Specifications include, but are not limited to: The cleaner shall consist of synthetic detergents, cleaning and wetting agents, and mild abrasives uniformly suspended in the product. The cleaner shall not contain phosphates or phosphorous compounds, chlorinated bleach or color altering agents. 3.2 Performance: The cleaner shall meet the following requirements at the use-dilution specified on the label: 3.2.1 The pH of the product shall either be citric acid based from 4.5 to 6.5 or caustic based from 7.5 to 11.5 when tested in accordance with ASTM E70. 3.2.2 The product shall not be flammable or be a primary skin irritant to normal skin. 3.2.3 The product shall be free rinsing and shall be readily biodegradable.