{"id":14679,"date":"2025-12-03T12:02:10","date_gmt":"2025-12-03T16:02:10","guid":{"rendered":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/toxicology-analysis-of-spacecraft-air\/"},"modified":"2025-12-03T12:02:10","modified_gmt":"2025-12-03T16:02:10","slug":"toxicology-analysis-of-spacecraft-air","status":"publish","type":"post","link":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/toxicology-analysis-of-spacecraft-air\/","title":{"rendered":"Toxicology Analysis of Spacecraft Air"},"content":{"rendered":"<h2 style=\"text-align: center;\">Toxicology Analysis of Spacecraft Air<\/h2>\n<p><!-- no image --><\/p>\n<div class=\"padding-top-5 padding-bottom-3 width-full maxw-full hds-module hds-module-full alignfull wp-block-nasa-blocks-article-intro\">\n<div class=\"width-full maxw-full article-header\">\n<div class=\"margin-bottom-2 width-full maxw-full\">\n<p class=\"label carbon-60 margin-0 margin-bottom-3 padding-0\">4 min read<\/p>\n<h1 class=\"display-48 margin-bottom-2\">Preparations for Next Moonwalk Simulations Underway (and Underwater)<\/h1>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg\"><img decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?w=2048\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"SpaceX Crew-1 uses a GSC en route to the ISS\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg 5568w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=768,512 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=1024,683 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=1536,1024 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=2048,1365 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=400,267 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=600,400 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=900,600 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=1200,800 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2021\/03\/iss064e004749.jpg?resize=2000,1333 2000w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\"><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">SpaceX Crew-1 Pilot Victor Glover and Mission Specialist Shannon Walker work with a Grab Sample Container (GSC) in the SpaceX Crew Dragon Resilience spacecraft while en route to the ISS.<\/div>\n<div class=\"hds-credits\">NASA<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p>Toxicology and Environmental Chemistry (TEC) monitors airborne contaminants in both spacecraft air and water. In-flight monitors are employed to provide real-time insight into the environmental conditions on ISS. Archival samples are collected and returned to Earth for full characterization of ISS air and water.<\/p>\n<p>Real-time in-flight air analytical instruments include the Air Quality Monitors (AQM), carbon dioxide (CO<sub>2<\/sub>\u00a0monitors), and a compound specific analyzer for combustion products (CSA-CP). Real-time in-flight water monitoring capabilities include the colorimetric water quality monitoring kit (CWQMK) and the ISS total organic carbon analyzer (TOCA).<\/p>\n<p>Post-flight analyses are performed on archival samples of spacecraft air and water obtained at specific times and locations during a mission. Air archival samples are collected using \u201cgrab sample containers\u201d (GSC) and formaldehyde badges. The U.S. and Russian water recovery systems on the ISS process atmospheric moisture (U.S. and Russian systems) and urine distillate (U.S. system only) into clean, potable water for the crew to use. \u00a0The Water Kit is utilized to collect archival samples of the potable water and are routinely returned to the ground to monitor the quality of the water produced by the systems. \u00a0Samples of condensate and wastewater are also collected and returned to check for the presence of contaminants that could break through the water recovery systems.\u00a0 \u00a0<\/p>\n<h2 class=\"wp-block-heading\">Results of Post-Flight Analysis of In-Flight Air Samples\u00a0\u00a0<em>(Most Recent First)<\/em><\/h2>\n<h3 class=\"wp-block-heading\">\u00a0\u00a0 \u00a0<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2025\/12\/increment-71-report-including-ng-21-ingress-final.pdf?emrc=00cef9\">Increment 71 Report Including NG-21 Ingress and Boeing-CFT Ascent (1MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/07\/increment-69-report-including-ax2-spx28-ng19-ingress-final.pdf?emrc=f73fec\">Increment 69 Report Including Ax2 SpX28 NG19 Ingress (1MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/increment-68-report-ng18-spx26-spx27-ingress.pdf?emrc=beada4\" data-type=\"link\" data-id=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/increment-68-report-ng18-spx26-spx27-ingress.pdf?emrc=beada4\">Increment 68 Report NG18 SpX26 SpX27 Ingress (845KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/01\/increment-65-report-with-spx22-mlm-ng16-spx23-ingresses.pdf?emrc=42557d\" data-type=\"link\" data-id=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/01\/increment-65-report-with-spx22-mlm-ng16-spx23-ingresses.pdf?emrc=42557d\">Increment 