Short Term Exposure Limit (STEL) 02


Short Term Exposure Limit (STEL) 02 : A 15-minute time-weighted average exposure, which should not be exceeded at any time during a work day even if the eight-hour time-weighted average (TWA) is within the threshold limit value (TLV). Exposure at the STEL should not be repeated more than four times a day, and there should be at least 60 minutes between successive exposures at the STEL
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