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<br /> UNITED PARCEL SERVICE
<br /> Site Safety Plan
<br /> October 7, 1991
<br /> 7. 0 CHEMICALS OF CONCERN
<br /> 7.1 Health Effects
<br /> Potential health effects from a chemical exposure are dependant on
<br /> several exposure factors such as: toxicity of substances, duration of
<br /> exposure, concentration during exposure and the overall health of the
<br /> person exposed.
<br /> The chemicals commonly present at this site are: Gasoline and/or Diesel
<br /> Fuel containing varying concentrations of Benzene, Toluene,
<br /> Ethylbenzene, and Xylene (BTEX) . The following is a health analysis of
<br /> these chemicals.
<br /> Additional information on these chemicals can be found in the Material
<br /> Safety Data Sheet located in Appendix I.
<br /> Gasoline
<br /> Gasoline constituents can be divided into five major groups: alkanes,
<br /> alkenes, cycloalkanes, aromatics and additives. The aromatics are the
<br /> constituents generally regarded to be of greatest toxic concern. The
<br /> major aromatics in gasoline are benzene, toluene, ethyl benzene and
<br /> xylene. Of these, benzene is considered to be the most toxic. One
<br /> characteristic effect of gasoline and its aromatic constituents is
<br /> their ability to irritate the skin when repeated or prolonged exposure
<br /> occurs.
<br /> Diesel. Fuel .�
<br /> Diesel fuel is a complex mixture of paraffinic, olef inic, naphthenic,
<br /> and aromatic hydrocarbons. Paraffins make up the largest percentage of
<br /> diesel fuel, but aromatics can be as high as 30-35% .
<br /> Diesel fuel generally does not constitute an inhalation hazard due to
<br /> its low vapor pressure and high boiling point. If excessive air
<br /> concentrations of diesel fuel are inhaled, mucous membrane irritation
<br /> and chemical pneumonitis may result. Other symptoms may include
<br /> headache, dizziness, nausea, vomiting, and loss of coordination.
<br /> Ingestion of diesel fuel may cause these systemic effects:
<br /> gastrointestinal irritation, vomiting, diarrhea, and, in severe cases,
<br /> drowsiness and central nervous system depression, progressing to coma
<br /> and death.
<br /> Skin contact with diesel fuel may defat the skin, leading to
<br /> irritation, infection, and dermatitis. Prolonged or repeated skin
<br /> contact may cause irritation of the hair follicles and block the
<br /> sebaceous glands, producing a rash of acne pimples and spots. This
<br /> condition can be prevented if proper hygiene practices are followed.
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