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the entire food web is at risk
Crude oil is composed of several highly toxic compounds, including light weight hydrocarbons, often referred to as “light-ends,” which can easily enter the atmosphere and invade the terrestrial environment. These lightweight hydrocarbons are classified as Volatile Organic Compounds (VOC’s), which can be tested in the blood, urine, breath, and sometimes tissues. The tests that were performed on several gulf coast residents indicated the presence of ethyl benzene, xylene, & hexane. While their toxicity is known, specific data on the dose and physiological responses to the aforementioned hydrocarbons is generally scarce in the scientific literature. Ethyl benzene is suspected by the International Agency for Research on Cancer to be a human carcinogen. Acute, high-exposure symptoms include eye irritation, upper respiratory irritation, and dizziness. Chronic exposure has resulted in irreversible inner ear damage and hearing loss, as well as severe kidney damage and cancer.
Xylene is metabolized into methylhippuric acid by the body. Studies on xylene toxicity have determined a potential relationship between gaseous exposure and the development of leukemia. The chemical is highly toxic to the central nervous system and manifests as dizziness, lack of coordination, and cognitive decline. Chronic exposure is also known to cause kidney failure. Studies on hexane toxicity are highly limited, but include evidence of neurological impairment manifest by decreased nerve conduction velocity. (CDC.gov)
These chemicals have the potential to cause both acute and chronic symptoms depending upon the dose and time frame of exposure. Thus, while low doses may not result in immediate and apparent symptoms, the cumulative nature of these toxins means that disease may still manifest years down the line if exposure occurs chronically. While many VOC’s are excreted very quickly, the human body is impacted with every dose, no matter how minuscule. When the impact of several tiny doses are combined, such as in people who are experiencing daily low-level exposure, the result can be detrimental. In addition to the direct impact of these specific VOC’s, many of them can be metabolized by the body and converted into other structurally distinct compounds, some of which are known to accumulate causing several different types of cancer, genetic damage, and birth defects. In essence, the health threat of chronic low-dose chemical toxicity is highly underestimated. Strict bio-monitoring and caution is required to prevent the potential unseen slaughter by a silent chemical killer.
These results prove that we are in an extremely dangerous situation, a bubble that is about to burst wide open.
The oil spill, and our ensuing response, has created a darker and deadlier aftermath that will persist for decades. The difference is between a swift and lethal blow verses lingering end-stage cancer. Like the first stage of cancer, which often goes long-undetected, this aftermath is a slow, deadly creep. We are entering stage one of the Gulf residents’ proverbial “cancer”.
The residents of the Gulf of Mexico are entering a crisis whose scope cannot be calculated. Several symptoms have been reported, from subtle to severe: skin rashes and infections, upper respiratory burning, congestion and cough, headaches, nausea, vomiting, and neurological symptoms including short-term memory loss and coordination problems.
Originally posted by getreadyalready
Air quality? minimal and not important
Well these crab fishermen down off the coast of St. Bernard Parish are thinking that their is still something wrong. Something so wrong that a fisherman with over 60 years experience has never seen or smelled anything like the crabs that are being caught.