NYC-WTC_000233682

NYC 9/11 Public Portal Document

response guidelines

5.3 Contaminant Characterization and Transport Worksheet

Instructions The purpose of this worksheet is to heip organize information that wiii iead to the identification of the contaminant to faciiitate decisions on appropriate operational responses and provide more accurate information for public communication/notification. Contaminant identification will most likely first be a presumptive identification followed by more lengthy procedures to verify the identity of the contaminant. While validated analytical results are typically the most reliable means of contaminant identification, other information collected during the threat evaluation and site characterization may provide valuable insight regarding the identity of the contaminant.

SITE CHARACTERIZATION/THREAT EVALUATION SUMMARY

Describe the contaminant's odor, if applicable.

Describe the reportediaste of the contaminant, if applicable.. Caution: Do NOT taste the water.

What was the physical form of the contaminant? □ Solid □ Liquid □ Gas □ Slurry □ Powder □ Granules □ Other

What color was the contaminant?

Summarize additional information obtained during site characterization/threat warning that is relevant to contaminant identification.

Summarize the on-line monitoring data, consumer complaints, or witness accounts that are relevant to contaminant identification.

Field Analysis Summary

Summarize the results of the field analysis for the following parameters:

Radiation Chlorine residual pH, conductivity Cyanide Volatile chemicals Chemical weapons Biotoxins Pathogens Other

55 Interim Final - August 2004

CITY_21MC100_004992394

NYC-WTC_000233737