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Health Impact / Dangerous Releases from Medical Waste Incineration


Stericycle incinerator stacks at Haw River, NC, 2001. Photo by Lou Zeller
just a spacer DIOXIN
Dioxin production is of great concern for its toxicity and because it is created in medical waste incinerators from the combination of combustion and chlorine. Burning PVC plastics heavily contributes to the chlorine. "Dioxin is one of the most toxic chemicals known to science. While exposure of the general population occurs through the ingestion of many common foods, children exposed in utero during critical periods of development appear to be the most sensitive and vulnerable to the effects of dioxin. Dioxin exposure has been linked to disrupted sexual development, birth defects and damage to the immune system. The World Health Organization’s International Agency for Research on Cancer (IARC), the U.S. EPA and the National Toxicology Program have all classified dioxin as a known human carcinogen. Because of its potential to cause harm, dioxin is one of 12 chemicals to be eliminated under a new United Nations Treaty on Persistent Organic Pollutants (POPs)."1

For a quick look at the seriousness and science of dioxins, look at this short video interview by one of the leading experts on dioxin, Dr. Linda Birnbaum, currently Director, National Institute for Environmental Health Sciences(NIEHS).

MERCURY
"Mercury is a potent neurotoxin, which means it attacks the body’s central nervous system; it can also harm the brain, kidneys and lungs. It can cross the blood-brain barrier as well as the placenta. If mercury-containing items are sent to an incinerator, mercury will contaminate the air. Airborne mercury then enters a global distribution cycle in the environment, contaminating fish and wildlife and the humans who eat them. Mercury pollution has led to warnings against eating fish caught in some or all of the bodies of water in 41 U.S. states."2 The entire state of NC has a fish advisory due to mercury.

LEAD
Lead is a highly toxic metal, and enters the body through contaminated food, water and air. Exposure to lead can result in anemia, high blood pressure, kidney damage, brain damage, lowered sperm counts and miscarriages. In children ex-posure to lead can cause learning disabilities, aggression, impulsive behavior and hyperactivity.

HYDROGEN CHLORIDE/HCL
"The emission of these acids damages local buildings and endangers the health of people in neighboring communities who breathe the fumes, increasing the rates and severity of respiratory problems, including asthma."3

OTHER TOXINS
In addition to dioxin, mercury, lead and HCl, medical waste incinerators discharge a significant array of other pollutants including nitrous oxides, numerous toxic organic compounds, and heavy metals such as cadmium, arsenic, berrylium, among others.

TOXINS CREATED BY INCINERATION
"New and highly toxic chemicals formed during combustion pose some of the greatest dangers of incineration. Fragments of partially burned waste chemicals recombine within incinerator furnaces, smokestacks, and/or pollution control devices creating hundreds, possibly thousands, of new substances. Many of these substances are more toxic than the original waste."4 These are not necessarily included in emissions standards.

TOXIC ASH
"Modern incinerators trap some toxic metals in the "fly ash" in pollution-control devices. The better the technology, the more toxic the fly ash. Typically, fly ash requires special disposal in expensive hazardous waste landfills. However, fly ash is often mixed with the resulting bottom ash to "dilute" the toxics so it can pass hazardous waste tests.... The fly and bottom ash contain toxic metals as well as dioxins and furans. A hundred times more dioxin may leave the incinerator in the fly ash than is emitted into the air from the smoke stacks."5

"While incinerators are designed to burn wastes, they also produce new waste in the form of ash, which reportedly contains up to 43 different semi-volatile, organic chemicals, and runoff from wet scrubbers and/or cooling processes has been shown to contain at least 16 organic chemicals. This ash residue waste also may lead to contamination of soil and groundwater."6

CHILDHOOD CANCERS & CANCER INCIDENCE NEAR INCINERATORS: Check this link: http://www.mindfully.org/Health/Incinerators-Landfills-Childhood-CancersJun00.htm

1,2,3,4 STERICYCLE: LIVING UP TO ITS MISSION? An Environmental Health Assessment of the Nation's Largest Medical Waste Company. Health Care Without Harm, 2002.

5, 6 What’s Coming Out of That Smoke Stack? An Overview of Medical Waste Incineration’s Effect on Our Environment and Alternative Solutions. BioMedical Technology Solutions, Inc. Dioxin News, 9-2007.