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ANSI/NISO Z39.48-1992 (R2002)

Permanence of Paper for Publications and Documents in Libraries and Archives

Publishers and paper manufacturers, take note! This standard sets the basic criteria for coated and uncoated papers that will last several hundred years under normal use. It covers ph value, tear resistance, alkaline reserve and lignin threshold. Recycled papers will meet the criteria specified. This revision to the original 1984 standard is based on testing conducted by the Institute of Paper Science and Technology and contributions from paper makers, publishers, printers, and the preservation community.

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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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