Table 3 Average concentration of freon 12 and 22 in workshop of refrigeration workers:
From: Cardiotoxicity of Freon among refrigeration services workers: comparative cross-sectional study
Average concentration of freon 12 and 22 in the refrigeration services workshop | The corresponding Threshold limit value (TLV)mg/m3 |
|---|---|
Freon 12 5720 mg/m3 ± 580 | 4950 mg/m3 |
Freon 22 4310 mg/m3 ± 420 | 3540 mg/m3 |