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.
Swimming pool chemicals control bacteria and algae and provide a safe and clean pool. In concentrated form these chemicals are potentially dangerous. Swimming pool chemicals are reactive. If accidentally mixed with other chemicals, the mixture can become unstable and produce poisonous fumes or even fire. Pool chemicals do not pose a threat if used and stored correctly.