https://www.soilgasflux.com/nszd-science daily 0.75 2021-11-10 https://www.soilgasflux.com/nszd-science/effects-of-seasonal-soil-temperature monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623357048004-V6ON6O94FO7LI1FKBEX3/News6.4.2021.gif NSZD Science Blog - Effects of Seasonal Soil Temperature into Contaminant NSZD Rates - Make it stand out Figure 1. Data from Zeman, et al, 2014 showing biodegradation rates of petroleum contaminant microcosms incubated at different temperatures. https://www.soilgasflux.com/nszd-science/daily-fluctuations-of-nszd-rates monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623348504441-Q97PDTI2OEDS519VW2AT/DailyChanges.png NSZD Science Blog - Daily fluctuations of NSZD rate measurements - Make it stand out Ma, J., Z.‐Y. Wang, B. A. Stevenson, X.‐J. Zheng, and Y. Li (2013), An inorganic CO2diffusion and dissolution process explains negative CO2 fluxes in saline/alkaline soils, Sci. Rep., 3, 1–7, doi:10.1038/srep02025. https://www.soilgasflux.com/nszd-science/soil-gas-transport monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623348304535-28EL5CPA6BBTW4FKWZYR/SoilGasTransport.png NSZD Science Blog - NSZD and Soil-Gas Transport - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/case-studies/blog daily 0.75 2025-06-12 https://www.soilgasflux.com/case-studies/blog/repeated-surveys-at-a-field-site-for-quantification-of-lnapl-vertical-distributions monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/8ddb4420-433b-492b-bdf0-88a4936b3913/timeField.png Case studies blog - Repeated Surveys at a Field Site for Quantification of LNAPL Vertical Distributions - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/0542cc53-26d3-41e1-ad8e-d08af0d8e730/schematic_Small.png Case studies blog - 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Mobilization of NAPL as Thin Film (Sheens) at the Unsaturated Zone https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1749688938347-0O8G5MOGDJRPIP7HLGET/Picture2.png Case studies blog - Mobilization of NAPL as Thin Film (Sheens) at the Unsaturated Zone https://www.soilgasflux.com/case-studies/blog/documenting-plant-root-growth monthly 0.5 2025-07-20 https://www.soilgasflux.com/case-studies/blog/a-railyard-recieves-a-no-further-action-nfa-letter-for-results-partially-supported-by-nszd monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/7fa7915e-1152-4473-ae97-b6b155e5f597/Temp.BNSFCaseStudyIMG.JPG Case studies blog - Case Study: Taking an 85 year old railyard from enrollment in a voluntary cleanup to no further action in ≈one year. - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/case-studies/blog/radiocarbon-eliminates-interferences-in-the-measurement-of-contaminant-biodegradation-rates monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/0cc53538-62e1-4d62-bf65-6fbfc5f48264/14CPaperImage.JPG Case studies blog - Radiocarbon eliminates interferences in the measurement of contaminant biodegradation rates - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/case-studies/blog/radiocarbonanalysisstudy monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633108400360-R11D9ER0WM23UV2XOF3T/Roux+Map+thumbnail.jpg Case studies blog - A Study at a Large Oil Spill in an Urban Site in the Northeast USA Demonstrates the Use of Radiocarbon Analysis to Accurately Measure NSZD Rates - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/case-studies/blog/crccare6casestudies monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633108126680-YD9T4FWC7FQKVS9REYXP/CRC+care+fist+page.JPG Case studies blog - Six Australian case studies of LNAPL NSZD rates using multiple methods, and comparing findings with conventional active recovery efforts - 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CL:AIRE Technical Bulletin https://www.soilgasflux.com/e-flux-news-and-events/blog/lust-line-bulletin-85 monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1559764114718-C8E6ZR2O34A2MQMFBJ2O/L.U.S.T.