<alert><identifier>2520254060170378</identifier><sender>200170_AlertOC_County_of_Orange</sender><sent>2026-05-21T19:28:05-07:00</sent><status>Actual</status><msgType>Alert</msgType><source>Everbridge</source><scope>Public</scope><code>IPAWSv1.0</code><info><language>en-US</language><category>Safety</category><event>Hazardous Materials Warning</event><urgency>Immediate</urgency><severity>Extreme</severity><certainty>Observed</certainty><eventCode><valueName>SAME</valueName><value>HMW</value></eventCode><expires>2026-05-21T20:28:05-07:00</expires><senderName>200170,AlertOC,County of Orange</senderName><headline>Evacuation Order Chemical Hazard update - 05/21/2026</headline><instruction>This is the Orange County Sherriff's Department. On 05/21/26 Reference the chemical leak near Western and Lampson. Evacuate Western to Beach and Orangewood to Garden Grove Blvd. Updates will come as available. For Stanton Citizens: Care and Shelter located at: The Stanton Community Center, 7800 Katella Avenue, Stanton, CA. For Garden Grove citizens Care and Shelter-Rancho Alamitos High School:11351 Dale St, Garden Grove, CA 92841, temporary shelter until the evacuation order is lifted. Please call 714-890-4270 for more information on temporary shelter. This only affects Garden Grove and Stanton citizens in the area.</instruction><parameter><valueName>BLOCKCHANNEL</valueName><value>CAPEXCH</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>NWEM</value></parameter><parameter><valueName>BLOCKCHANNEL</valueName><value>EAS</value></parameter><parameter><valueName>EAS-ORG</valueName><value>CIV</value></parameter><parameter><valueName>CMAMtext</valueName><value>Evacuation order Chemical Hazard Update: 07:21pm - Only Garden Grove/Stanton citizens</value></parameter><parameter><valueName>WEAHandling</valueName><value>Imminent Threat</value></parameter><parameter><valueName>timezone</valueName><value>PST</value></parameter><area><areaDesc>Orange County</areaDesc><polygon>33.7957,-118.0017 33.7957,-117.9929 33.7737,-117.9927 33.7736,-118.0014 33.7957,-118.0017</polygon><geocode><valueName>SAME</valueName><value>006059</value></geocode></area></info><Signature xmlns="http://www.w3.org/2000/09/xmldsig#" xmlns:cap="http://gov.fema.ipaws.services/IPAWS_CAPService/" xmlns:resp="http://gov.fema.ipaws.services/capresponse" xmlns:ns10="urn:oasis:names:tc:emergency:cap:1.2" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:req="http://gov.fema.ipaws.services/caprequest" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><SignedInfo><CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><Reference URI=""><Transforms><Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/></Transforms><DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><DigestValue>5duWQjSx0AoWr+bq9D79TGxmhE7MGt6mRKJ8rIofRDw=</DigestValue></Reference></SignedInfo><SignatureValue>kILmIw6DY/Co4G0aktRVYsN7hcCubv9XPDde7lMIkf5HRVirtUu4Ofy7S+umui/wh6xXzw6OryX2d6OllP7xHmKxwzz/PHfGIj78+rLxiawi/xMfNGJiOiRfrQ78b9JZoJkRqr3zqsl80bOz+5kXlysld0yVBqrygz198yD0Sd67u0nJ+Lp1yIX8jrr/UnUygyS63Qoy+eWHH89jxJ46ULBLrJR41NjEhzB7qN/JD34TN1F0QljkIG9pxBDGJBLaJfEt5dy3I2vd+jchcYYgABKyEaaydRH3+/Vh+aHMxofsAD5T1ua75imUF5+5NB4sF0kToxctvXl+SNgXtLzJ0g==</SignatureValue><KeyInfo><X509Data><X509SubjectName>CN=IPAWSOPEN200170,OU=A01410C00000196F82E75D2000F873C,OU=Devices IPAWS,OU=National Continuity Programs,O=FEMA IPAWS,C=US</X509SubjectName><X509Certificate>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</X509Certificate></X509Data></KeyInfo></Signature></alert>