<div dir="ltr">Dear Colleagues <div>The GAW programme is the International programme for coordination of observations research related to the chemistry of the atmosphere.  It is operated by the World Meterological Organization on behalf of all countries.   Note The 18th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2015) was held on September 13-17, 2015 at the Scripps Institution of Oceanography in La Jolla, California. This was hosted by Ralf Keeling a former Bert Bolin Climate Lecturer and his colleagues at Scripps. This group is responsible for the world reference standards for Greenhouse Gases and measurement protocols. GAW also deals with stratospheric ozone and UV , aerosols, reactive gases (CO, SO2, O3, Nitrogen Oxides , VOCs) , precipitation chemistry<br clear="all"><div><div class="gmail_signature"><div dir="ltr"><span style="color:rgb(0,0,0)">Leonard Barrie</span><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">Research Director,  Bolin Centre for Climate Research</span><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">Professor for Climate and Atmospheric Science</span><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">Department of Geological Sciences</span><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">Stockholm University</span><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">106 91 Stockholm</span><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">Sweden</span><br style="color:rgb(0,0,0)"><a href="mailto:leonard.barrie@geo.su.se" style="color:rgb(17,85,204)" target="_blank">leonard.barrie@geo.su.se</a><br style="color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">mobile </span><a value="+46761418800" style="color:rgb(17,85,204)">+46761418800</a><span style="color:rgb(0,0,0)">  work IGV </span><a value="+468164868" style="color:rgb(17,85,204)">+46 81648</a>68<br><br></div></div></div>
<br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Geir Braathen</b> <span dir="ltr"><<a href="mailto:GBraathen@wmo.int">GBraathen@wmo.int</a>></span><br>Date: Thu, Oct 1, 2015 at 2:08 PM<br>Subject: Global Atmosphere Watch Newsletter, September 2015<br>To: Leonard Barrie <<a href="mailto:leonard.barrie@geo.su.se">leonard.barrie@geo.su.se</a>><br><br><br><u></u>








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<span style="color:rgb(0,128,128)"><span style="font-size:24px"><span style="font-family:tahoma,verdana,segoe,sans-serif">In this issue</span></span></span><br>
<a href="#150234e0fe4c07d5_ozonehole" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline">The Antarctic Ozone Hole</a><br>
<a href="#150234e0fe4c07d5_Recent+meetings" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline">Recent meetings</a><br>
<a href="#150234e0fe4c07d5_upcoming_meetings" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline">Upcoming meetings<br>
Recent Reports</a><a href="#150234e0fe4c07d5_Recent+Reports" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline"> and Bulletins</a><br>
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<span style="color:rgb(0,128,128)"><span style="font-family:'lucida sans unicode','lucida grande',sans-serif"><a name="150234e0fe4c07d5_ozonehole" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline"></a>The
 Antarctic Ozone Hole</span></span></h2>
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The Antarctic ozone hole is an annually recurring phenomenon. Its size and depth depends to a large extent on the meteorological conditions since the atmosphere still contains more than enough halogen reservoir gases to destroy all the ozone in a certain height
 range (typically 15-20 km altitude) if they are converted to active chlorine and bromine. The 2015 ozone hole started relatively late in August but then increased quickly in size during the first two weeks of September. By the beginning of October, the 2015
 ozone hole area is larger than in any year after 2008.<br>
Ozonesonde measurements at some Antarctic sites show total destruction of ozone at an altitude of around 16 km. 
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<img alt="" src="https://gallery.mailchimp.com/34c664c1c564215e58ce16db5/images/195af638-c226-40f3-afcb-d5524505944f.png" width="564" style="max-width: 685px; border: 0px; outline: none; text-decoration: none; vertical-align: bottom;">
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Ozone hole area based on data from GOME-2  (SCIAMACHY in the past). The plot is up to date as of 1 October. Calculation and plotting is done at the Royal Netherlands Meteorological Institute. The grey dots represent the forecast for the next five days.<br>
See <a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=77570ae482&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
http://www.temis.nl</a> for more details. </td>
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Ozone soundings carried out at Belgrano and at the South Pole. Between 15 and 17km altitude essentially all the ozone is depleted. More details about ozone hole observations in Antarctica is found in the WMO Antarctic Ozone Bulletins (see
<a href="#150234e0fe4c07d5_Recent+Reports" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline">
lower down</a> in this Newsletter). The two profiles shown here will appear in the next Bulletin, which is planned for 9 October.