+Natural+Source+Zone+Depletion+%28NSZD%29 News & events blog - L.U.S.T. LINE - Bulletin 85 https://www.soilgasflux.com/e-flux-news-and-events/blog/battelle-2018-9takh monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631221593866-XM03EHF7U9Y93PTUT0JT/Battelle+2019.jpg News & events blog - Visit Us at Battelle 2019 Registration and Preliminary Program available here https://www.soilgasflux.com/e-flux-news-and-events/blog/battelle-2018-highlights monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1527011626724-V1C7C7ILJN99O93THGKZ/3.jpg News & events blog - Battelle 2018 Highlights https://www.soilgasflux.com/e-flux-news-and-events/blog/csu-demo-day-2018 monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1523024053153-8D2SGC65YSZ8DRLSMAMV/Demo-Day-Banner.png News & events blog - CSU Demo Day 2018 https://www.soilgasflux.com/e-flux-news-and-events/blog/battelle-2018 monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1515187939977-BUCTXD2R5HTU567AZZ2N/ext.jpg News & events blog - Visit Us at Battelle 2018 Registration and Preliminary Program available here https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1515685970451-AIYUV1T31EM2D3Y83ISM/Booth+Photo.jpg News & events blog - Visit Us at Battelle 2018 https://www.soilgasflux.com/e-flux-news-and-events/blog/remtec-summit-2019 monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1551125242611-D7D645QSQXHW3E33LMR0/0.jpg News & events blog - The RemTec Summit https://www.soilgasflux.com/e-flux-news-and-events/blog/api-guidance-document monthly 0.5 2025-07-20 https://www.soilgasflux.com/e-flux-news-and-events/blog/navfacs-new-developments-in-lnapl-site-management monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623717763276-D45WDR3Y7RJ4Q4D9V1R7/NAVFAC.png News & events blog - NAVFAC’s ‘New Developments in LNAPL Site Management’ - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/e-flux-news-and-events/blog/navfacs-new-developments-in-lnapl-site-management-3d8dx-jd7sh monthly 0.5 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631565666888-02GX7JK665NHTZ2GUD0U/Cleantech+2014.jpg News & events blog - E-Flux Is One of the 2014 CleanTech Open Finalists - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/e-flux-news-and-events/blog/category/Event+Highlights monthly 0.5 https://www.soilgasflux.com/e-flux-news-and-events/blog/category/Events monthly 0.5 https://www.soilgasflux.com/404-errorpage daily 0.75 2021-07-01 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1517419934179-W70GOTGBN3WPR5337LKB/LNAPL+NSZD+rates+monitoring+tool 404 ErrorPage https://www.soilgasflux.com/nszd/frequently-asked-questions daily 0.75 2021-09-11 https://www.soilgasflux.com/nszd/science daily 0.75 2021-06-25 https://www.soilgasflux.com/nszd/overview daily 0.75 2021-06-25 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1517596933834-M9S2H11PGST78VONF63I/LNAPL+biodegradation+-+Natural+Source+Zone+Depletion+%28NSZD%29 NSZD Overview https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1572977599495-D5ZXA3NDV5PUYO9BU4J9/nszd+importance1.4.2019-03.jpg NSZD Overview needs caption https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1572977756093-BUUNMFJU44AXEKALFWTG/LNAPL+remediation+considering+Natural+Source+Zone+Depletion+%28NSZD%29 NSZD Overview https://www.soilgasflux.com/co2-traps/sampling-process daily 0.75 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623438218047-C16VG0ZKIO47O3ZZM6TQ/FFTheprocess.png Sampling Process - 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2024 Fact Sheet: Natural Source Zone Depletion After more than a decade of NSZD, this 2024 document is a great primer on the subject. Short , concise with five case studies of hard data using E-Flux Fossil Fuel Traps and other methods. A recommended read for new and seasoned readers interested in NSZD. Read the full document. