http://mothering.com/green-living/good-housecleaning

"There are five basics that I use for nontoxic cleaning: baking soda, vinegar, a good soap or detergent, washing soda, and tea tree oil. I believe you can clean everything in the house with these items. Rachel liked the simplicity of having to learn about only five ingredients. She also felt less vulnerable the more she took charge of the number of chemicals coming into her house."