Each time you use your sound level meter, it should be calibrated using an acoustic calibrator. This can help you ensure that your instrument is measuring correctly and that you are complying with the requirements of any...

Fit-testing has changed over the years. For a while, there was only one accepted technology and method for testing the fit of masks. Those processes have changed (for the better) as we provide an OSHA and ISO-approved method...

When making measurements to estimate the noise exposure of a person at work, you need to ascertain the equivalent continuous A-weighted sound pressure level (LAeq) that represents the noise the person is exposed to during the...

If your organization is like most, you rarely conduct a one-off fit test. Instead, you block out several days/weeks out of the year to test every respirator, every required employee in your organization. Efficient testing is...

Here at OHD, we strive to provide exceptional customer service for you and your employees. Whether it be fit testing, noise monitoring programs or any of our other safety products, we have deemed it our goal to inform, guide and...