Small business self-certification, a one-year certification which requires annual renewal, is a prerequisite for verification as a Small Diverse Business. Visit smallbusiness.pa.gov for program guidelines, Frequently Asked Questions (FAQs), and step-by-step instructions for the self-certification process.
The main uses for coal are Fuels, Plastics and Electricity.
This type of coal contains 20-30% moisture and can be used for heating or generating electricity.- Bituminous coal. A soft, dense and black coal. Bituminous coal is the most common coal and has a moisture content of less than 20%. This type of coal is usually used for generating electricity and heating in the home. - Anthracite coal. Also known as hard coal, this type of coal is hard and black. Anthracite is high in carbon and low in sulphur, with a moisture content of less than 15%. Anthracite is a naturally occurring smokeless fuel and is used in solid fuel cookers and boilers.