For infants or young children, lead has been shown to decrease IQ scores, slow growth, and cause hearing problems. Benzene can cause cancer, severe anemia and internal bleeding. Benzene is also harmful to the immune system and may cause genetic changes in both humans and animals. Arsenic can cause decreased production of red and white blood cells, abnormal heart rhythms, and increased risk of lung, kidney, liver, and skin cancers. Higher levels of arsenic may be fatal.
Chloroform is a probable human carcinogen.
Studies show chloroform to be associated with cancers of the large intestine, rectum and bladder. More information about these and other chemicals. Information about chemicals that affect reproductive systems. A number of industry groups are spending thousands of dollars to ensure that they can continue to keep the public in the dark about their pollution production and disposal, making Oregon s waterways unsafe for salmon. The top ten polluters into Oregon's waterways.