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 refence dose (chRD) (mg/kg-day, unless noted): |
3.3E-5
|
|---|---|
| Last chRD revision: |
12/2005
|
| chRD Comments: |
| 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 |
| 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
| Cancer: |
Currently listed
|
|---|
| Listed as causing: |
Cancer
|
|---|---|
| Date of Listing: |
07/01/1988
|
| Basis for Listing: |
State's Qualified Experts
|
| Cancer | |
| No Significant Risk Level (NSRL): |
0.5 µg/day
|
|---|
Water
| Health Risk Category: |
Carcinogenicity
|
|---|---|
| Public Health Goal (mg/L): |
0.00003
|
| Public Health Goal - Download: | |
| 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. |
