See if their equipment looks well-maintained or old and beat up. Their equipment is a representation of their company and how they clean. Make sure their filtration unit is big enough for a cleaning of a parking structure as well. Most garages of 300,000 square feet will have more than 50 to 300 gallons of sludge. If their filtration unit has a capacity of 60 gallons, then most likely it is undersized for the job.
Reducing humanity's impact WWF is working to reduce humanity's ecological footprint â the amount of land and natural resources needed to supply our food, water, fibre and timber, and to absorb our CO 2 emissions. Subscribe to WWF
A new briefing from the global conservation organization â Stop Climate Change: It Is Possible â highlights 15 ways in which people, business and governments can reduce CO2 emissions and help slow global warming. The report also highlights initiatives from around the world, ranging from India to Brazil, that save energy and reduce carbon pollution.