Scope AWWA C203-02 standard provides minimum requirements for coal-tar protective exterior coatings and interior linings used in the potable water supply industry for buried steel water pipelines. Sections 4.3 through 4.5 and Sec. 4.8 cover the requirements for hot-applied,coal-tar enamel and it ... Continue reading

API-American Petroleum Institute. The American Petroleum Institute, commonly referred to as API,is the largest U.S trade association for the oil and natural gas industry.It claims to represent about 400 corporations involved in production,refinement,distribution, and many other aspects of the pe ... Continue reading