Basic STS Calculator

Welcome to the STS calculator by Smart Diagnostic Devices! Calculate whether or not your subject has a standard threshold shift (STS) as defined by OSHA by filling in your subject’s baseline audiometric thresholds and their latest audiometric thresholds.* Note: This calculator does not take age correction into account.

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*Disclaimer: This website is a tool that can be used to determine if a subject has a standard threshold shift as defined by OSHA 1910.95(g)(10)(i). This calculator does not take age correction into account. Smart Diagnostic Devices is not responsible if calculations are inaccurate in any way. All users of this tool are responsible to ensure that all calculations are accurate based on what they need.

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