NYC-WTC_000233682

NYC 9/11 Public Portal Document

RESPONSE GUIDELINES

THREAT EVALUATION

Has normal activity been investigated as the cause of the threat warning? □ Yes □ No Normal activities to consider □ Utility staff inspections □ Routine water quality sampling □ Construction or maintenance □ Contractor activity □ Operational changes □ Water quality changes with a known cause □ Other

Is the threat ‘possible’? □ Yes □ No

Summarize the basis for this determination:

Response to a ‘possible’ threat: □ None □ Site characterization □ Isolation/containment □ Increased monitoring/security □ Other

Is the threat ‘credible ? □ Yes □ No

Summarize the basis for this determination:

Response to a ‘credible’ threat: □ Sample analysis □ Site characterization □ Isolation/containment □ Partial EOC activation □ Public notification □ Provide alternate water supply □ Other

Has a contamination incident been confirmed? □ Yes □ No

Summarize the basis for this determination:

Response to a confirmed incident: □ Sample analysis □ Site characterization □ Isolation/containment □ Full EOC activation □ Public notification □ Provide alternate water supply □ Initiate remediation and recovery □ Other

10 Interim Final - August 2004

CITY_21MC100_004992349

NYC-WTC_000233692