65 Report with SpX22, MLM, NG16, SpX23 Ingresses (1.5MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/increment-67-report-with-oft2-and-spx25-ingress.pdf?emrc=ca5ab1\">Increment 67 Report with OFT2 and SpX25 Ingress (962KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/05\/increment-66-report-spx-24-ng-17-ingress-final-signed.pdf?emrc=69305a410fdcd\" data-type=\"URL\" data-id=\"\/wp-content\/uploads\/2023\/05\/increment-66-report-spx-24-ng-17-ingress-final-signed.pdf?emrc=69305a410fdcd\">Increment 66 Report SpX-24 NG-17 Ingress (835KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-64-including-spx-21-and-ng-15-ingress.pdf?emrc=69305a410ff6b\">Increment 64 including SpX-21 and NG-15 Ingress (897KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-63-including-htv-9-and-ng-14-ingress.pdf?emrc=69305a4110101\">Increment 63 Including HTV-9 and NG-14 Ingress (884KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss-benzene-report-increment-63-64-0.pdf?emrc=69305a41102aa\">Increment 62-63 Benzene Anomaly Report (442KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-62-including-ng-13-and-spx-20-ingress-0.pdf?emrc=69305a4110449\">Increment 62 Including NG-13 and SpX-20 Ingress (747KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-61-including-ng-12-and-spx-19-ingress.pdf?emrc=69305a4110687\">Increment 61 including NG-12 and SpX-19 Egress (1.1MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-60-including-spx18-and-htv8-ingress.pdf?emrc=69305a4110839\">Increment 60 including SpX-18 and HTV8 Ingress (1.27MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-59-report-including-ng-11-and-spacex-17-ingress.pdf?emrc=69305a41109db\">Increment 59 including NG-11 and SpX-17 Ingress (3.4MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-58-report.pdf?emrc=69305a4110b6f\">Increment 58 Report (2.78MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-57-including-ng-10-and-spx-16-ingress.pdf?emrc=69305a4110cfe\">Increment 57 including NG-10 and SpX-16 Ingress (2.71MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/spacex-demo1-ingress-sm-dm1-contingencies.pdf?emrc=69305a4110e91\">SpaceX Demo-1 Ingress SM and DM1 Contingencies (792KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-56-htv-7-ingress-and-node1-contingency-.pdf?emrc=69305a4111050\">Increment 56, HTV-7 and Node 1 Contingency Report (3.5MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-55-and-spx14-and-oa9-ingresses-report.pdf?emrc=69305a41111fa\">Increment 55 and SpX14 and OA9 Ingresses Report (1.9MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-54-and-spx-13-ingress-report.pdf?emrc=69305a41113ad\">Increment 54, including SpX-13 Ingress (877KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-53-oa-8-ingress-and-node-1-contingency-investigation.pdf?emrc=69305a411159e\">Increment 53, including OA-8 Ingress and Node 1 Contingency Investigation (743KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-52-jem-cbef-exhaust-fan-contingency-and-spx-11-spx-12-ingresse.pdf?emrc=69305a4111746\">Increment 52 Report, including JEM odor contingency, SpX-11 and SpX-12 ingress, and WPA MF bed contingency samples<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-51-and-oa-7-ingress-report.pdf?emrc=69305a41118f6\">Increment 51 and OA-7 Ingress Report (1.47MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-50-and-htv-6-spx-10-ingresses.pdf?emrc=69305a4111b69\">Increment 50 and HTV-6, SpX-10 Ingresses (2.72 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-49-oa-5-ingress-and-oil-paint-odor-investigation-report.pdf?emrc=69305a4111d7a\">Increment 49 OA-5 Ingress and Oil Paint Odor Investigation Report (3.12MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-48-spx-9-ingress-and-oil-paint-odor-investigation.pdf?emrc=69305a4111f72\">Increment 48, SpX-9 Ingress, and Oil Paint Odor Investigation Report (3.43MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-47-beam-oa-6-spx-8-ingresses-node-3-investigation.pdf?emrc=69305a411212c\">Increment 47, BEAM\/OA-6\/SpX-8 Ingresses, and Node 3 Siloxane Investigation Report (4.82MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/final-increment-46-report.pdf?emrc=69305a41122f4\">Increment 46 and Node 3 Contingency Report (4.4MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-45-oa-4-ingress.pdf?emrc=69305a41124b8\">Increment 45 and OA-4 Ingress (3MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-44-report.pdf?emrc=69305a411266a\">Increment 44 and HTV-5 Ingress Report (1.6MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-43-report.pdf?emrc=69305a4112824\">Increment 43, SpX-6 Ingress, Ethanol Investigation, and Node 1 Contingency Report (6.2MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-42-report.pdf?emrc=69305a41129b2\">Increment 42 Report (4MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-41-report.pdf?emrc=69305a4112b4e\">Increment 41 Report (3.3MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/spx5-ingress-and-node-3-contingency-report.pdf?emrc=69305a4112ce6\">Space