Document n9r4y66QdrBJgrmdggrZjz0Ba

Part A Response Part A - to be submitted within 24 hours of the incident Permit Number Name Of Operator Location Of Installation Time and date of the detection BU5453IY AGC Chemicals Europe Ltd Hillhouse International, Thornton Cleveleys, Lancashire 01/04/2023 08:00 - 10:00 (a) Notification requirements for any malfunction, breakdown or failure of equipment or techniques, accident or fugitive emission of a substance not controlled by an emission limit which has caused, is causing or may cause significant pollution To be notified within 24 hours of detection Date and time of event 01/04/2023 08:00 - 10:00 Reference or description of the location of the event Process gas release from Steam Pyrolysis 2 (SP2). Description of where any release into the environment took place Air emission, process gas release from SP2. Substance(s) potentially released Best estimate of the quantity or rate of release of substance(s) Process gas containing: Tetrafluoroethylene (TFE) Chlorodifluoromethane (R22) Hexafluoropropylene (HFP) Trifluoroethylene (3FE) Difluoromethane (R32) Vinylidene fluoride (VDF) Initial estimate based on information available at the time of the release: Substances released TFE R22 HFP Difluoromethane 3FE VDF kg 193.39 61.29 33.23 0.08 0.18 0.00 AGCCE will provide context of release in terms of permit limits and emissions from w/c 27/03/2023 within the Part B submission. Measures taken, or intended to be taken, to stop any emission To be reviewed following abnormal event investigation. Potential cause due to lowering of the level in SP2 cooling or caustic tower allowing gas to flow through the SP lute and into the waste acid tank.