503.
Submittal of the Response to the Approval with Modification for the Plugging and Abandonment Summary Report for Wells and Boreholes for Fiscal Year 2015
504.
Approval Implementation Plan for the New Mexico Environment Department's New Groundwater Background Values for the Regional Aquifer Los Alamos National Laboratory EPA ID No. NM0890010515 HWB-LANL-GW-MISC
510.
Periodic Monitoring Report for Material Disposal Area AB Monitoring Group; Second Quarter Monitoring Year 2016 Los Alamos National Laboratory EPA ID No. NM0890010515 HWB-LANL-16-038