Rainout (Coralville Parks & Rec Dept.)                   http://www.coralville.org/mod.php?mod=department&op=viewcustom&did=24&cid=71

American Softball Association                               http://www.softball.org/

ASA Bat Testing & Certification Program               http://www.softball.org/about/certified_equipment.asp

ASA's Non Approved Bat List                                 Non-Approved Bat List.pdf