Product related values

OEL

STEL

LTEL

ADI

OEB

Occupational Exposure Limit

Short Term Exposure Limit 

Long Term Exposure Limit 

Acceptable Daily Intake 

Occupational Exposure Bands

Equipment related values

TWA

LT TWA

ST TWA

Time Weighted Average

Long Term Time Weighted Average (8 hours)

Short Term Time Weighted Average (15 min)

Operator related values

ROI

RDI

Real Operator Intake

Real Daily Intake