What does TLV-TEL represent?

What does TLV-TEL represent?

• A. The 8-hour time weighted average exposure limit.
• B. The maximum vapor concentration that may never be exceeded.
• C. The concentration to which workers can be exposed continuously for a short period of time (15 minutes, weighted average), provided the daily TLV is also not exceeded.
• D. The airborne concentration that workers can be exposed to continuously for a full work shift.

Answer: (C)