Between the ribs is intercostal space which contains blood vessels, muscles and intercostal nerves. These emerge between the vertebrae. When false movements, efforts, shock or coughing important muscles can be stretched, crumpled or torn.
For substances that are existing, the Inventory can be used to determine if there are restrictions on manufacture or use under the TSCA. There are approximately 80,000 chemical substances (as defined in Section 3 of the TSCA) on the Inventory at this time.
Petroleum substances make up a significant portion of the volume of chemical substances reported under the TSCA CDR. In the 2006 IUR reports, of the top 100 chemicals reported, over 60 were petroleum process streams.