Here’s what you will need:
Combine chili powder, garlic powder, celery seed, and pepper; rub evenly over meat.
Place meat in crock pot.Combine ketchup, chili sauce, brown sugar, vinegar,
worcestershire sauce, liquid smoke, and dry mustard.
Pour over corned beef.
Cover and cook on low for 8 to 10 hours.
Remove meat from crock pot and cut it into thin slices across the grain.
Serve with juices over the meat.