Easy and reliable method to evaluate your dental unit waterline quality. Provides third-party documentation of water quality based on heterotrophic plate counts. Results are reported in a pass/fail format based on the CDC's 500 CFU/mL standard and reported in a range of 100 to 20,000 CFU/mL. Simply collect water samples from each dental unit in a separate vial and place in provided mailer. Samples are received and processed immediately. Results are faxed to you after 7 days of incubation. Laboratory testing protocols are based on the Standard Method for the Examination of Water and Wastewater, 20th edn., 1998. Ensures a safe and healthy environment for patients and staff.