies) in order to write a Mold Remediation Protocol. • Forget about what you’ve heard; learned; you know; or think you know. • You will never have any idea as to the extent of mold inside these assemblies before they are opened during remediation. • The Mold Assessor’s job in preparing a Mold Remediation Protocol is only to point out the likely locations of mold problems and that’s it! Copyright© 2024 by Gary Rosen, PhD. & National Association of Environmentally Responsible Mold Contractors 4 Determining Extent of Hidden Mold • The Assessor’s Mold Remediation Protocol should recommend that a licensed and insured Mold Remediator be chosen to perform theremediation. • It is the licensed remediator’s job, for the purpose of formulating their remediation quote, to anticipate as best they can how much material has tobe removed or if surface cleaning is all that is needed. • The homeowner will get quotes from licensed Mold Remediatorsto fix the identified or suspected mold problems. We never know extent of problem until walls opened up. Copyright© 2024 by Gary Rosen, PhD. & National Association of Environmentally Responsible Mold Contractors 5 Another Big Concern for Assessors Writing The Mold Remediation Protocol • Another big concern for Assessors when writing a Mold Remediation Protocol… is how much detail? • When a Home Inspector finds an electrical problem, does he explain how the State Licensed electrician will fix? No. • Same with roofer, same with AC contractor. • Well in Florida, the Mold Remediator is State Licensed. • Beyond pointing out where to remediate and that the remediation should be performed by a State Licensed Remediator, why should amold protocol tell the Mold Remediator how to do their job? • It should not. Copyright© 2024 by Gary Rosen, PhD. & National Association of Environmentally Responsible Mold Contractors 6 A Protocol Is Not About Guessing Some Mold Assessor protocols try to tell a remediator to cut 2’ here and cut 3’ there. But one can only know the true extent of the hidden mold once the drywall, cabinets, toe kicks or baseboards are removed… during remediation. The Assessor’s protocol should recommend that once remediation starts and walls are open: Remediate/remove to the extent needed to “restore to as new”. Let the remediator determine how much to remove when he opens the walls. Copyright© 2024 by Gary Rosen, PhD. & National Association of Environmentally Responsible Mold Contractors 7 Mold Remediation is Mold Removal. Not Just Killing • Both EPA/OSHA (Federal mold guidelines) and IICRC S520 (Industry proposed mold guidelines) agree

FAQs

Why can’t a mold assessor determine the full extent of hidden mold before walls are opened?

Hidden mold inside walls, ceilings, or behind cabinets/baseboards cannot be reliably assessed until remediation opens the assemblies. The protocol should point to likely problem locations rather than claim the complete extent.

What should a mold remediation protocol recommend regarding how much to remove?

The protocol should recommend selecting a licensed and insured remediator and should direct remediation/removal only to the extent needed to restore to “as new.” The remediator should determine the necessary removal once walls are opened during remediation.

How does the document define mold remediation?

Mold remediation is defined as mold removal, not simply killing mold with chemicals/biocides that leave residues. It includes surface and air cleaning, demolition of contaminated materials, and oxidation using strong oxidizers that do not leave toxic residue, aiming for safe restoration without cross-contamination.

Sep 30, 2026

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