{"query_echo":{"q":"","filters":{"analysis_type":["emission reduction assessment"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'emission reduction assessment' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=emission+reduction+assessment","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"catf-000541","url":"https://climateinsightsdirectory.org/document/catf-000541","title":"صحيفة حقائق الفرص التي أبلغ عنها الشرآاء رقم ٥٠٥","publisher":{"name":"Clean Air Task Force","organization":"clean-air-task-force"},"document_type":"fact sheet","language":"ar","date_published":"2004-09","source_url":"https://cdn.catf.us/wp-content/uploads/2025/12/03113650/AR_convert-water-tank-blanket.pdf","generator":"Climate Insights Directory","generated_fields":["summary","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document outlines a practice reported by Chevron U.S.A. Production Company to replace methane-rich natural gas used for blanketing water storage tanks with produced CO2-rich gas. This conversion prevents the formation of explosive mixtures in tanks while reducing the venting of methane into the atmosphere. A specific implementation across nine units at a water treatment plant resulted in an annual saving of 32,600 thousand cubic feet of methane gas. The document notes that while CO2-rich gas is a better alternative, it can form acid when dissolved in produced water, necessitating internal tank lining to prevent corrosion.","ai_generated":true,"unit":"catf-000541#summary","date_modified":"2026-10-23"},"key_insights":[],"climate_tags":["methane emissions","carbon dioxide","fossil fuel industry"],"geography_discussed":["United States"],"frame_perspective":[],"analysis_type":["technical case study","emission reduction assessment"]}]}