NYC-WTC_000233682

NYC 9/11 Public Portal Document

response guidelines Does the contaminant have a method of secondary transmission? □ Yes □ No □ Unknown Describe

Is an approach available to prevent undesirable health effects from the contaminant? □ Yes □ No □ Unknown Describe

Are there treatments available for individuals exposed to the contaminant? □ Yes □ No □ Unknown Describe

Are health standards for the contaminant available? □ Yes □ No □ Unknown Describe

By which exposure route(s)? □ Ingestion □ Inhalation □ Dermal □ Ocular

List the levels for each exposure route.

Contaminant Treatment Information

Treatment Types Could be used to Degradation products Rating of effectiveness treat the formed as a consequence (poor, fair, good) of percent contaminant? of treatment effectiveness Lime softening_____ L Yes L No Reverse osmosis L Yes L No Standard chlorination L Yes L No Enhanced L Yes L No chlorination Standard filtration L Yes L No Enhanced filtration L Yes L No Membrane filtration L Yes L No Nanofiltration L Yes L No Electrodialysis_____ L Yes L No Cation exchange L Yes L No resin Anion exchange resin L Yes L No Activated alumina L Yes L No Chloramine L Yes L No Chlorine dioxide L Yes L No Standard UV L Yes L No Enhanced UV L Yes L No Standard ozone L Yes L No Enhanced ozone L Yes L No Standard GAC L Yes L No Enhanced GAC L Yes L No Standard air stripping L Yes L No Enhanced air L Yes L No stripping Other Methods L Yes L No

58 Interim Final - August 2004

CITY_21MC100_004992397

NYC-WTC_000233740