BS 3247:2011 Specification for salt for spreading on highways for winter maintenance (incorporating corrigendum No. 1)
Requirements for fine and course grades. Criteria for storing quality, grading and chemical composition.
Supersedes BS 3247:1991 - this revision relates to grading requirements for rock salt. BS 3247-1 first published May 1960. BS 3247-2 first published July 1963. BS 3247-1 second edition, September 1970. BS 3247-2 second edition, September 1970. First published as BS 3247 (combined third edition), August 1984. Fourth edition, August 1991. Fifth (present) edition, February 2011. Amendment dated 31 July 2013 - C1. In Table 1 in the row Marine salt, Coarse, 6.3 mm has been changed to 10 mm. See Foreword. Confirmed June 2016.
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