Jones Dairy Farm v. Local No. P-1236, United Food and Commercial Workers International Union, Afl-Cio

Jones Dairy Farm agreed to arbitrate its dispute with the food-workers union over the contracting out of work, and the arbitrator interpreted the contract to forbid contracting out. The fact that in doing so the arbitrator may have made a mistake, even a mistake of law, is not a ground for *585setting aside his award. We should therefore reverse the district court.

If a labor arbitrator makes an award that is based on his interpretation of the collective bargaining contract (that “draws its essence from” the contract, in the accepted metaphor, see United Steelworkers v. Enterprise Wheel & Car…