Discuss ContractorForum: Does the 2391 certificate only last so long?: I did it in back in 20 in the Plumbing Jobs | The Job-board area at PlumbersForums.net
ContractorForum: Does the 2391 certificate only last so long?: I did it in back in 2002ish and I was under the impression it was.. http://bit.ly/6wv8pf
Reply to ContractorForum: Does the 2391 certificate only last so long?: I did it in back in 20 in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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