July 4 Frequencies/Talkgroups Found

Here's what I found during a day of monitoring on July 4:

162.2500 [173.8] Capitol Police (Ch. 4)
166.7250 [127.3] Park Police - Special Events (Ch. 1)
169.7750 [NAC 4C5] Park Service - George Washington Parkway
170.5125 [NAC 4C5] Park Service
172.4750 [NAC 4C5] Park Service - National Mall & Memorial Parks
173.5250 [167.9] Capitol Police - Specialized Teams
409.0000 [NAC 293] Disaster Medical Assistance Team (encrypted/unencrypted)
452.3125 [ d365] Personnel coordinating concert at Capitol?
452.3875 [ d073] Personnel coordinating concert at Capitol?
453.4750 [146.2] Red Cross - DC (R)
464.7500 [146.2] Red Cross - Arlington (R)

DC Trunked System talkgroups:
1952 DCFD NCR units
2080 DCFD Inspectors
2160 DCFD 0B12 Patch 1
2176 DCFD 0B13 Patch 2
2192 DCFD 0B14 Stage B "transport group"
2640 DCFD Fireboat
16656 MPD Special Operations Division 1 Events
18288 MPD Special Operations Division 3 Ops
20800 MPD Harbor Patrol
33584 Department of Health Tac (Strike Teams)
33872 Emergency Management Agency Tac 1
34448 Department of Health
37488 Unified Communications Center 4
59216 Analog (patched to talkgroup 33872)
59968 MA2 (patched to 159.1500 [NAC 653] and Arlington talkgroup 26)

Arlington Trunked System talkgroups:
14 ACPD 1N Emergency Response Unit 1
36 ACFD 1J Command 2
37 ACFD 1K Incident 3
39 ACFD 1M Command 3
135 Coordination 1
136 Coordination 2
137 Coordination 3
138 Coordination 4

STARS talkgroup:
104 VSP Fairfax 3

Metro Trunked System talkgroups:
50032 MTPD Tac 1
50096 MTPD Tac 3
50160 MTPD Tac 5
50256 MTPD Tac 8

Pentagon Trunked System talkgroups:
310 Ft. Myer MP Alternate?
315 Ft. McNair MP Alternate
2160 Guardian units