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2. Ozone monitor - Wikipedia

   en.wikipedia.org/wiki/Ozone_monitor

   Most ozone monitors utilized in regulatory applications use ultraviolet absorption to accurately quantify ozone levels. An ozone monitor of this type operates by pulling an air sample from the atmosphere into the machine with an air pump. [3] During one cycle, the ozone monitor will take one air sample through the air inlet, and scrub the ozone ...

3. Ozone monitoring instrument - Wikipedia

   en.wikipedia.org/wiki/Ozone_monitoring_instrument

   The ozone monitoring instrument (OMI) [1] is a nadir-viewing visual and ultraviolet spectrometer aboard the NASA Aura spacecraft, which is part of the satellite constellation A-Train. In this group of satellites Aura flies in formation about 15 minutes behind Aqua satellite , both of which orbit the Earth in a polar Sun-synchronous pattern, and ...

4. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens , and often also suspended solids and some unpalatable or toxic compounds .

5. Monitor your home's indoor air quality for these ... - AOL

   www.aol.com/news/monitor-homes-indoor-air...

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6. Rare, 10-acre home overlooking Folsom Lake hits Sacramento ...

   www.aol.com/10-acre-home-overlooking-folsom...

   If a breathtaking, 10-acre estate overlooking Folsom Lake in California sells for the asking price of $7.5 million, the deal will mark the second-highest residential sale ever in the Sacramento ...

7. National Ambient Air Quality Standards - Wikipedia

   en.wikipedia.org/wiki/National_Ambient_Air...

   The EPA is strengthening monitoring requirements for CO by calling for CO monitors to be placed in strategic locations near large urban areas. Specifically, the EPA has called for monitors to be placed and operational in CBSA's (core based statistical areas) with populations over 2.5 million by January 1, 2015; and in CBSA's with populations of ...

8. Dobson ozone spectrophotometer - Wikipedia

   en.wikipedia.org/wiki/Dobson_ozone_spectrophotometer

   Dobson spectrophotometers can be used to measure both total column ozone and profiles of ozone in the atmosphere. [5] [6] Ozone is tri-atomic oxygen, O 3; ozone molecules absorb harmful UV light in the atmosphere before it reaches the surface of the earth. No UVC radiation penetrates to the ground as it is absorbed in the ozone-oxygen cycle.

9. Rare, 10-acre home overlooking Folsom Lake hits Sacramento ...

   www.aol.com/rare-10-acre-home-overlooking...

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