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    Tarmac

    Tarmac
    Quarrington Quarry
    Old Quarrington
    Bowburn
    Durham
    DH6 5NN
    United Kingdom
    BSI logo

    Certificate number: FM 503516
    Scope: The processing and supply of natural aggregates.

    Standard/Scheme number or name Start Date Expiry Date
    ISO 9001:2015 2005-12-09 2027-01-12