SUBSTANCE


 LEAD*

 There Is No
 demonstrably Safe
Exposure Level for Lead!


I II


POTENTIAL HEALTH
EFFECTS/SYMPTOMS


Chronic low-level exposure has been
found to produce permanent neuro-
psychological defects and behavior
disorders in children, such as low IQ,
short attention span, hyperactive
behavior, and motor difficulties. High
doses can cause brain damage, nervous
system disorders, and death. Lead can
also affect the kidneys, liver,
gastrointestinal system, heart, immune
system, nervous system, and blood-
forming system, and can cause
malformations in sperm and low sperm
counts. Early symptoms of Jead
poisoning include abdominal pains, loss
of appetite, constipation, muscle pains,
irritability, metallic taste in the mouth,
excessive thirst, nausea and vomiting,
shock, muscular weakness, pain and
cramps, headache, insomnia, depression,
and lethargy.


METHYLENE CHLORIDE Suspected human carcinogen.
 Mutagenic.
 Suspected human carcinogen.
 Symptoms include skin irritation,
 NAPHTHALENE* headache, confusion, nausea and
 vomiting, excessive sweating, urinary
 irritation. In sufficient quantity con
 I lerd to deth _


Substances marked with an aterisk (*) have been listed by the U.SA Etivironmental
Protection Agency as "priority pollutants" recognized as being hazardous to human
health.