https://slavyanski.net/sb2020/story.php?title=short-story-the-reality-about-you-oirn-5 The "UCMR 5 Laboratory Approval Manual" (USEPA, 2020f) supplies much more particular steerage on EPA laboratory acceptance system and the specific method acceptance standards. EPA does not Start Printed Page 13860expect to perform further PT experiments soon after the start off of PWS checking nevertheless, laboratory audits will possible be ongoing during the implementation of UCMR 5. Tue, 20 Sep 2022 16:13:39 UTC en