Table 19.
Molybdenum thresholds [61].
| Compartment | Agency | Description | Limits |
|---|---|---|---|
| Air | WHO | Air Quality Guidelines | No data |
| NIOSH | Dangerous limits for insoluble molybdenum which causes death or delayed adverse effects | 5,000 mg/m3 | |
| NISOH | Dangerous limits for soluble molybdenum which causes death or delayed adverse effects | 1,000 mg/m3 | |
| Workplace Air | OSHA | Legal limit over an 8-hour workday of soluble molybdenum dust in the air | 5 mg/m3 |
| OSHA | Legal limit over an 8-hour workday of insoluble molybdenum dust in the air | 15 mg/m3 | |
| NIOSH | Legal limit over a 10-hour workday of molybdenum dust in the air | No data | |
| Drinking-Water | WHO | Drinking water threshold | No data |
| EPA | Drinking water threshold | 0.08 mg/L |