Personal breathing zone sample3/19/2023 ![]() Solvents typically release a vapor that can be harmful if inhaled in enough quantity.Ĭoncentration of gases, particulates and vapors are expressed in parts per million (PPM) or milligrams per cubic meter of air mg/m 3) of micrograms per cubic meter (µg/m 3). As a part of your job, you are required to clean your work with a solvent to remove contaminants.Crystalline silica, a component of sand, is a particulate where you would need to know the concentration. ![]()
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