Kellogg's cereal recall due to petrochemical
Methylnaphthalene, which has two forms, is a component of crude oil and coal tar and may also be formed “as a pyrolytic byproduct from the combustion of tobacco, wood, petroleum-based fuels and coal” (EPA 2003)…. The chemical is known to be a commonly detected air pollutant from cigarette smoke, diesel and gasoline engine exhaust, wood smoke, tar and asphalt (ATSDR 2005).Animal studies show that methylnaphthalene causes lung damage when exposure occurs via inhalation, ingestion and skin contact. Mice given feed containing 0.075 percent or 0.15 percent of 1- or 2-methynaphthalene for 81 weeks had lung damage known as “pulmonary alveolar proteinosis,” marked by abnormal lipids, proteins and fluid in the lung (ATSDR 2005, citing Murata 1993, 1997). Applying a mixture of 1- and 2-methylnaphthalene to the skin resulted in similar lung injury to mice (Murata 1992)….In 2005, the Agency for Toxic Substances and Disease Registry concluded: “The available data on the methylnaphthalenes appear inadequate to determine their carcinogenicity potential in humans.” (ATSDR 2005).
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