{"query_echo":{"q":"","filters":{"climate_tags":["air quality monitoring"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'air quality monitoring' for facet 'climate_tags' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?climate_tags=air+quality+monitoring","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":"cer-000326","url":"https://climateinsightsdirectory.org/document/cer-000326","title":"ankerlig-power-station-_-inspection-and-calibration-of-equipment-161203-44e45bb7d5b922a6.pdf","publisher":{"name":"Centre for Environmental Rights","organization":"centre-for-environmental-rights"},"document_type":"guide","language":"en","date_published":null,"source_url":"https://cer.org.za/wp-content/uploads/2016/07/Ankerlig-Power-Station-_-Inspection-and-calibration-of-equipment-161203.pdf?x21779","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"This document is a work package and task list (Doc No.: 192/E/6, Revision 2) for the inspection and calibration of emission monitoring equipment at the Ankerlig Power Station. It outlines the safety precautions, required tools, and step-by-step technical procedures for maintaining the Continuous Emission Monitoring System (CEMS), specifically focusing on the calibration of NO, CO, and SO2 analysers using an Ultramat gas analyser.","ai_generated":true,"unit":"cer-000326#summary","date_modified":"2026-08-17"},"key_insights":[{"text":"The inspection and calibration of emission monitoring equipment is a yearly requirement that is planned to take approximately 3 hours and requires one competent person.","ai_generated":true,"unit":"cer-000326#insight-1","date_modified":"2026-08-17"},{"text":"General equipment checks include testing indication panel lamps, cleaning the compartment with a vacuum cleaner, verifying the operation of the heater and air conditioner, and inspecting filters for fouling, which is indicated by brown or yellow discoloration.","ai_generated":true,"unit":"cer-000326#insight-2","date_modified":"2026-08-17"},{"text":"The calibration procedure for NO, CO, and SO2 analysers involves using a test gas cylinder with a pressure above 5 bar, maintaining a flow of 60 to 80 l/h at a pressure of +/- 0.2 bar, and purging the system for at least 5 minutes. If the analyser display deviates by more than 2% from the test certificate values, it must be recalibrated.","ai_generated":true,"unit":"cer-000326#insight-3","date_modified":"2026-08-17"},{"text":"Specific maintenance thresholds are set for the oxygen sensor, which must be replaced if its voltage drops below 6 mV.","ai_generated":true,"unit":"cer-000326#insight-4","date_modified":"2026-08-17"}],"climate_tags":["emission monitoring","power station maintenance","air quality monitoring"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["technical procedure","maintenance guide"]}]}