68.
Periodic monitoring report for vapor-sampling activities at material disposal area t, consolidated unit 21-016(a)-99, technical area 21, first quarter
69.
Phase II investigation report for the TA-16-340 complex [consolidated units 13-003(a)-99 and 16-003(n)-99 and solid waste management units 16-003(o), 16-026(j2), and 16-029(f)] revision 1