Specifically whenever: A laboratory engages in an activity or procedure not covered by the chemical hygiene plan. Laboratory work involves the use of certain types of hazardous chemicals or physical ...

Near surface geophysics is the use of ... in changing the operating environment for the instruments. Our laboratory is developing methods for magnetic and VLF systems in conjunction with UAVs to ...

None of the real-life samples showed infected cells from the COVID virus at any time during the study, while laboratory-adapted samples remained viable on surfaces for varying amounts of time.