Some Sunset neighbors worry that a dangerous toxic plume lurks beneath the surface of the 2500 block of Irving Street that has spread through the sandy soil into nearby homes on 26th and 27th avenues.
A 90-unit affordable housing structure is under construction at 2550 Irving St.
The plume is made up of a chemical gas called perchloroethylene/tetrachloroethylene, commonly referred to as PCE. The chlorinated solvent was often used by dry cleaners as a solvent and degreaser, before it was banned in California in January of 2023…