The hazardous waste items expired and are currently being stored on the Gilead Sciences, Inc. located at 333 Lakeside Drive, Foster City, CA 94404. DTSC has determined as a-safety precaution to prevent an accident or severe injury, an Emergency Permit should be issued to chemically stabilize the hazardous waste prior to transportation off-site by Clean Harbors Environmental Service (CHES). The treatment of the hazardous waste Involves the addition of solution to the containers in a controlled manner to reduce the reactive or ignitable characteristics of the chemicals. Treatment will take place within a designated exclusion zone. Only technicians from CHES will be allowed in the exclusion zone. Movement, preparation, and treatment of the items will be in accordance with established standards. Within 10 business days of the expiration of this permit, Gilead will submit a final report, signed in accordance with Title 22, California Code of Regulations section 66270.11 (d). The report shall include certification that the treatment area has been cleared of all residual hazardous waste generated from this emergency treatment and all generated waste has been properly managed. The Emergency Permit is effective beginning April 17, 2019 and shall expire on June 15, 2019.