Radiation has known degrees of safety. https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10098 https://www.osha.gov/pls/oshaweb/owa

Radiation has known degrees of safety. https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10098 https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_tab... >There is no "safe" level of asbestos exposure for any type of asbestos fiber. https://www.osha.gov/SLTC/asbestos/ https://www.osha.gov/SLTC/asbestos/