Researchers And Science Ready To Help EJ Communities
DTSC staff and the DELTA Group of UC Davis invited Jesse Marquez, far left, seated, of the Wilming‐ ton EJ community to help install an air moni‐ tor atop a local building. Left, Prof. Thomas A. Cahill and David Barnes of DELTA listen as an EJ resident talks about air pollution..
I n May 2009, DTSC formed a contractual partnership with the DELTA Group of the University of California‐Davis to research the deposition of hazardous waste particulate matter.
both within close proximity to a rail yard. Both sites will include sampling of coarse particles in air, which will deposit on sur‐ faces, which can then be directly trans‐ ferred to people by contact.
Design and test a Green‐Air‐System at UCDavis and then field test the system at a local residence to prove out the technol‐ ogy. The intent is to create clean air by re‐ moving particulates and use of “green” conditioning systems to create cooled or warmed air as required. The resulting air would then be used to create a positive pressure of clean air that will keep the ex‐ ternal contaminated air from infiltrating due to normal air exchange.
Evaluate mitigation options which have quick implementation timelines. Some technological solutions have longer imple‐ mentation times because of replacement schedules while other mitigation methods can be implemented upon approval, such as vegetative barriers, setbacks, and sched‐ uling changes.
DELTA is a leader in the collection, identifica‐ tion and study of aerosols, especially those containing ultra‐fine particles that can embed in the human body and damage health. And its founder, Professor Thomas A. Cahill, worked with UC‐Davis scientists to analyze World Trade Center air after the Sept. 11, 2001, terrorist attack and detailed the toxic con‐ tents and potential health impacts.
These days, the DELTA Group is com‐ mitted to reducing adverse human health im‐ pacts caused by the emission, transport and deposition of harmful particles and uses ad‐ vanced sampling and analysis to track parti‐ cles back to the source via identification of a distinctive “chemical signature.”
DELTA joined DTSC in the San Bernar‐ dino/Riverside counties bus tour in August 2009. Since the formation of the Inland Valley Task Force and in response to community con‐ cerns, DELTA has made a commitment to do the following:
Evaluate if toxic particle deposition is a problem by conducting sampling during the 2009‐2010 winter at two locations,