I have my puppy of 7 weeks and i want to 'Flea bomb' my room/place out the back. Directions for the 'Flea bomb' is close all windows/doors and seal any drafts for 2 hours and after 2 hrs, air the rooms for 30mins. In this time I want to take my puppy to my main house and let the bomb do its thing. My questions I am very curious to know is, (and may sound stupid) is there anything toxic, or chemical or any harm the bomb could leave to affect the puppy itself? Will this cause any health risks/nausea or any side effects to the puppy? This is basically me waiting for the bomb to do its thing, 2hrs+30mins+30mins then me entering the room with the pup.