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Move to ISS location listed on NanoRacks Swab Kit label.   3. Remove cotton swab from NanoRacks Swab Kit, being careful not to touch the cotton swab tip to avoid contamination.   4. Rub cotton swab vigorously against designated surface. Spin and turn the swab to ensure maximum sample collection.   NOTE:   An additional large Ziplock Bag is provided (stowed inside the same bag as the NanoRacks Swab Kits) to use per crew preference to separate the used NanoRacks Swab Kits from the clean (unused) NanoRacks Swab Kits for crew efficiency during sampling.   5. Return cotton swab to NanoRacks Swab Kit and press to close (squeeze excess air out of bag before sealing, Figure 1).   Circle number of location swabbed and label with GMT (dd/hh:mm, Figure 1).   If swab is contaminated by touching a surface other than the designated location on the label,