This standard determines an ideal application rate of emulsified asphalt for use as a fog seal. 1.2. A fog seal is the light application of emulsified asphalt to the pavement surface@ which may be used to provide a surface seal@ arrest light raveling@ or create color contrast between traffic lanes and shoulders to improve visibility. Fog seals are also applied to newly placed chip seals to lock in loose chips and provide a more aesthetically pleasing finished product.