Employee's Right-to-Know


To report a chemical emergency call: 5555 immediately.

To make a "Right-to-Know" inquiry about substances in your workplace: call extension 5700.

All employees are entitled to:

  • Know of the listed toxic substances present in the workplace.
  • Obtain a Material Safety Data Sheet (MSDS) for each listed toxic substance present in the workplace.

    Click here for Material Safety Data Sheets on-line.

  • Receive instructions, within 30 days of employment and at least annually thereafter, on the adverse health effects of such listed toxic substances with which they work in the workplace, how to use each substance safely, and what to do in case of emergency.
  • Refuse to work, under specified circumstances, with a listed toxic substance, if not provided a copy of the MSDS for that substance within five working days after submitting a written request to his/her employer.
  • Protection against discharge, discipline, or discrimination for having exercised any of the above rights.

Employers' Instructional Requirements

  • Employers are required to provide their employees with instructions, either written or in training sessions, which include the following:
  • The chemical and common names of listed substances found in the workplace.
  • The location of the substance in the workplace.
  • Proper and safe handling practices.
  • First aid treatment and antidotes in case of overexposure.
  • The adverse health effect of the substances.
  • Appropriate emergency procedures.
  • Proper procedures for clean-up of leaks and spills.
  • The potential for flammability, explosion and reactivity.
  • The rights of employees under the Right-to-Know Law.

A Material Safety Data Sheet (MSDS) is a document containing standardized information about the properties and the hazards of listed toxic substances. Manufacturers, importers, and distributors of listed toxic substances are required to prepare and furnish MSDS to their direct purchasers. Employers are required to compile a file of MSDS on listed toxic substances used in their workplace.


This page last updated - 04/10/07
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