C-22 - Asbestos Abatement Contractor. This classification description is an excerpt of the regulation that established the C-22 Asbestos Abatement contractor classification. Click here for the full text of the regulations that relate to the C-22 classification.
The liver is one of the main sites of storage for vitamin B-12. Approximately 60 percent of the vitamin B-12 in the body is stored in the liver, with another 30 percent stored in muscles.
Test Overview. A vitamin B12 test measures the amount of vitamin B12 in the blood. The body needs this B vitamin to make blood cells and to maintain a healthy nervous system. Vitamin B12 is found in animal products such as meat, shellfish, milk, cheese, and eggs.est Overview. A vitamin B12 test measures the amount of vitamin B12 in the blood. The body needs this B vitamin to make blood cells and to maintain a healthy nervous system. Vitamin B12 is found in animal products such as meat, shellfish, milk, cheese, and eggs.