This document is a guide to making a portable device which can be used to monitor the air, in terms of PM2.5.

These tiny particles can come from a variety of sources and could be harmful. This device will indicate when the relative number of particulates in the air is high.  It could be used to monitor the air in a workshop.

This guide explains how to monitor the air quality in a D&T space, to help to ensure that users avoid breathing in dust and fumes.

Controlling the dust from hand sanding and machine operations.Operations such as checking dust control equipment and emptying dust bags are also covered.

Controlling dust in the variety of operations likely in a construction activity.