Just for something different, my orange overalls are setup for land search and operations control:
Top left pocket:
orange field notebooks, ordinary notebook, pens, pencils, map romer.
Top right pocket:
latex gloves, fabric dust mask, ear plugs, GRN pager
Leg left pocket:
personal first aid kit in double plastic zip lock bags.
Leg right pocket:
leather debris gloves, woollen beanie, woollen fingerless gloves.
black bumbag (SES standard issued):
headlamp torch, baseball cap, spare thick socks, resucitation mask, latex gloves, fabric dust mask, ear plugs, multi-tool pocket knife, army spoon/can opener/bottle opener, matches, LED torch, spare batteries, spare bulb for headlamp, protractor, compass, pocket notebooks, pens, pencils, pencil sharpner, two water bottles, dust/smoke googles, bandana, white board marker, permanent marker, hexamine tablet, matches, candle, small emergency flaher light, sun screen and insect repellant.
extras:
If I am in a operations centre and have time to grab my gear bag before I leave home. Then I will have USB key/MP3/FM radio, laptop computer, large folder with plastic interleaves containing a mass of printed information, clip board and A4 ring binder pads.