Sometimes the hydraulic evaluation may require up-sizing all or certain pumps in leachate sumps because not enough flow can go through the force main due to high friction loss in the expanded leachate force main. Up-sizing pumps may be achievable depending on the type of the leachate sump, i.e., ...
Some activities are not subject to reporting; among the exemptions are chemicals in items that meet the definition of “articles,” chemicals for personal use, chemicals used for building and grounds maintenance (the exemption does not apply to cleaning of process equipment), or for maintenance of motor vehicles. There also ...
Let’s start with the difference between the Worst Case Release (WCR) and the Alternative Release Scenario (ARS). Besides the obvious, which is that one is not likely to occur and the other is supposed to be more representative of a possible situation at your plant, one difference is the ...
For outdoor containers, you have to account for precipitation in sizing your secondary containment systems. Unless a more stringent local or state regulation presides, engineers typically use a rule of thumb for determining appropriate outdoor containment capacity. The most common methods to provide freeboard for precipitation are either 125 ...
This article discusses global air quality and how the collaboration between policy-makers and the scientific community can have a continued positive impact on air quality in the U.S. This collaboration has been the … Continue reading Improving Global Air Quality – Perspective in the A&WMA Publication for Young Professionals ...
