Chlordane
CAS Number
57-74-9Synonym
1,2,4,5,6,7,8,9-Octachloro-4,7-methano-3a,4,7,7a-tetrahydroindane; Chlorindan; Chlor Kil; Corodan; Dowchlor; Kypchlor; M 140; NCI-C00099; Niran; Octachlorodihydrodicyclopentadiene; Octa-Klor; Oktaterr; Synklor; Topiclor; Toxichlor; Velsicol 1068; EPA Pesticide Code: 058201; CAS 12789-03-6 (technical grade chlordane)
Occurrence/Use
Insecticide; fumigant. Use banned in the US in 1988.
Child-Specific Reference Dose
| Child-specific refence dose (chRD) (mg/kg-day, unless noted): | 3.3E-5 |
|---|---|
| Last chRD revision: | 12/2005 |
| chRD Comments: |
Soil Screening
| Last CHHSL revision: | 1/2005 |
|---|---|
| CHHSL Comments: |
For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm |
Cancer Potency Information
| Latest Criteria: | California Public Health Goals |
|---|---|
| Inhalation Unit Risk (μg/cubic meter)-1: | 3.4 E-4 |
| Inhalation Slope Factor (mg/kg-day)-1: | 1.2 E+0 |
| Oral Slope Factor (mg/kg-day)-1: | 1.3 E+0 |
| Comments/References: |
OEHHA 1997. Public Health Goal for Chlordane in Drinking Water. Note: Adopt US EPA value. Geometric mean. LMS. Surface area scaling.
OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens. Note: For Proposition 65, the number adopted in regulations for both routes of exposure is 1.3 (mg/kg day)^-1. |
Proposition 65
Chemical Status
| Cancer: | Currently listed |
|---|
Cancer
Cancer - Listing Mechanism
State's Qualified Experts
| Listed as causing : | Listed as causing: Cancer |
|---|---|
| Date of Listing: |
Safe Harbor Levels
No Significant Risk Level (NSRL)
0.5 µg/day
| Cancer |
Water
California Public Health Goals Data
| Health Risk Category: | Carcinogenicity |
|---|---|
| Public Health Goal (mg/L): | 0.00003 |
| Public Health Goal - Download: | 122206chlordane.pdf |
| Cancer Risk at PHG: | 0.000001 |
| MCL value (mg/L): | 0.0001 |
| Cancer Risk at MCL: | 0.000003 |
| Last PHG Revision : | 12/01/2006 |
| California PHG Comments: |
Value established in 1997; reviewed in 2006 without change. |