Author: NaviKnow

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NOx Shouldn’t Mean No

NOx Shouldn’t Mean No

When the 1-hour nitrogen dioxide (NO2) NAAQS became effective in 2010, demonstrating compliance with the NO2 NAAQS, became a whole lot more difficult. Passing the annual standard was almost no problem at all, but the 1-hour standard was a bit problematic. On June 30th, 2021 at noon CDT, join us forĀ  a FREE LIVE webinar…

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A $1,000 Saved is a $1,000 Earned

A $1,000 Saved is a $1,000 Earned

In business, the most important performance metric is the bottom line. Though market forces are beyond your control, the one factor that is within your control is productivity (product per time). If you could produce the same amount of product in less time, what would it be worth to you? From my own experience and…

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NK Tools – Part 4 Permit Data and Permit Files

NK Tools – Part 4 Permit Data and Permit Files

An air quality permit can be a very complex document. Many operational limitations represented in the permit can be very straightforward while others can be nuanced. If you are trying to develop a permitting strategy, accurately represent the permit limitations, or determine if a permit representation is accurate, you need access to the source documents…

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Emissions and Monitoring Data at Your Fingertips

Emissions and Monitoring Data at Your Fingertips

The first step in preparing an air quality permit application is to determine whether the proposed project triggers federal permitting requirements. To make that determination, you need access to actual emissions data typically reported through an emissions inventory. How do you do that? If the proposed project involves a net increase in criteria pollutant emissions…

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Why Are You Wasting Your Time and Your Client’s Money?

How much time do you spend creating an “area map” for your air quality permit application or dispersion modeling submittal? The short answer is too much. The purpose of providing an area map is to provide to the regulator (and the public) information about where the proposed permitted site is or will be and what…

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Required Data Quick, Easy, and Documented

Required Data Quick, Easy, and Documented

Every dispersion modeling analysis requires land cover (rural or urban), terrain, and meteorological (met) data as input. For analyzing land cover data, EPA suggests two methods: Auer land use and population density methods. One method can give you a rural setting right in the middle of New York City and the other indicating the Houston…

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The Tool You Need

The Tool You Need

I used to be quite the do-it-yourself home repair, remodel, and construct type. In the early days, I realized I spent just as much time running back and forth to the garage to find the tools necessary to do the job as actually doing the job. To make myself more efficient, I bought a toolbelt…

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Downloading Meteorological Data – NK2.0 App

The purpose of a Rube Goldberg machine is to take the simplest of tasks and make the process so elaborate and grotesquely complicated, it is outright comical. It’s meant to be a joke. Though my sense of humor can be warped at times, there is nothing funny when it comes to dispersion modeling. At times,…

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Downloading NED Terrain Data – NK2.0 App

If you are going to be using AERMOD, you will be using AERMAP to calculate elevations and effective hill heights. AERMAP needs terrain files to work. You can follow EPA’s guidance and follow the 10 steps to download the files needed and then follow another 10+ steps to convert the downloaded files to the required…

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