To avoid fumes and chemicals i d go with a putty knife and a heat gun.
How to get paint off of garage floor.
Consider purchasing a paint stripper designated for water based paints.
Depending on how big your garage is putty knife and a heat gun will work and avoid the use of chemicals.
Use another application of detergent followed by a rinse from your pressure washer or garden hose nozzle.
Https amzn to 324ixak how to remove latex paint off your garage floor with a wire brush and some dish soap.
It ll be tedious but will get the job done.
Thoroughly stir the paint and use a roller to apply.
Thick stubborn stains may require a stronger solvent.
Step 1 prepare the concrete surface.
Be careful to paint in a logical order otherwise you may end up painting yourself into a corner.
If in doubt use a stripper designed for removing oil based paints 2 x research sourcestep 3.
Remove the rag scrap the spot with a putty knife then use the sponge and soapy water to scrub away any remaining paint.
If possible remove any loose paint from concrete with a scraper or brush 1 x research sourcestep 2 apply a chemical paint stripper to the concrete surface.
Paint stains can be hard to remove.
Leave the first coat to dry and inspect your floor to see if it needs another coat.
Use a broom or shop vacuum to remove all dirt or debris.
First use a putty knife to scrape off loose paint then sweep the area around the stain.
Lay the rag on the spot and leave it there for 20 minutes.
Thoroughly clean off from your garage floor any remaining chemical residue from paint strippers and or muriatic acid.
Start at the far end of the garage and paint in long sweeping motions towards the door.
Saturate a rag with rubbing or denatured alcohol if the paint is still there.
Keep the garage floor wet one area at a time to keep the pads from becoming too worn down from the concrete under the paint.
How to remove paint from concrete garage floors.
The type of stripper you should use depends on the type of paint you are trying to remove such as water based or oil based paint.
Soak up the moisture with paper towels.
Reapply the solution as needed until you get your desired results.
However with a few simple steps you should be able to get rid of them.