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1662135979643-H79OTO58YFUXE9T4DFM1/image.jpg Third Party Publications - Expressions of Biodegradation, Such as CO2, Have Multiple Sources Radiocarbon allows differentiating between CO2 from fossil fuel origin, from that of non-contaminant related sources. See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1635537673428-TFAHUYU2Y7CRWWS1P4IH/image-asset.png Third Party Publications - Integrating NSZD into Remediation Optimization at a Long-Term LNAPL Site Integrating NSZD Remediation Optimization at a Long-Term LNAPL Site See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633983541250-D5BI5XH8GU2KF9BRC4MG/image-asset.png Third Party Publications ESTCP Report: Post-Remediation Performance Assessment at a Petroleum Impacted Site See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633367322151-8I8QHS2US33WJJ8JU9EO/image-asset.jpeg Third Party Publications CRC Care, an independent organization dedicated to the remediation of contaminated soil, water, and air; published on March 2020 its technical report no. 47 about a comparison of NSZD to active remedies on six LNAPL contaminated sites. See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1635526991689-03Q0878UY1GE36V51MPD/AECOM+Shell+map+of+trpas.png Third Party Publications - Remedy Operation Status Report and Remedial Monitoring Report for an LNAPL contaminated site in Northeastern USA Remedy Operation Status Report and Remedial Monitoring Report for an LNAPL contaminated site in Northeastern USA See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633982385527-XDLJEL7T3B2SFQA8XTXW/image-asset.jpeg Third Party Publications A Study at a Large Oil Spill in an Urban Site in the North East USA Demonstrates the Use of Radiocarbon Analysis to Accurately Measure NSZD Rates See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1635527057022-LYNPKZAKK9H8MSZODI9E/C14+graph+slide.png Third Party Publications - Comparison of NSZD Characterization methods Comparison of NSZD Characterization methods See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631304728718-ODI27V02QBPRWPAAEM44/Cl%253Baire%2Bsnip.jpg Third Party Publications - An Introduction to NSZD at LNAPL sites CL:AIRE, a non-profit organization in the UK, published Technical Bulletin 20 (TB20): An Introduction to Natural Source Zone Depletion at LNAPL Sites. The document is short but concise, a bird-eye’s view on NSZD. See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633374728586-V9U6MQ0AMY8G0GDN5SBP/image-asset.png Third Party Publications The role of natural source zone depletion in the management of light non-aqueous phase liquid (LNAPL) contaminated sites See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633368130492-GGFMFN8VTUYWA03VOIS9/BlogImages-12.png Third Party Publications - CRC Care Technical Report This is a state of the practice document geared towards the implementation of techniques and development of site-specific plans. Published by an Australian independent organization. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631304396417-E8EBJC6FSDHAS8T5DPOW/ITRC+NSZD+Guidance+Document.png Third Party Publications - ITRC 2018 NSZD Guidance Document The ITRC 2018 LNAPL document updates include natural source zone depletion (NSZD) rate measurement techniques, LNAPL transmissivity, remediation technologies, sheens, and others. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631304087307-DPAAUD2SCQ7ZQS0JE40J/BlogImages-09.png Third Party Publications - FRTR NSZD Resources The FRTR has published an excellent natural source zone depletion (NSZD) write-up, as an In Situ Biological Remedy within their Technology Screening Matrix. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631654894164-GLMP3KBVU6G6NVQOT6AM/BlogImages-10.png Third Party Publications - NAVFAC LNAPL Site Management Document This document summarizes new developments in the area of natural source zone depletion (NSZD) and reviews key tools for evaluating the practicability of Total Petroleum Hydrocarbons (TPH) and LNAPL recovery. