USSC manufactures several foam marking formulations to temporary mark construction sites spray areas. One, a concentrated liquid that needs to be diluted and used with most foam spray application equipment. Second, a unique, convenient to use aerosol can foam spray. It does not need any special compressor based equipment for foam application. Activate the aerosol can manually or use long hand wand to temporary mark areas with the aerosol cans to accurately, efficiently, methodically apply green grass dye, paint, fertilizer, pesticides or herbicides on the marked areas.