Olf-Actions International

06/02/2026

🇺🇸 𝙂𝙤𝙫𝙚𝙧𝙣𝙢𝙚𝙣𝙩𝙖𝙡 𝙊𝘿𝙊𝙍 𝙇𝙖𝙬 𝙛𝙤𝙧 𝙩𝙝𝙚 𝙐𝙣𝙞𝙩𝙚𝙙 𝙎𝙩𝙖𝙩𝙚𝙨
A single citizen complaint can trigger a regulatory inquiry within weeks. That inquiry can expose statutory gaps. Those gaps can become class actions filed against the state itself for failure to regulate.

Olf-Actions International introduces GORSS®, Governmental Odor Regulatory Sectoral Solutions, engineered for U.S. state and federal authorities and adaptable internationally. It transforms complaint-driven crisis into evidence-based governance.

Six sequential mandates, three plain goals:
🟠 DIAGNOSE | sectoral audit and AERMOD regional impact study per 40 CFR Part 51 Appendix W
🟠 DRAFT | bespoke statutes patterned on proven state frameworks, with full Regulatory Impact Analysis
🟠 DEFEND | enforcement-grade olfactometric protocols and FRE 702 litigation defense

Independent. Vendor-neutral. Daubert-qualified across federal courts and 44 states.

DIAGNOSE | DRAFT | DEFEND | The complete answer to governmental odor law.
Engage one mandate, several, or the full program. Request a state-level briefing below.
🇺🇸 GORSS® Program | www.Olf-Actions.com/gorss
🟠 GORSS® Showcase | https://lnkd.in/eJDzdeCi
🟠 WORLD of ODORS© Nose-Letter | https://lnkd.in/eDT6juUi
Connect | https://lnkd.in/eNcC_7wb
Yann H. Contratto, P.E., M.E. | Founder & CEO | Olf-Actions International Inc. | [email protected] | +1 514 758 3974 | www.Olf-Actions.com
LEGAL | TECHNICAL | SCIENTIFIC | ENGINEERING | ODOR EXPERTS

06/01/2026

🇺🇸 𝙒𝙝𝙚𝙣 𝙊𝙙𝙤𝙧 𝘽𝙚𝙘𝙤𝙢𝙚𝙨 𝙖 𝙇𝙖𝙬𝙨𝙪𝙞𝙩 🍃 When a cannabis ODOR complaint becomes a class action, who stands in the witness box for you? GROW® brings independent, court qualified odor expertise to the cannabis industry. Our credibility rests on measurable science that holds up to legal scrutiny. We do not sell instruments. We defend operators.

A defensible position, built in three steps:
🟢 MEASURE | EN13725:2022 olfactometry and AERMOD modeling
🟢 ENGINEER | documented mitigation that regulators accept
🟢 DEFEND | public hearings, expert testimony, and litigation strategy support
Swipe through to see how GROW® turns measurement into a defensible legal position.

MEASURE | ENGINEER | DEFEND | The complete answer to cannabis ODOR conflicts. 🇺🇸 GROW® Program | https://www.Olf-Actions.com/grow 🍃 WORLD of ODORS© Newsletter | https://www.linkedin.com/pulse/cannabis-7-years-later-from-early-intuition-realities-contratto-p7jfe 🟢 GROW® Showcase | https://www.linkedin.com/showcase/cannabis-odor/
LEGAL | TECHNICAL | SCIENTIFIC | ENGINEERING | ODOR EXPERTS

05/26/2026

🇫🇷 LANCEMENT OFFICIEL 🇺🇸 OFFICIAL LAUNCH
🔻 Today, Olf-Actions International releases three certified programs for systemic odor management — engineered for the three audiences that shape every odor dispute in North America. Among them:

🔻 ISOMP® | Industrial Systemic Odor Management Program — 12+ mandates for industrial operators facing class actions, regulatory pressure, and reputational risk.

🔻 Twelve to Twenty-eight mandates in Three programs. One uncompromising standard of scientific rigor, regulatory defensibility, and legal resilience.

🇺🇸 À chaque audience, sa méthode. À chaque mandat, le même standard. 🇫🇷
🇺🇸 OLF-ACTIONS INTERNATIONAL 🇺🇸 LEGAL | TECHNICAL | SCIENTIFIC | ENGINEERING | ODOR EXPERTS
🇺🇸 Delivered across America 🇺🇸 One mandate at a time 🇺🇸 www.Olf-Actions.com/legal

05/20/2026

🇫🇷 LA FIN D'UNE ÈRE 🇺🇸 THE END OF AN ERA
🔻 FOR FORTY YEARS, AMERICAN OPERATORS HAVE LIVED WITH ODOR SCIENCE THAT BELONGS TO ANOTHER ERA. THAT ERA IS CLOSING.

🔻 While inspectors walk public sidewalks holding plastic-and-rubber field devices, our team deploys sealed dynamic sampling under continuous meteorological monitoring. While outdated dilution-to-threshold readings are reported as defensible measurement, our laboratories deliver certified EN13725:2022 olfactometry with documented panel calibration and GC-MS chemical confirmation. While entire industries are regulated, fined, and litigated on the basis of figures that do not meet the basic requirements of modern olfactometric and atmospheric science, our Lagrangian and AERMOD dispersion modeling, validated over more than five years of hourly meteorological data, withstands regulatory review, peer scrutiny, and judicial cross-examination.

🔻 Cannabis cultivation | Rendering | Pulp & paper | Wastewater treatment | Landfilling | Composting | Pet food. The American operator deserves measurement that is precise, reproducible, and defensible. Today, that operator is rarely getting it.

