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Exposure to heptachlor and heptachlor epoxide happens mostly from eating contaminated foods and milk, or skin contact with contaminated soil. At high levels, they can cause damage to your nervous system. ... This fact sheet answers the most frequently asked health questions (FAQs) about heptachlor and heptachlor epoxide.
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www.atsdr.cdc.gov/tfacts12.html
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Heptachlor is a synthetic chemical that was used in the past for killing insects in homes, buildings, and on food crops. It has not been used for these purposes since 1988. There are no natural sources of heptachlor or heptachlor epoxide. ... Public Health Statement for; Heptachlor and Heptachlor Epoxide;
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www.atsdr.cdc.gov/toxprofiles/phs12.html
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Regulatory Status: Heptachlor is a moderately toxic compound in EPA toxicity class II. In 1988, the EPA canceled all uses of heptachlor in the U.S. Phase out of heptachlor use began in 1978. The only commercial use still permitted is for fire ant control in power transformers.
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extoxnet.orst.edu/pips/heptachl.htm
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What is Heptachlor and how is it used? ... Why is Heptachlor being Regulated? ... How much Heptachlor is produced and released to the environment?
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www.epa.gov/OGWDW/contaminants/dw_contamfs/heptachl.htm...
www.epa.gov/OGWDW/contaminants/dw_contamfs/heptachl.html
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Substance Name — Heptachlor; CASRN — 76-44-8; Last Revised — 03/01/1991; The oral Reference Dose (RfD) is based on the assumption that thresholds exist for certain toxic effects such as cellular necrosis. It is expressed in units of mg/kg-day.
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www.epa.gov/iris/subst/0243.htm
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In 1988, the EPA canceled all uses of heptachlor in the United States. Phase out of heptachlor use began in 1978. The only commercial use still permitted is for fire ant control in power transformers (1, 9). Heptachlor is still available outside the United Sates (7, 10).
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pmep.cce.cornell.edu/profiles/extoxnet/haloxyfop-methyl...
pmep.cce.cornell.edu/profiles/extoxnet/haloxyfop-methylparathion/heptachlor-ext.html
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Heptachlor, a chlorinated hydrocarbon pesticide, suppresses the production of progesterone and estradiol in the female rat in vivo or in isolated ovaries in vitro. ... In this study the effect of heptachlor on steroid hormone production by isolated rat luteal and follicular cells, in the presence of two precursor hormones...
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www.medscape.com/medline/abstract/16861048
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The enantiomers of the pesticides trans-chlordane, cis-chlordane and heptachlor were separated on CHIRALCEL OD using a hexane mobile phase. The enantiomers of the heptachlor metabolite, heptachlor epoxide, were separated on CHIRALPAK AD using a methanol mobile phase.
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www.medscape.com/medline/abstract/14753706
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Heptachlor symptoms, causes, diagnosis, and treatment information for Heptachlor (Possible human carcinogenic exposure Heptachlor) with alternative diagnoses, full-text book chapters, misdiagnosis, research treatments, prevention, and prognosis. ... Heptachlor (medical condition): Some evidence indicates that exposure...
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www.wrongdiagnosis.com/medical/heptachlor.htm
www.wrongdiagnosis.com/medical/heptachlor.htm
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