| TLV-TWA | Threshold Limit Value-Time Weighted Average ; 1 일 8 시간 주 40시간(미국), 주 48시간(한국, 일본)을 기... |
|---|---|
| WNL | Within Normal Limit(?) |
| ADL | activities of daily living; Amsterdam Depression List; annual dose limit |
| ALI | acute lung injury; annual limit of intake; average lobe index |
| BLL | below lower limit |