{"id":488,"date":"2016-03-25T22:00:11","date_gmt":"2016-03-25T22:00:11","guid":{"rendered":"http:\/\/newvista.cira.colostate.edu\/Improve\/?page_id=488"},"modified":"2025-12-16T23:30:41","modified_gmt":"2025-12-16T23:30:41","slug":"carbon-analysis","status":"publish","type":"page","link":"https:\/\/vista.cira.colostate.edu\/Improve\/carbon-analysis\/","title":{"rendered":"Carbon Analysis"},"content":{"rendered":"\n<p>Carbon Analysis is conducted by the Desert Research Institute (DRI).<\/p>\n\n\n\n<p>Starting with the January 2005 filters, DRI began using an upgraded TOR analyzer for the carbon analysis. &nbsp;The new procedures are described in the SOPs below.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Model 2015. &nbsp;New Method<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/IMPROVEA_Model2015_2-226r7.pdf\">DRI Model 2015 Multiwavelength Thermal\/Optical Carbon Analysis (TOR\/TOT) of Aerosol Filter Samples &#8211; Method IMPROVE_A (2-226r7)<\/a> (12\/2021) <\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/QUARTZPREFIRE_2-106r11.pdf\">Prefiring of quartz filters (2-106r11)<\/a> (05\/2024)<\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/ShippingCOCIMPROVE_2-111r6_20251205.pdf\">IMPROVE Sample, Shipping, Receiving, and Chain-of-Custody (2-111r6)<\/a> (12\/2025)<\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/Oxygen%20Measurement%20SOP_4_119r0.pdf\">Trace Oxygen Level Measurements (4-119r0)<\/a> (02\/2018)<\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/PIPETTECAL_4-005r0_20180207.pdf\">Pipette Calibration Verification (4-005r0)<\/a> (02\/2018)<\/p>\n\n\n\n<p><strong>Archived Versions<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/archived\/IMPROVEA_Model2015_2-226r1_20160125.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">DRI Model 2015 Multiwavelength Thermal\/Optical Carbon Analysis (TOR\/TOT) of Aerosol Filter Samples \u2013 Method IMPROVE_A (2-226r1) &#8211; Revision 1<\/a> (01\/2016)<\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/archived\/Prefiring_2-106R5.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Prefiring of quartz filters (2-106R5)<\/a> (11\/2005) <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Model 2001. &nbsp;Previous Method<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/SOPs\/DRI_SOPs\/archived\/IMPROVEA_Model2001_2-216r3_2012.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">DRI Model 2001 Thermal\/Optical Carbon Analysis (TOR\/TOT) of Aerosol Filter Samples \u2013 Method IMPROVE_A (2-216r3)<\/a>\u00a0 (10\/2012)<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Carbon Analysis is conducted by the Desert Research Institute (DRI). Starting with the January 2005 filters, DRI began using an upgraded TOR analyzer for the carbon analysis. &nbsp;The new procedures are described in the SOPs below. Model 2015. &nbsp;New Method DRI Model 2015 Multiwavelength Thermal\/Optical Carbon Analysis (TOR\/TOT) of Aerosol Filter Samples &#8211; Method IMPROVE_A [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-488","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages\/488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/comments?post=488"}],"version-history":[{"count":15,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages\/488\/revisions"}],"predecessor-version":[{"id":4738,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages\/488\/revisions\/4738"}],"wp:attachment":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/media?parent=488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}