OHST Practice Questions - Occupational Hygiene And Safety Technician (OHST) Exam

A safety technician measures a chemical concentration of 250 ppm. What does "ppm" stand for?

Parts per million Percent per milliliter Pressure per minute Particles per meter

Correct Answer:

Parts per million

Access more questions from this quiz

Continue to OHST Practice Questions - Occupational Hygiene and Safety Technician (OHST) Exam for more practice questions and the full quiz experience.

Access More Questions