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Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm

OHD

OHD specializes in the instrumentation and software to help protect your employees’ health and manage occupational risks.

OHD is the manufacturer of the QuantiFit2 - the fastest and most accurate fit testing device on the market. Occupational Health Dynamics offers a range of products and services to help you protect your employees and manage your occupational risks. Whether you are looking for The QuantiFit2 Respirator Fit Tester, Noise Dosimeters, Audiometer, Vision Screener, Breath Alcohol Instruments, or a Sound Level Meter, we can provide you with a complete solution.

04/06/2026

This week is Occupational Health Nurses Week, a time to recognize the nurses who protect, support, and champion worker health across all the industries they serve.

Through prevention, education, and compassionate care, their work helps people stay healthy on the job and beyond.

Thank you for the incredible care, expertise, and dedication you bring to workplaces every day. 👏

03/25/2026

Today’s the day!

We’re live at 1 PM CT for a real conversation about the challenges women face with respirator fit and what it actually takes to achieve proper protection.

If this is something you’ve seen firsthand or struggled with, this is one you’ll want to join.

Can’t make it live? Register anyway, and we’ll send you the recording and slides.

👉 Register now: https://us02web.zoom.us/webinar/register/4317733257395/WN_VLbUwaHeSOacoPKNaDz54g #/registration

03/24/2026

“Shrink it and pink it” was never the solution.

Most respirators are still designed around male facial dimensions, leaving many women cycling through options just to pass a fit test.

Join Stephanie Lynch, PhD, CIH, CSP, and Y. Precious Diaz, MPH, for a candid conversation on what’s changing in respirator design, standards, and fit testing, and what’s actually working to improve fit and protection.

We’ll cover why traditional design falls short (it’s not just about size), what’s evolving across standards, product design, and fit testing approaches, and practical strategies for managing a diverse workforce.

⏰ This is your last chance to register, we’re live tomorrow!

Can’t attend live? Register anyway, and we’ll send you the recording.

👉 Register here: https://us02web.zoom.us/webinar/register/4317733257395/WN_VLbUwaHeSOacoPKNaDz54g #/registration

03/13/2026

At the Ohio Safety Congress & Expo this week, Stephanie Lynch, PhD, CIH, CSP, Regulatory and Standards Director at OHD, presented on “The Global State of Respiratory Protection.”

Her session explored how respiratory protection standards and practices are evolving worldwide, and why robust programs, including proper respirator fit testing, remain essential for protecting today’s workforce.

We’re proud to see OHD contributing to conversations that help safety and industrial hygiene professionals stay informed, compliant, and confident in their respiratory protection programs.

Thank you to everyone who attended and contributed to the conversation!

03/11/2026

We’re excited to be at the Ohio Safety Congress & Expo (OSC26) today in Columbus!

Our Southeastern Regional Sales Manager, Joshua Pilgreen, is on the ground connecting with safety professionals and giving live demos of technologies you can explore at our booth:

- QuantiFit2: our CNP fit testing instrument for elastomeric respirators
- AeroFit: our CNC fit testing solution for both disposable and elastomeric respirators
- Gilian air sampling pumps and calibrators
- SVANTEK noise and vibration monitoring equipment

If you’re attending OSC26, stop by booth #612 and say hello!

03/09/2026

You won’t want to miss this conversation.

Join Stephanie Lynch, PhD, CIH, CSP (OHD's Regulatory and Standards Director) and Y. Precious Diaz, MPH, MPH (University of Alabama at Birmingham) for a candid conversation about the real challenges women face in respiratory protection, and what's actually working to address them.

We’ll discuss:

🔹 Why traditional respirator design falls short for many women (hint: it's not just about size)
🔹 What’s changed in standards, product design, and fit testing approaches
🔹 Practical strategies for safety professionals managing diverse workforces
Whether you're a safety manager, industrial hygienist, or someone who's spent too much time searching for a respirator that actually fits, this session offers both the science and the solutions.

📅 March 25, 2026 | 1:00 PM CT

👉 Reserve your spot: https://us02web.zoom.us/webinar/register/3017726347813/WN_VLbUwaHeSOacoPKNaDz54g #/registration

03/06/2026

Why is respirator fit testing required for some hazardous exposures, but not others that we already know can cause harm?

