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...

It is respirator fit-testing season. You have only a few days to test several hundred employees and their equipment. You are pulling essential personnel out of the field and inefficiencies in your testing process are expensive....

Anyone performing a US Department of Transportation (DOT) mandated breath alcohol test must be trained as a Breath Alcohol Technician (BAT) and individuals performing non-DOT regulated testing are encouraged to do the same. The...