time-weighted average

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time-weighted average [¦tīm ‚wād·əd ′av·rij]

(science technology)

The average exposure to a contaminant or condition (such as noise) to which workers may be exposed without adverse effect over a period such as in an 8-hour day or 40-hour week. Abbreviated TWA.

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No references found			3] 8 hour time-weighted average recommendation, appropriate hazard communication programs are important. Industry questions IARC's choice of studies by Festa, John / Wood & Wood Products ISEA asked OSHA to reduce the PEL to 85 dBA for an 8-hour, time-weighted average (TWA), consistent with the hearing-conservation requirement. ISEA Petitions OSHA to Improve Hearing Protection Regulations by Business Wire			Time-Lapse Photography time-mark generator time-motion study time-multiplexing time-of-day clock time-of-day server time-of-flight mass spectrometer time-of-flight spectrometer time-out time-projection chamber time-pulse distributor Time-Pulse Transmitter time-resolved laser spectroscopy time-reversal invariance time-reversal reflection time-reversal test time-rock unit time-series analysis time-share time-shared amplifier time-sharing time-stratigraphic facies time-stratigraphic unit time-transgressive time-varying system time-weighted average timelike path timelike surface timelike vector timely completion timeout Timer timer clock timer interrupt Timerevo Kurgans Timerman, Jacobo Times Literary Supplement Times of India times sign Times Square Times, the times-or-divided-by timesharing timeshifting timestamp Timgad Timidity timing timing belt timing circuit Timing Device			Time-Varying Frequency Estimation Time-Varying Image Processing Time-Varying Impulse Response Time-Varying Magnetic Field Time-Varying Maximum Transition Runlength Time-Varying Molecular Architecture Time-Varying Multiple Access Channel Time-Varying Pade Time-Varying Radio Channel Time-Varying Rayleigh Fading Time-Varying Setpoint Time-Varying State Splitting time-varying system Time-Varying Transition Probabilities Time-Varying Volume Data Time-warner cable Time-Warner Communications Time-Warner, San Diego Time-Warped Polynomial Filter time-waster time-wasters Time-wasting Time-Wavelength-Space Router Time-Weighted Authority time-weighted average time-weighted average concentration Time-Weighted Average Month's Program Time-weighted average price Time-Weighted Average Return Time-Weighted Average Return Time-Weighted Average Return Time-weighted rate of return Time-weighted rate of return time-weighted return time-weighted return Time-Window Control Loop time-worn Time-Zero Dielectric Breakdown Time-Zero Estimation System Time-zone Time-zone Time-Zone Arbitrage Time/Attendance Time/Bearing Display Time/Code Distribution Time/Data Word Time/Date Adjust time/dose Time/Event-Phased Security Classification Guide Time/Frequency Dissemination Time/Warner Retail Sales and Marketing TIMEA Timeball Timeball Station

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