Sulfuric acid
A carcinogen found in lead-acid batteries for cars.
Corrosive to all body tissues. Inhalation may cause serious lung damage and contact with eyes can lead to a total loss of vision. The lethal dose is between 1 teaspoonful and one-half ounce.
Crystalline silica
A carcinogen found in concrete, brick mortar and construction sands.
Dust is harmful if inhaled repeatedly over a long period of time and can lead to silicosis or cancer.
Formaldehyde
A carcinogen found in embalming agents for human or animal remains.
Ingestion of even one ounce of liquid can cause death. Exposure over a long period of time can cause lung damage and reproductive problems in women.
*U.S. Energy and Commerce Committee Hydraulic Fracturing Report
Many fracking fluids contain chemicals that are listed as 'trade secret'. The leading fracking companies used 94 million gallons of 279 products that contained at least one chemical or component that the manufacturers wouldn't list. The oil and gas companies were unable to identify this proprietary chemical which means they are injecting fluids containing chemicals that they themselves can't identify.
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