X-5 First Ingress Air Quality and Node 3 Contingency Report (2MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/spx4-ingress-report.pdf?emrc=69305a4112e89\">SpaceX-4 First Ingress Air Quality Report (1.32MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/increment-40-toxicology-report-0.pdf?emrc=69305a411301a\">Increment 40, Orb-2\/ATV-5 Ingresses, and SM Contingency (2.92 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-increment-39-toxicology-report.pdf?emrc=69305a41131ab\">Increment 39 and SpX-3 Ingress (5.75 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-incr38-36s-return-nasa-rpt2.pdf?emrc=69305a4113350\">Increment 38 and Orb-1 Ingress (8.02 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-35s-return-mission-report-orb-d1-first-ingress-reva-1.pdf?emrc=69305a41134fc\">Increment 37 and Orb-D1 Ingress (5.9 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-assessment-iss-increment-36.pdf?emrc=69305a4113692\">Increment 36 and HTV-4 Ingress (7.22 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-assessment-iss-increment-35.pdf?emrc=69305a4113822\">Increment 35 Report (4.04 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-assessment-iss-increment-34.pdf?emrc=69305a41139bc\" data-type=\"URL\" data-id=\"\/wp-content\/uploads\/2023\/03\/bres-tox-assessment-iss-increment-34.pdf?emrc=69305a41139bc\">Increment 34 Report (5.64 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-feb-2013-contingency-sample-report.pdf?emrc=69305a4113b4f\">Feb. 2013 Contingency Sample Report (1.91 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-space-x-2-first-entry-report-1.pdf?emrc=69305a4113cee\">Space X-2 First Entry Sample Analyses (1.56 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-soyuz-31s-return.pdf?emrc=69305a4114045?emrc=69305a4113e8e\">Soyuz 31S Return Samples (2.98 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-soyuz-31s-return.pdf?emrc=69305a4114045?emrc=69305a4113e8e\">Space X-1 First Entry Sample Analysis (39 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-revised-30s-return-mission-rpt.pdf?emrc=69305a411425a\">Revised Soyuz 30 Return Samples (7.46 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-spx-demo-first-entry-rpt.pdf?emrc=69305a4114471\">Space X-Demo First Entry Sample Analysis (767 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-28s-29s-report.pdf?emrc=69305a4114664\">Soyuz 28 and Soyuz 29 Return Samples (1 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-soyuz-27-returnsamples.pdf?emrc=69305a411481d\">Soyuz 27 Return Samples (824 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-sts-134-sts-135-26s-1.pdf?emrc=69305a41149d4\">STS-134, ULF7, 26S (2 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-sts-133-ulf-5.rpt-.pdf?emrc=69305a4114bb8\">STS-133 \/ ISS-ULF5 (396 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-25s-return-mission-rpt.pdf?emrc=69305a4114d5e\">Soyuz 25S Mission Report (286 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-24s-return-mission-report.pdf?emrc=69305a4114efc\">Soyuz 24S Return Samples of ISS Air (740 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-soyuz23s.pdf?emrc=69305a41150ae\">Soyuz 23S Return Samples (593 KB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-sts-132.ulf4-msn-rpt.pdf?emrc=69305a4115254\">STS-132 \/ ISS-ULF4 (1.31 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/hhp-sts-131-19a-return-nasa-report-tables.pdf?emrc=69305a41153fa\">STS-131 \/ ISS-19A (3.55 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-sts-130.iss-20a.rpt-.pdf?emrc=69305a4115595\">STS-130 \/ ISS-20A (1.27 MB)<\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/bres-tox-msnrpt129ulf3.pdf?emrc=69305a4115740\">STS-129 \/ ISS-ULF3 (1.4 MB)<\/a><\/li>\n<\/ul>\n<div aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<div class=\"nasa-gb-align-center nasa-button-link padding-y-1 padding-x-0 hds-module aligncenter wp-block-nasa-blocks-related-link\">\n\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-and-environmental-chemistry\/\" target=\"_self\" class=\"button-primary button-primary-md link-external-false\" aria-label=\"Toxicology and Environmental Chemistry\"><br \/>\n\t\t<span class=\"line-height-alt-1\">Toxicology and Environmental Chemistry<\/span><br \/>\n\t\t<svg viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle 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aria-label=\"Share on Facebook.\"><br \/>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M9 8h-3v4h3v12h5v-12h3.642l.358-4h-4v-1.667c0-.955.192-1.333 1.115-1.333h2.885v-5h-3.808c-3.596 0-5.192 1.583-5.192 4.615v3.385z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<li class=\"social-icon social-icon-linkedin\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https%3A%2F%2Fwww.nasa.gov%2Fdirectorates%2Fesdmd%2Fhhp%2Ftoxicology-analysis-of-spacecraft-air%2F\" aria-label=\"Share on LinkedIn.