The Chlorine Institute Inc. has posted two new documents at www.chlorineinstitute.org to help sodium hypochlorite users avoid accidents. “Avoiding Accidental Mixing of Sodium Hypochlorite” offers recommendations for avoiding improper mixing during bulk unloading. It also provides a checklist for reference during bulk unloading and offers several design criteria recommendations. “Sodium Hypochlorite Only (Bleach) UN1791 UN1791,” is a printable poster that recommends eight steps to guard against accidental mixing.