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1627571660565-15QH6J4NLW3KZU4XC8WL/BlogImages-13.png Third Party Publications - API NSZD Guidance Document This important guide is focused on the quantification of NSZD through the measurement of CO₂ efflux, and acknowledges the important role of carbon isotope analysis in this NSZD quantification. Get the publication from API’s website. https://www.soilgasflux.com/co2-traps/get-a-quote daily 0.75 2021-07-21 https://www.soilgasflux.com/co2-traps/resources daily 0.75 2025-07-21 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623442938288-4YFLNHNFWUKF8WUCE9HA/FFDeployed.png Fossil Fuel Trap Resources - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623442938288-4YFLNHNFWUKF8WUCE9HA/FFDeployed.png Fossil Fuel Trap Resources - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/resources/randd daily 0.75 2025-07-21 https://www.soilgasflux.com/about-e-flux/our-team daily 0.75 2025-07-21 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1513717305170-SIWCHZ3R3DK16MQITWTC/Julio.png Our Team https://www.soilgasflux.com/about-e-flux/who-we-are daily 0.75 2025-07-21 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623715600891-MC06ZF1HFP2BPTCSD2MN/Webimages_2021-31.png Who we are - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623715306919-T1NZ5E7V2BUAYJSJ0JZ3/RIC.jpg Who we are - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623715600891-MC06ZF1HFP2BPTCSD2MN/Webimages_2021-31.png Who we are - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1623715306919-T1NZ5E7V2BUAYJSJ0JZ3/RIC.jpg Who we are - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/e-flux-news-events daily 0.75 2026-03-30 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/8c720643-a11e-480a-95b1-cea8930e7a84/SanDiegoPicWText.jpg News & Events - Make it stand out Our first tradeshow in 2026! This was an excellent, content-rich meeting that allowed us to visit our friends in the US West Coast. Thank you for visiting our booth, and also attending our presentations: “NSZD as the Cornerstone of Sustainable NAPL Remediation” and “Clear-Well: A Novel Repeatable Non-Destructive Method for Fluorescence-Based HRSC Characterization of Contaminated Soils”. https://www.soilgasflux.com/about-e-flux/contact-us daily 0.75 2025-07-20 https://www.soilgasflux.com/co2-traps/the-science daily 0.75 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1625576435628-Q4X6DCT8XHU6JLWVP5AE/FF_5.gif Product overview https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1625576435628-Q4X6DCT8XHU6JLWVP5AE/FF_5.gif Product overview https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1517420171961-A2MWC5VB4L0PFO5SNVHB/LNAPL+NSZD+rates+pasive+monitoring+tool Product overview A Fossil Fuel Trap installed in the field showing the transport of Modern CO₂, Fossil Fuel CO₂, and atmospheric CO₂ contributions. https://www.soilgasflux.com/clear-well-overview daily 0.75 2025-07-21 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/7ced10ef-d35f-4bb3-9b44-2b2855167073/upscaled-2x-6_long.jpg Product Overview https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/6a755b8a-f662-4420-a34a-874d9ae693cf/uv-2.jpg Product Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e6230232-3289-4016-a59c-dc0f7323d58f/CaseStudies.png Product Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/7ced10ef-d35f-4bb3-9b44-2b2855167073/upscaled-2x-6_long.jpg Product Overview https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/6a755b8a-f662-4420-a34a-874d9ae693cf/uv-2.jpg Product Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/f109109b-4d4b-4406-b2dc-4e1b62ce5903/Image+7-15-24+at+2.07+PM.jpg Product Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e6230232-3289-4016-a59c-dc0f7323d58f/CaseStudies.png Product Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/5def1cb1-1d79-4fc0-b6b3-0467adb9f029/Image+7-15-24+at+2.12+PM.jpg Product Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/clear-well-get-a-quote daily 0.75 2025-07-20 https://www.soilgasflux.com/clear-well-installation-and-surveys daily 0.75 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/d74c6452-1e3c-4f2f-acd9-e2c25867419f/mail_100dp_1F1F1F_FILL0_wght400_GRAD0_opsz48.png Installation and Surveys - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/f67d80db-ca76-40e9-8406-470adfa73a7e/conversion_path_100dp_1F1F1F_FILL0_wght400_GRAD0_opsz48.png Installation and Surveys - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e86c8be4-f783-4eca-8da7-cb6bfddc09ce/chip_extraction_100dp_1F1F1F_FILL0_wght400_GRAD0_opsz48.png Installation and Surveys - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1749082540210-0JBS4GJT8EYDBDE5UJJ9/upscaled-2x-Screenshot+2025-04-25+124324brochure.png