Hazardous Materials Investigation 08/29/2024 INC#0458 - Hazardous Materials Investigation; INC#0458; 08:58AM; 5400 W Century Bl; #Westchester; PRELIM: LAFD was requested by hotel staff to a fifth floor guest room at the 12 story Westin Los Angeles Airport hotel, where a worker (undetermined age / gender / craft) entering the unoccupied room felt suddenly ill and exited the room, noting a 16oz water bottle as well as the room's bathtub containing a yet to be identified or described liquid. The presence of an odor, vapor or any worker contact with said liquid has yet to be determined. The worker has been medically evaluated by LAFD Paramedics and remains on scene. No other ill or injured persons have been identified. There is no escalating or off-site hazard, and any impact on hotel operations has yet to be determined. Pursuant to protocol, LAFD hazardous materials experts are on scene conducting a routine investigation.; FS 95; Batt 4; West Bureau; Council District 11; BC13 BC4 CM20 CM22 E21 E221 E263 E292 E294 E295 E64 E94 E95 EM11 HD94 JT1 RA5 RA867 SQ21 T21 T63 T92 T94 T95; CH7; 14; Brian Humphrey 08-29-24 09:54 AM

Update Hazardous Materials Investigation 08/29/2024 INC#0458 - Update Hazardous Materials Investigation; INC#0458; 10:25AM; 5400 W Century Bl; #Westchester; The worker who first entered the unoccupied guest room was an adult female housekeeper. She became suddenly nauseous after noting an odor within the room, and seeing a 16oz water bottle as well as the room's bathtub, containing a yet to be identified volume of brown liquid. An adult male security guard summoned by the housekeeper also became nauseous when he briefly entered the room. Both workers were medically evaluated by LAFD Paramedics and remain on scene. No other ill persons have been identified. There is currently no escalating or off-site hazard. Pursuant to protocol, LAFD hazardous materials experts are in the midst of a routine investigation. ; FS 95; Batt 4; West Bureau; Council District 11; BC13 BC4 CM20 CM22 E21 E221 E263 E292 E294 E295 E64 E94 E95 EM11 ER3 HD94 JT1 RA5 RA867 RA94 SQ21 T21 T63 T92 T94 T95; CH7; 14; Brian Humphrey 08-29-24 10:25 AM

Complete - Hazardous Materials Investigation 08/29/2024 INC#0458 - Complete - Hazardous Materials Investigation; INC#0458; 11:00AM; 5400 W Century Bl; #Westchester; LAFD responders, including hazardous materials experts, have concluded their investigation. The substance was categorizes as an unspecified chemical irritant, with no escalating on-site hazard. No other ill persons were identified. Los Angeles County Health HazMat officials will work with hotel staff to assure the guest room is returned to a safe and tenable state.; FS 95; Batt 4; West Bureau; Council District 11; BC13 BC4 CM20 CM22 E21 E221 E263 E292 E294 E295 E64 E66 E94 E95 EM11 ER3 HD94 JT1 RA5 RA867 RA94 SQ21 T21 T63 T92 T94 T95; CH7; 14; Brian Humphrey 08-29-24 11:17 AM

Complete - Hazardous Materials Investigation 08/29/2024 INC#0458 - Complete - Hazardous Materials Investigation; INC#0458; 11:00AM; 5400 W Century Bl; #Westchester; LAFD responders, including hazardous materials experts, have concluded their investigation. The substance was categorized as an unspecified chemical irritant, with no escalating on-site hazard. No other ill persons were identified. Los Angeles County Health HazMat officials will work with hotel staff to assure the guest room is returned to a safe and tenable state.; FS 95; Batt 4; West Bureau; Council District 11; BC13 BC4 CM20 CM22 E21 E221 E263 E292 E294 E295 E64 E66 E94 E95 EM11 ER3 HD94 JT1 RA5 RA867 RA94 SQ21 T21 T63 T92 T94 T95; CH7; 14; Brian Humphrey 08-29-24 11:17 AM