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<span style="color:rgb(128,0,0)">Workshop on Future Directions of GAW Data Management </span></h3>
<span>Experts with a common interest in atmospheric composition monitoring and services for climate, chemical weather and health were invited to a joint WMO-MeteoSwiss 2-day meeting on 10-11 August 2015 at MeteoSwiss, Zürich.  The purpose of the workshop was
 to scope out a vision for how to manage atmospheric composition observations from GAW and related networks and data archives, to review the  organisational structure needed to best support atmospheric composition data management as well as service delivery,
 and to guide the update and/or development of Terms of Reference for GAW World Data Centres and other data centres that are to be affiliated with GAW. A meeting report will be made available in the coming weeks.</span><br>
 
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<span style="color:rgb(128,0,0)">Second meeting of the Task Team on Observational Requirements</span></h3>
<span>GAW’s Task Team on Observational Requirements and invited experts met at the MeteoSwiss headquarters in Zurich on </span><span style="line-height:20.8px">12-13 August </span><span>in order to further develop a list of atmospheric composition and related
 parameters required to support application areas, including: forecasting of atmospheric composition, monitoring of atmospheric composition, and provision of atmospheric composition information for applications in urban and other populated areas.  The team
 also identified observational requirements for a set of priority variables that cut across the above three application areas. Finalised observational requirements will be used to critically review GAW observing capabilities as a component of WMO’s Global Integrated
 Observing System.  The output will be used to develop application-specific Statements of Guidance for WMO Members in order to guide the future evolution of the GAW observing system. </span>
<div>More information on the work of this Task Team can be found in <a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=75d5b185c2&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
GAW Report # 221</a>.<br>
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Participants at the 10-11 August meeting at MeteoSwiss in Zurich. </td>
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<span style="color:rgb(128,0,0)">4th International GAW Workshop, Jakarta</span></h3>
In the last eight years, BMKG has held three workshops related to GAW activities. This year, BMKG conducted the 4th International GAW Workshop on 18-19 August 2015 in Jakarta. The workshop provided a scientific forum to discuss the national and international
 roles of the GAW stations; to foster knowledge transfer and information exchange especially on measurement methods, data collecting and analysis, calibration system capacity; and to improve international cooperation and knowledge exchange between the air quality
 community in Indonesia and institutes in other countries making similar measurements.<br>
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This year's workshop was targeted towards station managers and department leads in atmospheric chemistry in the tropical regions. Researchers from other regions were welcome to participate in order to facilitate information and experience exchange. <br>
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Keynote Speakers were:<br>
1. Dr. Andi Eka Sakya, M.Eng (Director General of BMKG and Permanent Representative of Indonesia with WMO)<br>
2. Dr. Oksana Tarasova (Chief of The Atmospheric Environment Research Division, WMO)
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Participants at the 4th International GAW Workshop, 18-19 August, Jakarta, Indonesia.
