A method comprising: emitting, using a light source of a mobile robot, ultraviolet, UV, light to disinfect at least a portion of an area, including the at least one of a surface and an object, wherein the UV light is emitted onto one or more exposure sensors disposed in the area; plotting, using a processor of the mobile robot, a representation of the emission of the UV light onto a map of the area to generate an exposure plot, wherein the representation is of the UV light emitted on at least one of the surface, the object, and the one or more exposure sensors in the area, said representation of the emission of the UV light is based on a light emission model used by the processor; receiving, at the mobile robot, at least one from the group consisting of: images of the one or more exposure sensors, and disinfection levels measured by the one or more exposure sensors, the one or more exposure sensors change in color or output a dosage value based on dosage of UV light received; and generating, using at least at one selected from the group consisting of: (i) the mobile robot, and (ii) a remote processor a validation report characterized in that it includes at least the exposure plot, wherein the exposure plot is validated by comparing the exposure plot and at least one selected from the group consisting of: the images of the one or more exposure sensors that are captured by an image sensor of the mobile robot, and the disinfection levels measured by the one or more exposure sensors that are captured by the image sensor or received by a network interface of the mobile robot via a communications link with the one or more exposure sensors based on exposure to the UV light emitted by light source of a mobile robot. emitting, using a light source of a mobile robot, ultraviolet, UV, light to disinfect at least a portion of an area, including the at least one of a surface and an object, wherein the UV light is emitted onto one or more exposure sensors disposed in the area; plotting, using a processor of the mobile robot, a representation of the emission of the UV light onto a map of the area to generate an exposure plot, wherein the representation is of the UV light emitted on at least one of the surface, the object, and the one or more exposure sensors in the area, said representation of the emission of the UV light is based on a light emission model used by the processor; receiving, at the mobile robot, at least one from the group consisting of: images of the one or more exposure sensors, and disinfection levels measured by the one or more exposure sensors, the one or more exposure sensors change in color or output a dosage value based on dosage of UV light received; and generating, using at least at one selected from the group consisting of: (i) the mobile robot, and (ii) a remote processor a validation report characterized in that it includes at least the exposure plot, wherein the exposure plot is validated by comparing the exposure plot and at least one selected from the group consisting of: the images of the one or more exposure sensors that are captured by an image sensor of the mobile robot, and the disinfection levels measured by the one or more exposure sensors that are captured by the image sensor or received by a network interface of the mobile robot via a communications link with the one or more exposure sensors based on exposure to the UV light emitted by light source of a mobile robot. (i) the mobile robot, and (ii) a remote processor a validation report characterized in that it includes at least the exposure plot, wherein the exposure plot is validated by comparing the exposure plot and at least one selected from the group consisting of: the images of the one or more exposure sensors that are captured by an image sensor of the mobile robot, and the disinfection levels measured by the one or more exposure sensors that are captured by the image sensor or received by a network interface of the mobile robot via a communications link with the one or more exposure sensors based on exposure to the UV light emitted by light source of a mobile robot.