At approximately 10:15 a.m. on May 30, 2012 a 46-year-old truck driver was making a routine delivery of sanitation chemicals to a milk packaging plant. The plant purchases their sanitation chemicals through a nationally recognized clean-in-place chemical provider and the chemicals are delivered by a local chemical trucking company. Employee #1 (truck driver) delivered the chemicals to the plant’s milk-loading dock #2 where the chemicals are pumped through receiving pipes located on the south wall of the loading dock. The pipes lead to three large tanks located in the Clean In- Place (CIP) room located adjacent to the dock. The multi-compartment tanker truck was loaded with two (2) different chemicals: