This credit doesn’t require that projects purchase chemical dilution control equipment. But the intent of the credit is to minimize the use of all chemicals, including those that meet sustainability criteria listed under IEQc3.3, by introducing appropriate dilution systems into the plan. Proper use of concentrates reduces overuse of cleaning chemicals, saves money, reduces waste from packaging and minimizes the risk of improper storage and spills. If your project doesn't have one of these systems, your plan should either indicate a timeline for adopting the dilution system or thoroughly describe how your chemical management procedures still meet the intent of the credit.