Bob Selwyn is U.S. vice president of sales and marketing for Casella USA. He joined CEL Instruments Ltd. in 1978 as Northern England area sales engineer. In 1985, he was promoted to UK sales manager and, in 1993, to product manager for CEL until the Casella Group bought CEL Instruments in 1998. He transferred to the U.S. in 2001.

Measuring noise impacts has come a long way since the ’60s

Not your father’s dosimeters

Bob Selwyn

February 16, 2018

The following is a brief history and usage of personal noise dosimeters.

Sound advice: Overcoming noise dosimetry perils and pitfalls

Bob Selwyn

October 2, 2017

Designs of noise dosimeters have evolved over the years from instruments that used to be worn on the belt with a cable microphone on the shoulder to now where the whole instrument is small enough to be worn on the shoulder during the shift.

How loud is it?

Bob Selwyn

November 6, 2009

Determining noise severity requires taking regular measurements with professional-grade instruments to assess whether workers are being exposed to too much noise.

Hot and Sweaty

Bob Selwyn

May 8, 2009

High temperatures and humidity challenge the body’s ability to control its internal temperature, and workers involved in strenuous activity and/or wearing hot protective clothing are at serious risk of the sometime fatal condition of heat stroke.

Keeping an eye on noise exposure

Bob Selwyn

October 1, 2007

Careful design and use of the latest digital signal processing technology ensures that all of the noise readings currently in wide use are still available in badge style dosimeters being introduced to the industrial hygiene market.

In this webinar you’ll learn about eye & face standards and regulations, hazards associated with fogging eyewear, how to combat it, and different types of safety solutions.

Attendees will gain a thorough understanding of the regulations, standards and program implementation “best practices”, including detailed information on layering for arc flash protection.

ISHN Magazine

2020 August

Among the articles in the August 2020 issue of ISHN Magazine, we have information on creating a spill response plan, reopening workplaces amid COVID-19, advice on choosing EHS software, tips on caring for FR clothing, and much more.

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