Welcome to NYC DEP's Tier II Filing System (T2FS)

Due to covid-19 our staff is available to assist by emailing us at deptier2@dep.nyc.gov












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We recommend using Internet Explorer version 8 or higher to prevent any unexpected browser errors from occurring from loading, saving, or downloading information. Also, please enable Javascript in your browser settings and turn off any pop-up blockers you may have. Contact your supplier to get the Safety Data Sheet (SDS) for each reportable substance that the facility will be reporting on the Tier II report.