As they secure positions, and the bitva front moves away from those positions, they are then performing inspections.
And that would be...... everywhere except in the cities.

So, the only places where, by your logic, we are NOT inspecting would be the cities (currently held by the Iraqis).

They are not performing in-depth inspections of positions that are still in the middle of a bitva.
That would be because those are still occupied by Iraqis.

But that does NOT explain why they have NOT found the chemical weapons you claim Saddam has.

Unless those are only hidden inside the cities.

And, as each of those cities fall, you'll come up with another excuse as to why no chemical weapons were found.