[header] How to clean rat droppings [title] Ventilate the space where you will clean. [step] Open the doors and windows of the area where you need to clean the droppings. Ventilate this space for at least 30 minutes before you begin cleaning. 
If you are dealing with a very large number of droppings, wear a face mask or ventilator while cleaning. [substeps] Consider wearing an eye mask when cleaning after large infestations of rats.