{"id":15902,"date":"2021-04-22T13:17:23","date_gmt":"2021-04-22T17:17:23","guid":{"rendered":"https:\/\/origin-www.parsons.com\/?p=15902"},"modified":"2022-10-04T14:46:44","modified_gmt":"2022-10-04T18:46:44","slug":"sulfate-enhanced-bioremediation-of-fuel-contamination-at-former-galena-fol-alaska","status":"publish","type":"post","link":"https:\/\/www.parsons.com\/2021\/04\/sulfate-enhanced-bioremediation-of-fuel-contamination-at-former-galena-fol-alaska\/","title":{"rendered":"Sulfate Enhanced-Bioremediation Of Fuel Contamination At Former Galena FOL, Alaska"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"780\" height=\"448\" src=\"\/wp-content\/uploads\/2021\/02\/technical_webinar_innovation_2021_v2a.jpg\" alt=\"Technical Webinar\" class=\"wp-image-14550\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">A Technical Webinar Series <\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">Background\/Objectives<\/h4>\n\n\n\n<p>Our team was tasked to design, install, and operate remedies for contaminated sites at the former Galena Forward Operating Location (FOL), a former United States Air Force installation at a remote location in Alaska. Many of the sites are contaminated with fuels, including JP-4 and Arctic diesel. A component of the remedies for several sites included sulfate-enhanced bioremediation. Remedy design and operational data are presented for a JP-4 site.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Approach\/Activities<\/h4>\n\n\n\n<p>We designed a \u201cgreen\u201d approach using sulfate enhancements to address fuel contamination in portions of the aquifer that are saturated for most of the year (i.e., portions that could not be efficiently addressed by soil-vapor extraction [SVE] or bioventing). A slurry of agricultural-grade gypsum was injected into the residual non-aqueous phase liquid (NAPL) soil source zone. The gypsum dissolved over time, releasing sulfate to enhance biodegradation of fuel contaminants. The sulfate-enhanced bioremediation portion of the remedy requires no moving parts after injection and, more importantly, no electrical power. All electric power at Galena has be generated by fuel imported by barge.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Results\/Lessons Learned <\/h4>\n\n\n\n<p>The sulfate delivery system is operating as designed. Gypsum is being depleted slightly faster than anticipated, likely because groundwater flux is greater than estimated in the design. Sulfate is transported downgradient and appears to be utilized as anticipated. Fuel components in groundwater are trending toward cleanup goals.<\/p>\n\n\n\n<figure class=\"wp-block-parsons-blocks-author\"><span style=\"background-image:url(\/wp-content\/uploads\/2021\/04\/Edward_Heyse.png)\" class=\"author-avatar\" title=\"Edward_Heyse\"><\/span><h5>About The Presenter<\/h5><div class=\"author-desc\"><p>Edward Heyse, PhD, PE &#8212; Ed has more than 38 years of experience addressing contaminated sites for the Air Force and the Army. Ed is a Parsons Fellow and serves as the program manager and technical director for the Galena projects.<\/p><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-parsons-blocks-author\"><span style=\"background-image:url(\/wp-content\/uploads\/2021\/04\/Bruce_Henry.png)\" class=\"author-avatar\" title=\"Bruce_Henry\"><\/span><h5>About The Presenter<\/h5><div class=\"author-desc\"><p>Bruce Henry, PG Bruce has more than 27 years of experience with Parsons guiding environmental investigations and remediation. Bruce is the project manager for the Galena projects.<\/p><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-parsons-blocks-author\"><span style=\"background-image:url(\/wp-content\/uploads\/2021\/04\/Brian-Blicker.png)\" class=\"author-avatar\" title=\"Brian Blicker\"><\/span><h5>About The Presenter <\/h5><div class=\"author-desc\"><p>Brian has more than 25 years of experience in environmental investigations and remediation. Brian serves as the principal environmental engineer for the Galena projects.<\/p><\/div><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Watch The Webinar:<\/h4>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Parsons Technical Webinar Sulfate Enhanced Bio at Galena\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/cmhouuQFZx8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A Technical Webinar Series Background\/Objectives Our team was tasked to design, install, and operate remedies for contaminated sites at the former Galena Forward Operating Location (FOL), a former United States [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"16428,17038,14994,4911,16989,17138","_relevanssi_noindex_reason":"","footnotes":""},"categories":[7716],"tags":[],"class_list":["post-15902","post","type-post","status-publish","format-standard","hentry","category-critical-infrastructure"],"yoast_head":"\n<title>Sulfate Enhanced-Bioremediation Of Fuel Contamination At Former Galena FOL, Alaska<\/title>\n<meta name=\"description\" content=\"This months technical webinar is about Sulfate Enhanced-Bioremediation Of Fuel Contamination At Former Galena FOL, Alaska. 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