\"><br \/>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4.98 3.5c0 1.381-1.11 2.5-2.48 2.5s-2.48-1.119-2.48-2.5c0-1.38 1.11-2.5 2.48-2.5s2.48 1.12 2.48 2.5zm.02 4.5h-5v16h5v-16zm7.982 0h-4.968v16h4.969v-8.399c0-4.67 6.029-5.052 6.029 0v8.399h4.988v-10.131c0-7.88-8.922-7.593-11.018-3.714v-2.155z\"><\/path><\/svg><br \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<li class=\"social-icon social-icon-rss\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/feed\/\" aria-label=\"Subscribe to RSS feed.\"><br \/>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 800 800\" aria-hidden=\"true\"><path d=\"M493 652H392c0-134-111-244-244-244V307c189 0 345 156 345 345zm71 0c0-228-188-416-416-416V132c285 0 520 235 520 520z\"><\/path><circle cx=\"219\" cy=\"581\" r=\"71\"><\/circle><\/svg><br \/>\n\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Details<\/h2>\n<\/p><\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Last Updated<\/div>\n<\/p><\/div>\n<div class=\"grid-col-8\">Dec 03, 2025<\/div>\n<\/p><\/div>\n<div class=\"grid-row margin-bottom-3\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Editor<\/div>\n<\/div>\n<div class=\"grid-col-8\">Robert E. Lewis<\/div>\n<\/div>\n<div class=\"grid-row\">\n<div class=\"grid-col-4\">\n<div class=\"subheading\">Location<\/div>\n<\/div>\n<div class=\"grid-col-8\"><a class=\"hds-location-tag-name\" href=\"https:\/\/www.nasa.gov\/johnson\/\"><span class=\"hds-meta-heading\">Johnson Space Center<\/span><\/a><\/div>\n<\/div><\/div>\n<\/p><\/div>\n<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n<div class=\"padding-top-3 border-top-1px border-color-carbon-black \">\n<div class=\"margin-bottom-2\">\n<h2 class=\"heading-14\">Related Terms<\/h2>\n<\/div>\n<ul class=\"article-tags\">\n<li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/hhp\">Human Health and Performance<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n<\/section><\/div>\n<div class=\"nasa-gb-align-full width-full maxw-full padding-x-3 padding-y-0 hds-module hds-module-full alignfull wp-block-nasa-blocks-related-articles\">\n<section class=\"hds-related-articles padding-x-0 padding-y-3 desktop:padding-top-7 desktop:padding-bottom-9\">\n<div class=\"w-100 grid-row grid-container maxw-widescreen padding-0 text-align-left\">\n<div class=\"margin-bottom-4\">\n<h2 class=\"width-full w-full maxw-full\">Explore More<\/h2>\n<\/div><\/div>\n<div class=\"grid-row grid-container maxw-widescreen padding-0\">\n<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-and-environmental-chemistry\/\" class=\"color-carbon-black\"><\/p>\n<div class=\"margin-bottom-2\">\n<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg 3000w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=300,225 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=768,576 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=1024,768 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=1536,1152 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=2048,1536 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=400,300 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=600,450 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=900,675 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=1200,900 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=2000,1500 2000w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"padding-right-0 desktop:padding-right-10\">\n<div class=\"subheading margin-bottom-1\">5 min read<\/div>\n<div class=\"margin-bottom-1\">\n<h3 class=\"related-article-title\">Toxicology and Environmental Chemistry<\/h3>\n<\/div>\n<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\"><br \/>\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewbox=\"0 0 16 16\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"><\/path><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"><\/path><\/g><\/g><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span><br \/>\n\t\t\t\t\t\t\t\t\t<\/span><br \/>\n\t\t\t\t\t\t\t\t\t<span class=\"\"><br \/>\n\t\t\t\t\t\t\t\t\t\t3 years ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n<\/p><\/div>\n<p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/hazardous-material-summary-tables-hmsts\/\" class=\"color-carbon-black\"><\/p>\n<div class=\"margin-bottom-2\">\n<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg 3000w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=300,225 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=768,576 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=1024,768 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=1536,1152 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=2048,1536 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=400,300 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=600,450 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=900,675 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=1200,900 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/541736main-hhp-toxicology1-3000x2250-1.jpeg?resize=2000,1500 2000w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"padding-right-0 desktop:padding-right-10\">\n<div class=\"subheading margin-bottom-1\">3 min