How does DOL determine which union or unions is the appropriate labor organization for determining prevailing rates? What if there is more than one collective bargaining agreement in a given locality?

 The Department of Labor utilizes the collectively bargained agreements that were used in the previous year’s annual determination of prevailing rates, unless competent evidence is provided that the negotiated agreement does not cover 30% of workers in the same trade or occupation. Also see Section III - Classification of Workers.

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Public Work Classification
Prevailing Wage Job Classification
URL: http://www.labor.state.ny.us/business_ny/employer_responsibilities/prevwage/pw_faqs.htm