Rather, EPA will use the strategy from prior to the enactment of AWIA, and include 800 nationally-consultant drinking water programs serving fewer than or equal to 10,000 in the UCMR plan. Consistent with prior UCMRs, this proposed motion maintains the requirement that PWS use laboratories authorised by EPA to review UCMR 5 samples. L. How do laboratories become approved to conduct the UCMR five analyses?