Copper alloy structures have changed drastically within the past decade to comply with low lead requirements for potable water. Common compositions added to the new alloys were bismuth, silicon, or binary alloys. The creation of these new brass and bronze structures resulted in concerns with valve performance by both engineers and contractors.
Fatal Legionnaires’ disease has escalated 550% in the past 15 years. A new analysis model reported in AIHA’s The Synergist offers help for facility owners and operators who, due to new standards, are now responsible for preventing this “quiet killer.”
There are four remaining state-written plumbing codes used in the United States. You could say that the remaining four states are just stubborn. Maybe they think they do it better than the model plumbing codes, but they don’t.
