Put cucumbers, green pepper and onions in large bowl.
Sprinkle 2 tablespoons pickling salt over mixture in bowl and distribute.
Set in refrigerator for 2 hours.
Then mix sugar, vinegar and celery seed.
Stir to dissolve sugar.
Place cucumbers in freezer containers, tightly packed.
Cover with syrup.just enough to cover.
Leave 1-inch head space.