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External & Internal Notifications Certain releases must be reported to the City of Stockton, San Joaquin County Environmental Health Department and CalOES. If in doubt, consult your chemical-environmental engineer (Stephen Koeler) before contacting the above agencies. Verbal (phone)notifications should be completed immediately or as soon as it is practically possible after the initial assessment of the situation is completed, and the containment /cleanup action is initiated. In most cases, a written report will also need to be completed at a later date. A list of the agency phone numbers is included in Attachment 4 -Emergency Contact List When notifying an agency, be prepared to answer the following questions: • Your name,telephone number where you can be reached, facility address. • Date, time and location/source of the release. • Estimated quantity of materials or waste involved • A brief description of the circumstances surrounding the incident, if known. • Steps which are being taken to contain and clean up the release. If the exact quantity released is not known,you must still report the incident. Dealing with an "unknown" volume or weight of a release does not relieve you from the responsibility to report. POTW—City of Stockton The POTW must be notified of any discharge to the city wastewater system in one of the following situations: • The release (chemical spill or slug discharge)enters directly into a sanitary (or storm) sewer(and is likely to cause an upset at the wastewater collection and treatment system operated by the POTW); or • The release enters an internal process drain system via floor pit, trench or internal floor drain and it is causing or expected to cause an impact on the DAF performance and result in a violation of the discharge permit conditions or limits. Consult the discharge permit and the Stockton, CA sewer ordinance for details of the POTW reporting requirements. After the initial phone notification, a formal written release incident report will be typically required. Follow directions provided in your discharge permit and/or instructions received during the initial phone notification.