Installation and Surveys https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1721156316326-XD2BFBF1B0BJH3ITSIAB/Screen+Shot+2024-07-15+at+2.17.10+PM.png Installation and Surveys https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1721156373889-P02K6QEP5G18K0WVZWKG/Screen+Shot+2024-07-16+at+11.30.32+AM.png Installation and Surveys https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1749083239295-7JVYMJDYOJ8R0APZIKXA/upscaled-2x-6_long.jpg Installation and Surveys https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e6230232-3289-4016-a59c-dc0f7323d58f/CaseStudies.png Installation and Surveys https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/f3dc35d4-86bb-4a5f-ad1d-e323807f637e/timeField.jpg Installation and Surveys https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/d74c6452-1e3c-4f2f-acd9-e2c25867419f/mail_100dp_1F1F1F_FILL0_wght400_GRAD0_opsz48.png Installation and Surveys - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/f67d80db-ca76-40e9-8406-470adfa73a7e/conversion_path_100dp_1F1F1F_FILL0_wght400_GRAD0_opsz48.png Installation and Surveys - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e86c8be4-f783-4eca-8da7-cb6bfddc09ce/chip_extraction_100dp_1F1F1F_FILL0_wght400_GRAD0_opsz48.png Installation and Surveys - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/clear-well-case-studies daily 0.75 2025-07-21 https://www.soilgasflux.com/clear-well-resources daily 0.75 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/3721c06d-7875-4997-b5dc-8ff47d4939ac/uv-2.png Clear Well Resources - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/3721c06d-7875-4997-b5dc-8ff47d4939ac/uv-2.png Clear Well Resources - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.soilgasflux.com/eflux-case-studies daily 0.75 2025-06-19 https://www.soilgasflux.com/e-flux/home daily 1.0 2025-07-21 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/d288a5cf-0d1a-4a63-9fa0-ff749ace8ebb/Artboard+3.png https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e2d8e640-7537-4faa-90fa-465e6a7d1966/Artboard+4.jpg https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/54756c99-26fe-4afa-976d-8eb08ec4044d/Publications.png https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e6230232-3289-4016-a59c-dc0f7323d58f/CaseStudies.png https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/e0e32c64-4f21-4f08-9d42-f657218741ee/NSZD.png https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/4438bc8d-d539-4330-ada3-28dcc9f18aec/R%26D.png https://www.soilgasflux.com/resources/third-party-publications/index daily 0.75 2025-07-20 https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1724784595988-PYBOAF6HGAXSVZ01PTQ2/BlogImages-13.png Third Party Publications - Index - 2024 Fact Sheet: Natural Source Zone Depletion (Copy) 2024 Fact Sheet: Natural Source Zone Depletion After more than a decade of NSZD, this 2024 document is a great primer on the subject. Short , concise with five case studies of hard data using E-Flux Fossil Fuel Traps and other methods. A recommended read for new and seasoned readers interested in NSZD. Read the full document. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1662135979643-H79OTO58YFUXE9T4DFM1/image.jpg Third Party Publications - Index - Expressions of Biodegradation, Such as CO2, Have Multiple Sources (Copy) Expressions of Biodegradation, Such as CO2, Have Multiple Sources Radiocarbon allows differentiating between CO2 from fossil fuel origin, from that of non-contaminant related sources. See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1635537673428-TFAHUYU2Y7CRWWS1P4IH/image-asset.png Third Party Publications - Index - Integrating NSZD into Remediation Optimization at a Long-Term LNAPL Site (Copy) Integrating NSZD into Remediation Optimization at a Long-Term LNAPL Site Integrating NSZD Remediation Optimization at a Long-Term LNAPL Site See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633983541250-D5BI5XH8GU2KF9BRC4MG/image-asset.png Third Party Publications - Index ESTCP Report: Post-Remediation Performance Assessment at a Petroleum Impacted Site See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633367322151-8I8QHS2US33WJJ8JU9EO/image-asset.jpeg