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This article was created or improved during the " The 20,000 Challenge: UK and Ireland", which started on 20 August 2016 and is still open. You can help!

What, in the British context, is a ton? Surely, it's 1.016 metric tonnes. 2A00:23C6:470D:8601:A0D8:23A6:9C52:4419 ( talk) 09:22, 12 March 2023 (UTC) reply

Note 34 justifies start and finish dates for "BPCM". The website referenced in note 34 gives neither of these dates, which appear to have been invented. BPCM built and commissioned the plant in 1929, and ceased to exist in 1965. — Preceding unsigned comment added by 2A00:23C6:470D:8601:3CAD:989D:E15F:32F7 ( talk) 07:58, 14 March 2023 (UTC) reply