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Standard Interpretations - Table of Contents
• Standard Number: 1910.95(g)(8)(i)

June 25, 1986

Mr. Darrell K. Mattheis
National Place, Suite 911
1331 Pennsylvania Avenue, N.W.
Washington, D.C. 20004

Dear Mr. Mattheis:

This is in response to your letter of October 7, asking for clarification of the time period given in the Hearing Conservation Amendment for notifying employees of a standard threshold shift (STS) in their hearing ability. Please accept my apology for the delay in response.

Employees must be notified of their STS within 21 calendar days from the date that the determination is made that their audiometric test showed the STS.

If we may be of future assistance, please feel free to contact us again.

Sincerely,

John B. Miles, Jr.,
Director
Directorate of Field Operations

October 7, 1985

Mr. John B. Miles
Director of the Directorate of
Field Operations
U.S. Department of Labor - OSHA
Room N-3603
Washington, D.C. 20210

Dear John:

Recently I have received a number of questions concerning OSHA's Hearing Conservation Amendment. Some organizations are concerned about OSHA's interpretation of the time period allowed after an audiometric test, before an employee must be notified of the existence of a Standard Threshold Shift (STS).

The standard says that: "If a comparison of the annual audiogram to the baseline audiogram indicates a standard threshold shift as defined in paragraph (g)(10) of this section has occurred, the employee shall be informed of this fact in writing, within 21 days of the determination."

The questioners want to know whether the 21 day period begins the day the audiogram was taken? 21 days from the time the company receives the results of the test from the testing service? Or 21 days from the time the company makes its determination that a STS has occurred, (after having received test results)? Finally, are the 21 days, working of calendar days?

Any assistance that you can give me on these questions will be appreciated!

Sincerely,

Darrell K. Mattheis


Standard Interpretations - Table of Contents

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