Most Popular Links
- Art and Crafts Hazards List
- Cal/Ecotox Database
- Decisions Pending and Opportunities for Public Participation
- Hot Spots
- Press Releases
- Proposition 65 List of Chemicals
- Public Health Goals
- Public Records Act Requests
- Soil Screening Values
- Toxicity Criteria Database
Listservs
contact OEHHA
more resources
- Air Pollution and Children's Health
- Child-Specific Reference Doses (chRDs)
- Children's Health Resources from the Toxics Directory
- East Bay Children's Respiratory Health Study
- Risk Assessment for Kids
resources for kids and educators
- CEEIN
- Disney's Environmentality Challenge
- Education LInks
- Guidelines for Safe Use of Art and Craft Materials
- Green California Schools Summit
- Internet Atlas
- Ratatouille and Energy
- Roseville Utility Exploration Center
- Sally Ride Science Festivals
Children's Health at OEHHA
Table of all child-chRDs Finalized to Date
updated [06/22/09]
Chemical |
chRD (mg/kg-day) or other health guidance value |
| Atrazine | 6 x 10-3 |
| Cadmium | 1.1 x 10-5 |
| Chlordane | 3.3 x 10-5 |
| Chlorpyrifos | 1.0 x 10-4 |
| Deltamethrin | 1 x 10-4 |
| Heptachlor | 3.0 x 10-5 |
| Heptachlor epoxide | 1.3 x 10-5 |
| Lead | 1.0 µg/dL blood* |
| Manganese | 3 x 10-2 |
| Methoxychlor | 2.0 x 10-5 |
| Nickel | 1.1 x 10-2 |
| Pentachlorophenol | 1 x 10-3 |
* The benchmark for lead is a source-specific 1 ug/dL increase in blood lead.

