The ornamental design for a sanitationchamber, as shown and described.
FIG. 1 is a perspective view of a sanitation chamber, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a cross-sectional view thereof taken along line 8-8 of FIG. 1.
The broken lines depict portions of the sanitation chamber that form no part of the claimed design; the broken lines form no part of the claimed design.