Course Textbook APA Citation:
Plog, B. A., & Quinlan, P. (2012). Fundamentals of industrial hygiene (6th ed.). Itasca, IL: National Safety Council.
Unit 1 Essay #1.
Consider and describe how an industrial hygienist uses an occupational exposure limit such as the threshold limit value (TLV) to determine if a workers exposure is at an acceptable level or not.