The Truth Behind the Greenbook Acceptance of HDPE Specifications
Last fall the American Public Works Association’s Joint Cooperative Committee, which publishes the Greenbook, accepted specifications for HDPE pipe. There has been much discussion about why the Greenbook reached that decision. Meanwhile HDPE manufacturers have used this acceptance in their promotional campaigns. Why did the Greenbook accept HDPE pipe? The attached letters address this issue, and refer to events which preceded the acceptance of HDPE pipe. These letters are a matter of public record, but they must be reproduced in their entirety. Do not paraphrase them or use excerpts if you choose to reproduce them yourself. The American Concrete Pipe Association makes these documents available to its members as part of its ongoing policy of sharing information relevant to the industry.