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Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado
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Zeitschriftentitel: | Atmospheric Chemistry and Physics |
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Personen und Körperschaften: | , , , , , , |
In: | Atmospheric Chemistry and Physics, 19, 2019, 22, S. 13973-13987 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Copernicus GmbH
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author_facet |
Wang, Chi-Tsan Wiedinmyer, Christine Ashworth, Kirsti Harley, Peter C. Ortega, John Rasool, Quazi Z. Vizuete, William Wang, Chi-Tsan Wiedinmyer, Christine Ashworth, Kirsti Harley, Peter C. Ortega, John Rasool, Quazi Z. Vizuete, William |
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author |
Wang, Chi-Tsan Wiedinmyer, Christine Ashworth, Kirsti Harley, Peter C. Ortega, John Rasool, Quazi Z. Vizuete, William |
spellingShingle |
Wang, Chi-Tsan Wiedinmyer, Christine Ashworth, Kirsti Harley, Peter C. Ortega, John Rasool, Quazi Z. Vizuete, William Atmospheric Chemistry and Physics Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado Atmospheric Science |
author_sort |
wang, chi-tsan |
spelling |
Wang, Chi-Tsan Wiedinmyer, Christine Ashworth, Kirsti Harley, Peter C. Ortega, John Rasool, Quazi Z. Vizuete, William 1680-7324 Copernicus GmbH Atmospheric Science http://dx.doi.org/10.5194/acp-19-13973-2019 <jats:p>Abstract. The legal commercialization of cannabis for recreational and medical use has effectively created a new and almost unregulated cultivation industry. In 2018, within the Denver County limits, there were more than 600 registered cannabis cultivation facilities (CCFs) for recreational and medical use, mostly housed in commercial warehouses. Measurements have found concentrations of highly reactive terpenes from the headspace above cannabis plants that, when released in the atmosphere, could impact air quality. Here we developed the first emission inventory for cannabis emissions of terpenes. The range of possible emissions from these facilities was 66–657 t yr−1 of terpenes across the state of Colorado; half of the emissions are from Denver County. Our estimates are based on the best available information and highlight the critical data gaps needed to reduce uncertainties. These realizations of inventories were then used with a regulatory air quality model, developed by the state of Colorado to predict regional ozone impacts. It was found that most of the predicted changes occur in the vicinity of CCFs concentrated in Denver. An increase of 362 t yr−1 in terpene emissions in Denver County resulted in increases of up to 0.34 ppb in hourly ozone concentrations during the morning and 0.67 ppb at night. Model predictions indicate that in Denver County every 1000 t yr−1 increase in terpenes results in 1 ppb increase in daytime hourly ozone concentrations and a maximum daily 8 h average (MDA8) increase of 0.3 ppb. The emission inventories developed here are highly uncertain, but highlight the need for more detailed cannabis and CCF data to fully understand the possible impacts of this new industry on regional air quality. </jats:p> Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado Atmospheric Chemistry and Physics |
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title |
Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_unstemmed |
Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_full |
Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_fullStr |
Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_full_unstemmed |
Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_short |
Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_sort |
potential regional air quality impacts of cannabis cultivation facilities in denver, colorado |
topic |
Atmospheric Science |
url |
http://dx.doi.org/10.5194/acp-19-13973-2019 |
publishDate |
2019 |
physical |
13973-13987 |
description |
<jats:p>Abstract. The legal commercialization of cannabis for recreational and medical use has
effectively created a new and almost unregulated cultivation industry. In
2018, within the Denver County limits, there were more than 600 registered
cannabis cultivation facilities (CCFs) for recreational and medical use,
mostly housed in commercial warehouses. Measurements have found
concentrations of highly reactive terpenes from the headspace above cannabis
plants that, when released in the atmosphere, could impact air quality. Here
we developed the first emission inventory for cannabis emissions of
terpenes. The range of possible emissions from these facilities was 66–657 t yr−1 of terpenes across the state of Colorado; half of the
emissions are from Denver County. Our estimates are based on the best
available information and highlight the critical data gaps needed to reduce
uncertainties. These realizations of inventories were then used with a
regulatory air quality model, developed by the state of Colorado to predict
regional ozone impacts. It was found that most of the predicted changes
occur in the vicinity of CCFs concentrated in Denver. An increase of 362 t yr−1 in terpene emissions in Denver County resulted in increases
of up to 0.34 ppb in hourly ozone concentrations during the morning and 0.67 ppb at night. Model predictions indicate that in Denver County every 1000 t yr−1 increase in terpenes results in 1 ppb increase in daytime
hourly ozone concentrations and a maximum daily 8 h average (MDA8)
increase of 0.3 ppb. The emission inventories developed here are highly
uncertain, but highlight the need for more detailed cannabis and CCF data
to fully understand the possible impacts of this new industry on regional
air quality.
