Shown below is Real-Time web output from the WiccaCoven Laser Air Particulate Pollution Monitor located 2 miles NW of the city of Bloomer, sponsored by Heather Andersen of CovenTree Airedales.

Test Page - Long-term Data

Each reading from a Dylos DC1100 instrument is averaged over five minutes and the graphs are updated every thirty minutes. Large particles (above 2.5 μm) are shown in red while small particles (down to 0.5 μm) are shown in orange. Wind conditions and humidity are collected simultaneously from the weather station at the coordinates 44-52°N 091-29°W. The north (green) and west (blue) wind components are recorded separately and are calculated to provide a true vector average. (For details, see the second method cited at http://www.ndbc.noaa.gov/wndav.shtml.)

Originally, it was proposed that there were to be multiple monitors around the plant site so that by subtracting the incoming air pollution number from the total pollution leaving the site, one could calculate the amount of pollution produced by the plant regardless of the direction of the wind. Since the plant operators have resisted this idea, we are installing a series of private monitors, situated as near as possible to the proposed site. These privately owned monitors are now measuring and recording the total particulate output of the air passing over the proposed sand plant plus all other airborne particulate producing sources upwind, including farming, construction, diesel exhaust, road dust, and surprisingly, water vapor. Over time, we can produce a baseline reading before any Sand Plant operations start, so we will be able to measure the increase in particulate pollution due to Sand Plant operations. As you can see by watching the particulate count each day, our air quality is not good. We don’t need more dust in the air.


  1. Heather Andersen says:

    Almost a statistic

    Last week a friend and I went on a road trip to Menomonie. From my home in the town of Auburn we went west on 190th av to North DD to Hwy 64. This route was taken for the purpose of observing the semi trucks coming from the LaGesse Expansion in Cooks Valley managed by Preferred Sands Company. Their semis travel this route going west on 64 to south 25 toward interstate 94 with a final destination of Woodbury, MN. This company has the only sand semis in the area traveling this route.
    On the way home, taking the same route, a few miles out of Menomonie traveling north we were between two hills with double yellow lines. We saw a semi coming toward us traveling at a good speed cross the double yellow center lines coming into our northbound lane. The semi had come up to a piece of farm equipment in front of him who was pulled over to his right. The semi crossed the yellow lines to avoid hitting the farmer and into our lane coming directly toward us. At that moment the farmer moved as far to his right, off the pavement onto the shoulder, giving the semi room to move back into his lane and avoid hitting us. We, of course, had moved as far to our right as we could without going into the ditch. This was a frightening moment for all of us including the farmer (who had every right to be where he was, traveling at the speed he was) and the semi driver. The fault lay with the semi. He was going too fast pulling up onto the farmer having to move into our lane to avoid hitting him. There were 4 semis behind him in a convoy. None could not have stopped their rigs at any cost.
    The next day I spoke with a deputy from the Dunn County Sheriffs Department and asked him to take down a report. After taking my statement he said that this, unfortunately, was becoming a daily occurrence with a call coming in just that morning regarding sand trucks. He stated that he thought that it was just a matter of time before someone was injured or killed. He also said that he would report this to the State Patrol. Unfortunately I did not have enough information for him to ticket. I knew this but there is strength in just reporting the incident. He advised me to use my cell phone calling 911 and report what I had seen quickly after it happened as this was a very serious violation with possible tragic results for a number of people. Had there been a patrol car in the area they may have been able to do something more. Please remember to try to get as much information as possible about the offending vehicle and MAKE THAT 911 call. Using caution and defensive driving may help keep you alive and not the first statistic.

    Heather Andersen/Town of Auburn/County of Chippewa

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