A professional who analyzes samples of air in industrial establishments or other work areas to determine amount of suspended foreign particles and effectiveness of control methods, using dust collectors. Responsibilities include:

• Starts dust collector apparatus that draws air through machine and precipitates dust on tubes, plates, electrodes, or in flasks.
• Weighs or otherwise determines amount of collected particles, such as lead, rock, or coal dust.
• Compares weight or count of particles with volume of air passed through machine, and computes percentage of concentration per cubic foot of air tested, using mathematical and chemical formulas.
• Prepares summary of findings for submission to appropriate department.
• May recommend remedial measures.