Terephthalic Acid

Branding attempts by Defense Technology notwithstanding, Terephthalic Acid (“TPA”) smoke is not SAF safe.

A particular concern is the inability of police agencies to understand and communicate to the public the significant health and safety consequences of their TPA use.

… here we remain, with a Police Bureau whose understanding of chemical weapons is more inert than the munitions they litter the urban ecosystem with and City officials whose willful ignorance deceives the public with the help of ostensibly diligent media that fail to do even the simplest of background research…


This work is funded by DAPPER Stats.