Category: Health and Safety

Duct cleaning in HVAC systems

Below are some freely adapted excerpts from ACR, The NADCA Standard (National Air Duct Cleaners Association) for the assessment, cleaning and restoration of HVAC systems (heating, ventilation and air conditioning). The latest edition of the standard can be accessed at the following web address: http://acrstandard.nadca.com/ This standard should be regarded as a technical reference and […]

Airflow visualization for contamination control

Airflow visualization in clean environments is a practice prescribed by ISO 14644-3 among the control methods for cleanrooms. Methods for airflow visualization ISO 14644 provides that, to visualise airflow, several methods can be used, leading to both qualitative and quantitative assessments. Among the methods described are: tracer threads made of wool or similar, suitably positioned […]

Ergonomics in Safety Communication: Making PPE Instructions Truly Usable

When we talk about Safety – especially about machine safety devices or PPE – the term ergonomics often comes up. We use it to describe the features an object must have in order to adapt to the human body and to the way people actually use it. And when, unfortunately, a workplace accident occurs despite […]

Nitrile gloves, latex gloves, and vinyl gloves: differences

Nitrile, latex and vinyl are the three most common materials used to manufacture disposable gloves. Latex gloves Latex gloves, made of natural rubber, are produced from the milky fluid tapped from the bark of the rubber tree (Hevea brasiliensis), a plant native to the Amazon that is now extensively cultivated in Malaysia, Indonesia, India, Vietnam […]

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