Boron and Compounds

CASRN 7440-42-8

Health Hazard Assessments for Effects Other than Cancer


Reference Dose for Oral Exposure (RfD) (PDF) (30 pp, 193 K) last updated: 08/05/2004

RfD (mg/kg-day) System Basis PoD Composite UF Confidence
2 x10-1 Developmental Decreased fetal weight (developmental) BMDL05 : 10.3
mg/kg-day
66 High

Reference Concentration for Inhalation Exposure (RfC) (PDF) (30 pp, 193 K) last updated: 08/05/2004
Information reviewed but value not estimated.

Cancer Assessment


Weight of Evidence for Cancer (PDF) (30 pp, 193 K) last updated: 08/05/2004

WOE Characterization Framework for WOE Characterization
Data are inadequate for an assessment of human carcinogenic potential (Oral route) Revised Draft Guidelines for Carcinogen Risk Assessment (US EPA, 1999)
Basis:
  • Under the Draft Revised Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1999), data are inadequate for an assessment of human carcinogenic potential for boron.
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (30 pp, 193 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (30 pp, 193 K)

Not assessed under the IRIS Program.

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