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<span style="color:rgb(128,0,0)"><span style="font-family:'lucida sans unicode','lucida grande',sans-serif">7th IWAQFR Workshop, College Park, Maryland</span></span></h3>
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<span>The <a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=670a591349&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
7th  <span>International Workshop on Air Quality Forecasting Research</span></a> (IWAQFR) was organised on September 1 - 3, 2015 at the NOAA Center for Weather and Climate Prediction, College Park, MD, USA. The goal of the Workshop was to provide
 a venue for the discussion of science issues and advancements related to air quality forecasting. Workshop objectives included improving operational air quality forecasts, promoting collaborations among air quality forecasting researchers and practitioners,
 and nurturing an international air quality forecasting community. A working meeting of the GURME SAG was also organized after the workshop.</span></p>
<p style="margin:1em 0px;padding:0px;color:rgb(96,96,96);font-family:Helvetica;font-size:15px;line-height:150%;text-align:left">
<span>Web-link: <a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=288d506e8f&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
<span>http://www.arl.noaa.gov/IWAQFR_home2015.php</span></a></span></p>
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<span style="color:rgb(128,0,0)"><span style="font-family:'lucida sans unicode','lucida grande',sans-serif">18th GGMT Meeting, La Jolla, California</span></span></h3>
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<span>The <strong>18th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2015) was</strong> held on
<strong>September 13-17, 2015</strong> at the </span><a href="http://wmo.us11.list-manage2.com/track/click?u=34c664c1c564215e58ce16db5&id=94ff7a0f59&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank"><span>Scripps
 Institution of Oceanography</span></a><span> in La Jolla, California. This was the 40th anniversary of the first GGMT meeting (then called "CO</span><span>₂</span><span> Experts Meeting") which was also held at Scripps. The
 discussions were focused on measurements of key atmospheric greenhouse gases and tracers, their isotopes, assessment of new techniques of standardisation, quality assurance, and data products. The discussed topics have broadened from problems and challenges
 in the field of precise measurements of atmospheric trace gases to data utilisation, integrated products and observational network design. There were two new topics discussed at the meeting, namely greenhouse gas measurements in urban environments and measurements
 of dissolved greenhouse gases and related ocean tracers. During the meeting the <a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=4c83640a7c&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
<span>WMO Recommendations</span></a> for the measurement, calibration and data management of atmospheric greenhouse gases and related tracers were updated, with the final report to be produced in the beginning of 2016. </span><span style="line-height:1.6em">More
 information about this meeting can be found here: </span><a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=e82070f520&e=3f501ec309" style="line-height:1.6em;word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">http://ggmt-2015.com/</a></p>
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<span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif;font-size:13.3333px;line-height:18.6667px">In 2015 the GGMT Meeting celebrated its 40th anniversary at Scripps. </span>
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<span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif;font-size:13.3333px;line-height:18.6667px">The First CO₂ experts meeting was hosted by C. D. Keeling at Scripps in 1975.</span>
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<span style="color:rgb(0,128,128)"><span style="font-size:28px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><a name="150234e0fe4c07d5_upcoming_meetings" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline"></a>Upcoming
 meetings</span></span></span><br>
 
<ul>
<li><span style="color:rgb(105,105,105)"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span style="font-size:14px;line-height:20px">9th International Acid Rain Conference.  The theme of
 Acid Rain 2015 is: "Successes Achieved and Challenges Ahead". More information is found here: </span><a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=cb774388c6&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank"><span style="font-size:14px">http://acidrain2015.org/</span></a></span></span>
</li><li>Meeting of the Parties to the Montreal Protocol, Dubai, 1-5 November 2015. More information can be found
<a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=dc042d5bb5&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
here</a>. </li></ul>
<span style="font-family:tahoma,verdana,segoe,sans-serif"><span style="font-size:14px"><span style="color:rgb(105,105,105)">A more comprehensive list of meetings for 2015 can be found
</span><a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=3051a8329c&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank"><span style="color:rgb(0,128,128)">here</span></a></span></span><a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=68ddaa03f2&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank"><span style="color:rgb(0,128,128)">.</span></a><br>
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<span style="color:rgb(0,128,128)"><span style="font-size:28px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><a name="150234e0fe4c07d5_Recent Reports" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline"></a>Recent
