hexachlorobutadiene - Davidborowski.com
hexachlorobutadiene - Davidborowski.com
hexachlorobutadiene - Davidborowski.com
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HEXACHLOROBUTADIENE 88<br />
5. POTENTIAL FOR HUMAN EXPOSURE<br />
indicate that exposure to <strong>hexachlorobutadiene</strong> occurs in humans, but do not identify sources or routes<br />
of exposure. Although exposure from foods is probably a minor route of exposure, people who<br />
consume large amounts of fish obtained from contaminated waters may be exposed to significant<br />
quantities of <strong>hexachlorobutadiene</strong>. Similarly, persons who live in source-dominated areas or work in<br />
plants that produce chlorinated hydrocarbons may be exposed to significant levels of<br />
<strong>hexachlorobutadiene</strong> in the air. No information was found on the number of workers potentially<br />
exposed to <strong>hexachlorobutadiene</strong>.<br />
5.6 POPULATIONS WITH POTENTIALLY HIGH EXPOSURES<br />
People who live in source-dominated areas (at or near hazardous waste sites or chlorinated<br />
hydrocarbon production plants) and workers in these areas are potentially exposed to high levels of<br />
<strong>hexachlorobutadiene</strong>. Individuals who consume large amounts of fish from contaminated waters may<br />
also be exposed to above-average levels of <strong>hexachlorobutadiene</strong>.<br />
5.7 ADEQUACY OF THE DATABASE<br />
Section 104(i)(5) of CERCLA, as amended, directs the Administrator of ATSDR (in consultation with<br />
the Administrator of EPA and agencies and programs of the Public Health Service) to assess whether<br />
adequate information on the health effects of <strong>hexachlorobutadiene</strong> is available. Where adequate<br />
information is not available, ATSDR, in conjunction with the NTP, is required to assure the initiation<br />
of a program of research designed to determine the health effects (and techniques for developing<br />
methods to determine such health effects) of <strong>hexachlorobutadiene</strong>.<br />
The following categories of possible data needs have been identified by a joint team of scientists from<br />
ATSDR, NTP, and EPA. They are defined as substance-specific informational needs that if met<br />
would reduce the uncertainties of human health assessment, This definition should not be interpreted<br />
to mean that all data needs discussed in this section must be filled. In the future, the identified data<br />
needs will be evaluated and prioritized, and a substance-specific research agenda will be proposed.