Health Effects Assessment Summary (HEAST) for
Boron, Elemental
CAS: 007440-42-8
| Summary of HEAST Information on-Line | ||||||||
| Subchronic and Chronic Toxicity | ||||||||
|
| Chronic [RfC]: (see comment) |
2E-2 mg/cu m | |||
| Uncertainty Factor: | 100 | |||
| Subchronic [RfC]: (see comment) |
2E-2 mg/cu m | |||
| Uncertainty Factor: | 100 | |||
| Route: | Inhalation: intermittent | |||
| Target Organ / Critical Effect: | Respiratory tract / Irritation | |||
| Bronchus / Bronchitis | ||||
| Species | Effect Level | Dose | ||
| Human | LOAEL | 4.5 mg/cu m | ||
| References | ||||
| 1985 | Garabrant D.H., L. Bernstein, J.M. Peters et al. 1985. Respiratory effects of Borax dust. Br J Ind Med. 42: 831-837. | |||
| 1991 | U.S. EPA. 1991. Health and environmental effects document for Boron and Boron Compounds. Prepared by the Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincinnati, OH, for the Office of Solid Waste and Emergency Response, Washington, DC | |||
| Subchronic [RfC] Comments: | The subchronic inhalation [RfC] is specifically for anhydrous Borax. | |||
| Chronic [RfC] Comments: | The chronic inhalation [RfC] is specifically for anhydrous Borax. | |||
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