</jats:p> |
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author | Wang, Chi-Tsan, Wiedinmyer, Christine, Ashworth, Kirsti, Harley, Peter C., Ortega, John, Rasool, Quazi Z., Vizuete, William |
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description | <jats:p>Abstract. The legal commercialization of cannabis for recreational and medical use has effectively created a new and almost unregulated cultivation industry. In 2018, within the Denver County limits, there were more than 600 registered cannabis cultivation facilities (CCFs) for recreational and medical use, mostly housed in commercial warehouses. Measurements have found concentrations of highly reactive terpenes from the headspace above cannabis plants that, when released in the atmosphere, could impact air quality. Here we developed the first emission inventory for cannabis emissions of terpenes. The range of possible emissions from these facilities was 66–657 t yr−1 of terpenes across the state of Colorado; half of the emissions are from Denver County. Our estimates are based on the best available information and highlight the critical data gaps needed to reduce uncertainties. These realizations of inventories were then used with a regulatory air quality model, developed by the state of Colorado to predict regional ozone impacts. It was found that most of the predicted changes occur in the vicinity of CCFs concentrated in Denver. An increase of 362 t yr−1 in terpene emissions in Denver County resulted in increases of up to 0.34 ppb in hourly ozone concentrations during the morning and 0.67 ppb at night. Model predictions indicate that in Denver County every 1000 t yr−1 increase in terpenes results in 1 ppb increase in daytime hourly ozone concentrations and a maximum daily 8 h average (MDA8) increase of 0.3 ppb. The emission inventories developed here are highly uncertain, but highlight the need for more detailed cannabis and CCF data to fully understand the possible impacts of this new industry on regional air quality. </jats:p> |
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spelling | Wang, Chi-Tsan Wiedinmyer, Christine Ashworth, Kirsti Harley, Peter C. Ortega, John Rasool, Quazi Z. Vizuete, William 1680-7324 Copernicus GmbH Atmospheric Science http://dx.doi.org/10.5194/acp-19-13973-2019 <jats:p>Abstract. The legal commercialization of cannabis for recreational and medical use has effectively created a new and almost unregulated cultivation industry. In 2018, within the Denver County limits, there were more than 600 registered cannabis cultivation facilities (CCFs) for recreational and medical use, mostly housed in commercial warehouses. Measurements have found concentrations of highly reactive terpenes from the headspace above cannabis plants that, when released in the atmosphere, could impact air quality. Here we developed the first emission inventory for cannabis emissions of terpenes. The range of possible emissions from these facilities was 66–657 t yr−1 of terpenes across the state of Colorado; half of the emissions are from Denver County. Our estimates are based on the best available information and highlight the critical data gaps needed to reduce uncertainties. These realizations of inventories were then used with a regulatory air quality model, developed by the state of Colorado to predict regional ozone impacts. It was found that most of the predicted changes occur in the vicinity of CCFs concentrated in Denver. An increase of 362 t yr−1 in terpene emissions in Denver County resulted in increases of up to 0.34 ppb in hourly ozone concentrations during the morning and 0.67 ppb at night. Model predictions indicate that in Denver County every 1000 t yr−1 increase in terpenes results in 1 ppb increase in daytime hourly ozone concentrations and a maximum daily 8 h average (MDA8) increase of 0.3 ppb. The emission inventories developed here are highly uncertain, but highlight the need for more detailed cannabis and CCF data to fully understand the possible impacts of this new industry on regional air quality. </jats:p> Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado Atmospheric Chemistry and Physics |
spellingShingle | Wang, Chi-Tsan, Wiedinmyer, Christine, Ashworth, Kirsti, Harley, Peter C., Ortega, John, Rasool, Quazi Z., Vizuete, William, Atmospheric Chemistry and Physics, Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado, Atmospheric Science |
title | Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_full | Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_fullStr | Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_full_unstemmed | Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_short | Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
title_sort | potential regional air quality impacts of cannabis cultivation facilities in denver, colorado |
title_unstemmed | Potential regional air quality impacts of cannabis cultivation facilities in Denver, Colorado |
topic | Atmospheric Science |
url | http://dx.doi.org/10.5194/acp-19-13973-2019 |