The citizens' initiative "Höchster Schnüffler un' Maagucker e.V." informs about the incident of 1993 on their website: they give a brief overview over the timeline and about the disputes of the BIPS and the Health Department Frankfurt in 2005 and 2007.
Höchster Schnüffler un' Maagucker e.V. Kontakt Thomas Schlimme, "Website about Hoechst 1993 accident of "Höchster Schnüffler un' Maagucker e.V.", contributed by , Disaster STS Network, Platform for Experimental Collaborative Ethnography, last modified 13 July 2021, accessed 22 January 2022.