input: [CRITERIA] Sustainable cleaning products [POINTS] 10 [SCORING BASIS] 
output: Institutions earn 1/3 of available points by having an institution-wide stated preference for Green Seal or EcoLogo purchasing, and 1/3 for calculating the percentage of total expendures spent on green-certified cleaning products. Institutions earn a percentage of the remaining 1/3 of available points based on the percentage of cleaning products purchased that are green.