The Environics, Inc. Post

Trace Level Monitoring - Ambient Calibration

Posted by Dr. Rachel Stansel on Thu, Nov 30, 2017 @ 11:56 AM

More and more, we are talking about trace level ambient monitoring.  This monitoring is in line with the measurement objectives of NCORE which is part of the Ambient Monitoring Technology Information Center of the US EPA.  According to the EPA website, "NCore is a multi pollutant network that integrates several advanced measurement systems for particles, pollutant gases and meteorology. Most NCore stations have been operating since the formal start of the network on January 1, 2011." The measurement standards, as set it 40 CFR Part 58 Appendix A, are:

Read More

Tags: EPA, Ambient Air calibration, News, NCore

In the News : New US Ozone Standard Takes Effect

Posted by Dr. Rachel Stansel on Thu, Oct 12, 2017 @ 02:06 PM

On October 1, 2017, a new ozone standard took effect in the US amid widely differing opinions. In late 2014, the EPA had proposed lowering the ozone standard to a between 65 to 70 from the current standard of 75 ppb (set in 2008 under the Bush administration). Public discussion was heated with many groups urging the EPA to maintain the existing standard. On October 1, 2015, under a court-ordered deadline, the EPA finalized the ozone National Ambient Air Quality Standard (NAAQS) standard at 70 ppb.

Read More

Tags: USA Emissions, EPA, Air Pollution, Emission Standards, News