HSCI 20200 Lecture Notes - Lecture 18: Occupational Exposure Limit, National Fire Protection Association, Occupational Safety And Health
27 Oct 2016
School
Department
Course
Professor
Document Summary
Environmental, occupational, and radiological health sciences (hsci 20200) Topics: regulation, how do we set up exposure limit, how does the regulation be set up, why do we need regulation, regulation for occupational health, guidelines, standards and limits. Osha: united states department of labor occupational safety and health. Standards for workplaces: occupational safety and health act of 1970, exposure standards: Based on the latest available scientific data and feasibility. Objective criteria and desired performance: code of federal regulations, osha general duty clause, standard-setting organizations: Dose amount of agent taken up: dose-response relationship, threshold concept, concentration-time relationship. Occupational exposure limits (oels: pel permissible exposure limit. Government-mandated air concentration: tlv threshold limit value. Science-based recommended limit: idlh immediately dangerous to life and health. Dose the amount of a pollutant taken up by a host/receptor based on: Concentration, time of exposure, route of entry, breathing rate, retention rate in body systems, and metabolism. Routes of entry: inhalation, ingestion, injection, and absorption.
