For example, some products should never be dumped into the drain or sewer. Let's look at the labels and MSDSs for some products we use on the job. Show the crew the sample product containers and MSDSs you brought to the meeting. Explain them briefly. Use a safer product if possible.
Some products are much less hazardous than others.
Work in a well-ventilated area if you can. A fan or open door may not be enough. If you're working outdoors, try to stay upwind from paint and solvent vapors. Stop what you're doing if you notice symptoms. Use a respirator.