read<\/div>\n<div class=\"margin-bottom-1\">\n<h3 class=\"related-article-title\">Hazardous Material Summary Tables (HMSTs)<\/h3>\n<\/div>\n<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\"><br \/>\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewbox=\"0 0 16 16\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"><\/path><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"><\/path><\/g><\/g><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span><br \/>\n\t\t\t\t\t\t\t\t\t<\/span><br \/>\n\t\t\t\t\t\t\t\t\t<span class=\"\"><br \/>\n\t\t\t\t\t\t\t\t\t\t2 hours ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n<\/p><\/div>\n<p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/exposure-guidelines-smacs-and-swegs\/\" class=\"color-carbon-black\"><\/p>\n<div class=\"margin-bottom-2\">\n<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"300\" height=\"199\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg 946w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg?resize=300,199 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg?resize=768,510 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg?resize=400,266 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg?resize=600,398 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/iss040e026221.jpg?resize=900,597 900w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"padding-right-0 desktop:padding-right-10\">\n<div class=\"subheading margin-bottom-1\">3 min read<\/div>\n<div class=\"margin-bottom-1\">\n<h3 class=\"related-article-title\">Exposure Guidelines (SMACs and SWEGs)<\/h3>\n<\/div>\n<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\"><br \/>\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewbox=\"0 0 16 16\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"><\/path><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"><\/path><\/g><\/g><\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span><br \/>\n\t\t\t\t\t\t\t\t\t<\/span><br \/>\n\t\t\t\t\t\t\t\t\t<span class=\"\"><br \/>\n\t\t\t\t\t\t\t\t\t\t3 years ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n<\/p><\/div>\n<p>\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n<\/p><\/div>\n<\/section><\/div>\n<div class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-topic-cards\">\n<div class=\"grid-container grid-container-block-lg padding-x-0\">\n<div class=\"grid-row flex-align-center margin-bottom-3\">\n<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n<h2 class=\"heading-36 line-height-sm\">Discover More Topics From NASA<\/h2>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-analysis-of-spacecraft-air\/#\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Missions<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" alt=\"\" src=\"https:\/\/www.nasa.gov\/wp-content\/plugins\/nasa-blocks\/assets\/images\/topic-cards\/topic-card-sample-1.jpg\"><\/figure>\n<\/p><\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-analysis-of-spacecraft-air\/#\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Humans in Space<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" alt=\"\" src=\"https:\/\/www.nasa.gov\/wp-content\/plugins\/nasa-blocks\/assets\/images\/topic-cards\/topic-card-sample-2.jpg\"><\/figure>\n<\/p><\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-analysis-of-spacecraft-air\/#\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Climate Change<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" alt=\"\" src=\"https:\/\/www.nasa.gov\/wp-content\/plugins\/nasa-blocks\/assets\/images\/topic-cards\/topic-card-sample-3.jpg\"><\/figure>\n<\/p><\/div>\n<p>\t\t\t<\/a><br \/>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-analysis-of-spacecraft-air\/#\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\"><\/p>\n<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n<div>\n<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Solar System<\/span><br \/>\n\t\t\t\t\t\t\t\t<svg viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<figure class=\"hds-media-background  \"><img decoding=\"async\" loading=\"lazy\" alt=\"\" src=\"https:\/\/www.nasa.gov\/wp-content\/plugins\/nasa-blocks\/assets\/images\/topic-cards\/topic-card-sample-4.jpg\"><\/figure>\n<\/p><\/div>\n<p>\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p class=\"wpematico_credit\"><small>Powered by <a href=\"http:\/\/www.wpematico.com\" target=\"_blank\">WPeMatico<\/a><\/small><\/p>\n<p><a  href=\"https:\/\/www.nasa.gov\/directorates\/esdmd\/hhp\/toxicology-analysis-of-spacecraft-air\/\"  target=\"_blank\" rel=\"noopener\">Get The Details&#8230;<\/a><br \/>\nAhmed El-Rasheedy  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Toxicology and Environmental Chemistry (TEC) monitors airborne contaminants in both spacecraft air and water. In-flight monitors are employed to provide real-time insight into the environmental conditions on ISS. Archival samples are collected and returned to Earth for full characterization of ISS air and water. 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