Currently viewing the tag: "NAPAP"
NAPAP researchers exposed limestone and marble briquettes to weathering for months to years at several different sites. They sampled the briquettes and analyzed multiple layers for anion content.
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The National Acid Precipitation Assessment Program (NAPAP) started in the early 1980s and has continued more or less to the present. At least parts of the program and resulting data have been inherited by the Materials Research Program of the recently established National Center for Preservation Technology and Training (NCPTT) of the National Park Service.
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