Third Party Publications - Index CRC Care, an independent organization dedicated to the remediation of contaminated soil, water, and air; published on March 2020 its technical report no. 47 about a comparison of NSZD to active remedies on six LNAPL contaminated sites. See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1635526991689-03Q0878UY1GE36V51MPD/AECOM+Shell+map+of+trpas.png Third Party Publications - Index - Remedy Operation Status Report and Remedial Monitoring Report for an LNAPL contaminated site in Northeastern USA (Copy) Remedy Operation Status Report and Remedial Monitoring Report for an LNAPL contaminated site in Northeastern USA Remedy Operation Status Report and Remedial Monitoring Report for an LNAPL contaminated site in Northeastern USA See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633982385527-XDLJEL7T3B2SFQA8XTXW/image-asset.jpeg Third Party Publications - Index A Study at a Large Oil Spill in an Urban Site in the North East USA Demonstrates the Use of Radiocarbon Analysis to Accurately Measure NSZD Rates See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1635527057022-LYNPKZAKK9H8MSZODI9E/C14+graph+slide.png Third Party Publications - Index - Comparison of NSZD Characterization methods (Copy) Comparison of NSZD Characterization methods Comparison of NSZD Characterization methods See the Publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631304728718-ODI27V02QBPRWPAAEM44/Cl%253Baire%2Bsnip.jpg Third Party Publications - Index - An Introduction to NSZD at LNAPL sites (Copy) An Introduction to NSZD at LNAPL sites CL:AIRE, a non-profit organization in the UK, published Technical Bulletin 20 (TB20): An Introduction to Natural Source Zone Depletion at LNAPL Sites. The document is short but concise, a bird-eye’s view on NSZD. See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633374728586-V9U6MQ0AMY8G0GDN5SBP/image-asset.png Third Party Publications - Index The role of natural source zone depletion in the management of light non-aqueous phase liquid (LNAPL) contaminated sites See the publication https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1633368130492-GGFMFN8VTUYWA03VOIS9/BlogImages-12.png Third Party Publications - Index - CRC Care Technical Report (Copy) CRC Care Technical Report This is a state of the practice document geared towards the implementation of techniques and development of site-specific plans. Published by an Australian independent organization. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631304396417-E8EBJC6FSDHAS8T5DPOW/ITRC+NSZD+Guidance+Document.png Third Party Publications - Index - ITRC 2018 NSZD Guidance Document (Copy) ITRC 2018 NSZD Guidance Document The ITRC 2018 LNAPL document updates include natural source zone depletion (NSZD) rate measurement techniques, LNAPL transmissivity, remediation technologies, sheens, and others. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631304087307-DPAAUD2SCQ7ZQS0JE40J/BlogImages-09.png Third Party Publications - Index - FRTR NSZD Resources (Copy) FRTR NSZD Resources The FRTR has published an excellent natural source zone depletion (NSZD) write-up, as an In Situ Biological Remedy within their Technology Screening Matrix. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1631654894164-GLMP3KBVU6G6NVQOT6AM/BlogImages-10.png Third Party Publications - Index - NAVFAC LNAPL Site Management Document (Copy) NAVFAC LNAPL Site Management Document This document summarizes new developments in the area of natural source zone depletion (NSZD) and reviews key tools for evaluating the practicability of Total Petroleum Hydrocarbons (TPH) and LNAPL recovery. See the publication. https://images.squarespace-cdn.com/content/v1/5a395d9b1f318d8997ed931a/1627571660565-15QH6J4NLW3KZU4XC8WL/BlogImages-13.png Third Party Publications - Index - API NSZD Guidance Document (Copy) API NSZD Guidance Document This important guide is focused on the quantification of NSZD through the measurement of CO₂ efflux, and acknowledges the important role of carbon isotope analysis in this NSZD quantification. Get the publication from API’s website.