thank supervisor peskin for revisiting 5g and i want to share a letter that was sent to you by katherine dodd, but it's been signed by 23 neighborhood and martun association and signed by over 200 people in san francisco in under two weeks. a 2018 study by the u.s. national toxicology program on rorodents to clarify radio frequency radiation, frf shows long-term exposure to rfr from 2g and 3g cell phones is associatessed with an elevated risk of cancer and warns the public should take pragmatic steps to reduce exposure. the world's health organization's cancer experts concluded there's a possible link between brain cancer in people and rfr exposure. there's a consolidate the consot that the city and county of stancsanfrancisco are part of, challenging the court of appeals. the order violates the national environmental act, historic preservation act and the california environmental quality act by excluding the construction of mobile stations in small cell towers and other communication facilities. current objective standards by the san francisco public works approve up to four cell phone tower