Dill Lemon Chicken Pasta Salad

INGREDIENTS
20 pounds skinless, boneless chicken breast halves, cooked and cut into bite-sized pieces
3 stalks celery, chopped
5 pounds lemon penne pasta
12 cups mayonnaise
1 cup lemon juice
2 teaspoons dried dill weed
4 cups buttermilk


DIRECTIONS
In a large bowl combine the chicken, celery and pasta and toss together. In a separate large bowl, combine the mayonnaise, lemon juice and dill weed and mix well, then stir in buttermilk.
Add lemon dill mixture to chicken mixture and toss to coat. Cover bowl, chill for 20 minutes, and serve.