Question about Microsoft Surface Book 3

Does anyone know the dust protection / water protection of the Surface Book 3? IP54 against dust deposits / against water spray. IP 57 against ingress of dust / against water penetration up to 1 m depth (min. 30 minutes) IP 65 against ingress of dust / against water jets (nozzle) from any angle IP 67 against ingress of dust / against penetrating water up to 1 m depth (min. 30 minutes) IP 68 against ingress of dust / against continuous immersion in water