This slide presentation outlines the overall experience of MWH Laboratories in implementing an effective ethics program that will prevent, detect and investigate any occurrence of improper practices. Issues that are potential hurdles and roadblocks to a successful implementation of the program, and difficulties for consistent implementation, are addressed. In addition, the benefits of an effective ethics program to MWH Laboratories, to other environmental laboratories, to clients and other data users who generate data of known and documented data quality, and for ensuring data integrity are also discussed.