Across much of Europe, fit testing requirements focus on specific substances like asbestos or crystalline silica, yet workers are exposed to many other inhalation hazards every day.

Our latest blog explores the growing testing gap in European respiratory protection and why a more consistent, risk-based approach deserves attention.

Read the blog here👇
ohdglobal.com/european-respiratory-protection/

03/04/2026

When it comes to respiratory protection, one size has never fit all, but for too long, the industry has acted like it does. Most respirators are still designed around male facial dimensions, leaving many women cycling through multiple models just to find one that passes a fit test.

Join Stephanie Lynch, PhD, CIH, CSP (OHD's Regulatory and Standards Director) and Y. Precious Diaz, MPH, MPH (University of Alabama at Birmingham) for a candid conversation about the real challenges women face in respiratory protection - and what's actually working to address them.
We'll discuss:

🔹 Why traditional respirator design falls short for many women (hint: it's not just about size)
🔹 What's changed in standards, product design, and fit testing approaches
🔹 Practical strategies for safety professionals managing diverse workforces

Whether you're a safety manager, industrial hygienist, or someone who's spent too much time searching for a respirator that actually fits, this session offers both the science and the solutions.

👉 Register now: https://us02web.zoom.us/webinar/register/3017726347813/WN_VLbUwaHeSOacoPKNaDz54g #/registration

03/03/2026

Today is World Hearing Day, a reminder of the importance of protecting our hearing and preventing avoidable hearing loss. 👂

In the workplace, accurate noise and vibration monitoring is essential for identifying risk, supporting compliance efforts, and building effective hearing conservation programs. When you can measure it, you can manage it.

SVANTEK’s sound and vibration meters provide the data safety professionals need to make informed decisions and protect their workforce with confidence.

Learn more about SVANTEK solutions here: https://ohdglobal.com/product/svantek/

03/02/2026

LAST CHANCE TO REGISTER

Tomorrow we are hosting a live webinar as we introduce the Gilian Dustlight Personal Dust Monitor, a wearable instrument that gives workers immediate, visual feedback on dust levels through an intuitive traffic light system.

📅 March 3, 2026
⏰ 1:00 PM CST

Dylan Staack, OHD’s Technical Applications & Partnership Director, will cover:
- Real-world scenarios where seeing exposure in real time changes decisions on the job
- How professionals are using wearable monitoring alongside traditional gravimetric sampling
- What to consider when deploying personal monitors in the field

Whether you’re strengthening a sampling program or exploring proactive dust monitoring, this session will help clarify where real-time visibility fits, and why it matters.

Reserve your seat now.
👉https://us02web.zoom.us/webinar/register/4717701330619/WN_8am9q2ezQuS2WUL95JKIAg #/registration

02/27/2026

That’s a wrap on SICUR 2026 in Madrid!

Our European Business Development Manager, Adam Marczak, joined our partner Casella España S.A. this week as OHD respirator fit testing solutions were showcased at one of Spain’s largest security and safety exhibitions.

SICUR brings together leaders in public and private security, and we’re proud to support organizations focused on strengthening compliance and protecting their workforce.

Missed us at the show? Let’s connect.

02/26/2026

This week, we had the opportunity to attend the CCAI Winter Training Seminar in California.

Dylan Staack, OHD’s Technical Applications & Partnership Director, was on-site connecting with fire investigation professionals and demonstrating the ION Science gas detection technology, along with our AeroFit and QuantiFit2 respirator fit testing instruments.

Thank you to the California Conference of Arson Investigators for the opportunity to connect. We value the conversations and look forward to continuing to support your teams.

Address

2200 Resource Drive
Hoover, AL
35242

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+12059800180

Website

http://www.ohdglobal.com/

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Our Story

OHD offers a range of products and services to help you protect your employees and manage your occupational risks. Whether you are looking for The Quantifit Respirator Fit Tester, The QuantiCheck for the world’s first quantitative user seal check, Noise Dosimeters, Audiometers, Vision Screeners, Breath Alcohol Instruments, or a Sound Level Meters, we can provide you with a complete, personalized solution.

OHD