David A. Moore, PE, CSP, president and CEO of AcuTech Consulting Group, testified at a June 2006 hearing on Inherently Safer Technology in the Context of Chemical Site Security at The Senate Environment and Public Works Committee
In dozens of industries and in millions of applications around the world, dangerous chemicals are transferred from their original shipping containers into smaller jugs or buckets or applied to other end-use processes. Historically, the predominant dispensing method in many of these applications has been through an open system where the liquid is poured out of the container. With a poured system, the container is often flipped on its side and the liquid is poured into a secondary container.
The user then just carries the bucket to wherever it needs to go. A mental image of this technique quickly reveals its potential dangers and inefficiencies.