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<span style="color:rgb(128,0,0)">WMO Antarctic Ozone Bulletins</span></h3>
The first two of the 2015 series of WMO Antarctic Ozone Bulletins have been published. They can be found here:<br>
<a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=8c45cdefb5&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">http://www.wmo.int/pages/prog/arep/WMOAntarcticOzoneBulletins2015.html</a><br>
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<a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=9a9749b94e&e=3f501ec309" title="" style="word-wrap:break-word" target="_blank"><img alt="" src="https://gallery.mailchimp.com/34c664c1c564215e58ce16db5/images/09bcdc5e-894a-44ea-b51c-17297476246a.png" width="512" style="max-width: 512px; border: 0px; outline: none; text-decoration: none; vertical-align: bottom;">
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Ozone Bulletin no. 1, 2015 </td>
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<a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=c1cf8da93f&e=3f501ec309" title="" style="word-wrap:break-word" target="_blank"><img alt="" src="https://gallery.mailchimp.com/34c664c1c564215e58ce16db5/images/84ef3933-41dc-48f5-b497-e6aa6e8b85f2.png" width="512" style="max-width: 512px; border: 0px; outline: none; text-decoration: none; vertical-align: bottom;">
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<span style="line-height:20.8px">Ozone Bulletin no. 2, 2015</span> </td>
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<span style="color:rgb(128,0,0)"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span style="font-size:18px">GAW Reports</span></span></span></h3>
<h4 style="margin:0px;padding:0px;display:block;font-family:Helvetica;font-size:16px;font-style:normal;font-weight:bold;line-height:125%;letter-spacing:normal;text-align:left;color:rgb(128,128,128)!important">
The most recent GAW Reports are:</h4>
<div style="text-align:left"><span style="font-size:14px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span><a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=f4be5da736&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">GAW
 222</a> - <span style="color:rgb(0,0,0);line-height:normal;text-align:justify;text-decoration:none">Analytical Methods for Atmospheric SF₆ Using Gas Chromatography with micro Electron Capture Detector (GC-μECD), KMA Technical Note CCMD 2015-3,
 47 pp. September 2015</span></span><br>
<br>
<span style="color:rgb(0,0,0);line-height:normal"><a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=002df8d034&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">GAW
 221</a> - Report of the First Meeting of the WMO GAW Task Team on Observational Requirements and Satelitte Measurements (TT-ObsReq) as regards Atmospheric Composition and Related Physical Parameters (Geneva, Switzerland, 10-13 November 2014), 22 pp. July 2015</span></span></span></div>
<p style="margin:10px 0px;padding:0px 4px;color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small;line-height:normal;text-align:left">
<br>
<span style="font-size:14px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span><span style="color:rgb(0,0,0)"><a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=27f29d0992&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">GAW
 220</a> - Report of the Second Session of the CAS Environmental Pollution and Atmospheric Chemistry Scientific Steering Committee (EPAC SSC), Geneva, Switzerland, 18-20 February 2015, 54 pp. June 2015</span></span></span></span></p>
<p style="margin:10px 0px;padding:0px 4px;color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small;line-height:normal;text-align:left">
<br>
<span style="font-size:14px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span><span style="color:rgb(0,0,0)"><a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=a43fa3c565&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">GAW
 219</a> - Izaña Atmospheric Research Center Activity Report 2012-2014, 157 pp. June 2015</span></span></span></span></p>
<p style="margin:10px 0px;padding:0px 4px;color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small;line-height:normal;text-align:left">
<br>
<span style="font-size:14px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span><span style="color:rgb(0,0,0)"><a href="http://wmo.us11.list-manage.com/track/click?u=34c664c1c564215e58ce16db5&id=4aabf62265&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">GAW
 218</a> - Absorption Cross-Sections of Ozone (ACSO) Status Report, June 2015, 47 pp. June 2015</span></span></span></span></p>
<p style="margin:10px 0px;padding:0px 4px;color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:small;line-height:normal;text-align:left">
<br>
<span style="font-size:14px"><span style="font-family:tahoma,verdana,segoe,sans-serif"><span><span style="color:rgb(0,0,0)"><a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=ca2b4fd946&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">GAW
 217</a> - System of Air Quality Forecasting and Research (SAFAR - India), 60 pp. June 2015</span></span></span></span></p>
<br>
<span style="font-size:14px"><span style="font-family:tahoma,verdana,segoe,sans-serif">All published GAW reports are found
<a href="http://wmo.us11.list-manage1.com/track/click?u=34c664c1c564215e58ce16db5&id=ab15827b95&e=3f501ec309" style="word-wrap:break-word;color:rgb(109,198,221);font-weight:normal;text-decoration:underline" target="_blank">
<span style="color:rgb(0,128,128)">here</span></a>.</span></span> </td>
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