🔻 Olf-Actions International | the only firm in North America combining certified olfactometry, atmospheric dispersion modeling, engineering mitigation design, and senior legal expert witness testimony in a single integrated mandate. 130+ legal cases. 19 global class actions. All successfully defended.

🔻 Old era walked sidewalks. New era engineers the truth. Evidence in the courtroom.

🇺🇸 Là où les autres improvisent, nous établissons la preuve. 🇫🇷
OLF-ACTIONS INTERNATIONAL | LEGAL | TECHNICAL | SCIENTIFIC | ENGINEERING | ODOR EXPERTS
🇺🇸 Delivered across America 🇺🇸 | www.Olf-Actions.com

05/17/2026

🇫🇷 AVOIR LA TÊTE DANS LES NUAGES
🇺🇸 THEY SAID HE HAD HIS HEAD IN THE CLOUDS

🔻 HE DID. AT 87 METERS. SAMPLING STACK EFFLUENT PER EN13725:2022. 🔻
While philosophers contemplate the sky, our engineers measure it.
While poets write about the wind, our technicians capture it in Nalophane.
While communities wonder what they are breathing, we deliver the answer.
In a courtroom. In a regulatory filing. In a board presentation.
🔻 Olf-Actions International | the only firm in North America combining certified olfactometry, atmospheric dispersion modeling, and senior legal expert witness testimony in a single integrated mandate. 🔻
Head in the clouds. Feet on the science. Evidence in the courtroom.
🇫🇷 Là où les autres rêvent, nous mesurons. 🇫🇷

OLF-ACTIONS INTERNATIONAL | LEGAL | TECHNICAL | SCIENTIFIC | ENGINEERING | ODOR EXPERTS
🇺🇸 Delivered across America 🇺🇸 | www.Olf-Actions.com

05/13/2026

🔴 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗔𝗟 𝗢𝗗𝗢𝗥𝗦 𝗔𝗥𝗘 𝗗𝗘𝗙𝗘𝗡𝗦𝗜𝗕𝗟𝗘. 𝗪𝗘 𝗣𝗥𝗢𝗩𝗘 𝗜𝗧 𝗘𝗩𝗘𝗥𝗬 𝗗𝗔𝗬.

For over 30 years, Olf-Actions International has resolved odor crises affecting more than 10 million people worldwide.

🇺🇸 Cannabis cultivation. Landfills. Wastewater plants. Rendering facilities. Pulp & paper mills. Pharmaceutical sites.

We are the only firm combining:

🔴 𝘎𝘦𝘯𝘶𝘪𝘯𝘦𝘭𝘺 𝘈𝘍𝘕𝘖𝘙 𝘌𝘕13725:2022-𝘤𝘦𝘳𝘵𝘪𝘧𝘪𝘦𝘥 𝘰𝘭𝘧𝘢𝘤𝘵𝘰𝘮𝘦𝘵𝘳𝘺
🔴 𝘈𝘵𝘮𝘰𝘴𝘱𝘩𝘦𝘳𝘪𝘤 𝘥𝘪𝘴𝘱𝘦𝘳𝘴𝘪𝘰𝘯 𝘮𝘰𝘥𝘦𝘭𝘪𝘯𝘨
🔴 𝘌𝘯𝘨𝘪𝘯𝘦𝘦𝘳𝘪𝘯𝘨 𝘥𝘦𝘴𝘪𝘨𝘯
🔴 𝘊𝘰𝘶𝘳𝘵𝘳𝘰𝘰𝘮-𝘳𝘦𝘢𝘥𝘺 𝘭𝘦𝘨𝘢𝘭 𝘦𝘹𝘱𝘦𝘳𝘵𝘪𝘴𝘦

130+ legal cases. 19 class actions won. 100% independent. Zero conflict of interest.

Watch our complete methodology video and discover why U.S. cities, industries, and law firms call Olf-Actions when odor becomes a crisis.

👁️ Watch, comment, and share if you know someone facing odor challenges.

🔴 www.Olf-Actions.com | [email protected] | +1 514 758 3974

05/02/2026

Wishing you strong momentum, clear direction, and continued success across all your projects.
At Olf-Actions International, we support industries and cities in resolving complex odor challenges through proven engineering, scientific, and legal expertise.

30+ years of experience | 5000+ odor studies | 130+ legal cases | 19 class actions successfully resolved

04/23/2026

Celebrating Earth Day 🌎

Today is a reminder that environmental responsibility is not a statement, it’s a commitment.
Across every industry, managing impacts such as air quality and odor is part of building sustainable, livable environments for the communities we operate in.

Wishing all our clients, partners, friends and colleagues a meaningful Earth Day.

Olf-Actions International
www.Olf-Actions.com

04/22/2026

Industrial cannabis is scaling fast. Odor control isn’t.

After nearly a decade of rapid growth, one issue keeps surfacing—odor complaints. And more often than not, they don’t stay complaints for long.
In this new edition of WORLD OF ODORS, We share a field-based perspective on why cannabis-related odor impacts are still underestimated—and how they can be properly measured, modeled, and controlled.

Because in this industry, odor is rarely a secondary issue.
It’s usually the first real signal of a problem.

👉 Follow WORLD OF ODORS for more insights on industrial odor management.

A little over seven years ago, Olf-Actions International published its first series of articles addressing the emergence of a new industrial vertical and its odor-related environmental impacts: the cannabis industry and its derivative products. At the time, public debate was almost entirely focused

03/27/2026