On March 8, the U.S. Environmental Protection Agency (EPA) published the third step of its greenhouse gas (GHG) permit Tailoring Rule. Proposed Step 3 retains the current GHG permitting thresholds for ...
When addressing air leakage around an exterior door, the underside of the threshold is often overlooked. As homes shift with weather and age, gaps form beneath the door threshold. Hidden underfoot, ...
A proposed rule issued on Friday by the Environmental Protection Agency (EPA) will not change the greenhouse gas (GHG) permitting thresholds for the Prevention of Significant Deterioration (PSD) and ...
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