1. EO10-PPO-020 OCR emcs...259 7/15/14 PARC/C. Traylor Crew Additional Activities Unattended EMCS Facility Cleanup Post Gravi-2 Ops EMCS-GASRMV MOD-RPL :20 1:00 EMCS-1 RBLSS MOD-RPL EMCS Facility Cleanup after Gravi-2 EMCS- HS- VIDEO EMCS-POWER DOWN-CMD 1:00 :15 EMCS-3 TUBE-INSTL :15 1:00 :15 PRO-EMCS ACT-CMD EMCS-POWER UP-CMD EMCS-PL- PWR/DNLK PRO-EMCS DACT-CMD Any Time COMMS- VCA1-DL NASA (ESA) COMMS- VCA1-DL NASA (ESA) COMMS- VCA1-MON NASA (ESA) COMMS- VCA1- MON NASA (ESA)

2. EO10-PPO-020 OCR emcs...259 7/15/14 PARC/C. Traylor Change#RevisionIncDateCrew Roll- up* (hrs) PTP (hrs) Crew Roll-up Notes EO10-PPO-12-036Revision D35/36 & Subs 12/19/12Nominal: 0.25 Reserve: 0 Inc 35/36 Working PTP 10/24/12 Nominal: 0 Reserve: 0 Crew time is for Facility Cleanup following Seedling Growth experiment runs. Includes only the TCS Sponge Replace activity. EMCS has indicated that no Volume Compensator Alignment activity is needed during Inc 35/36. EO10-PPO-13-020Revision E37/38 & Subs 6/13/13Nominal: 2.58 Reserve: 0 Inc 37/38 Working PTP 04/29/13 Nominal: 3.08 Reserve: 0 Crew time is for Facility Cleanup following Gravi2 experiment runs and EMCS Water Pump Tube Installation activities. EO10-PPO-13-047Revision F39/40 & Subs 12/12/13Nominal:.25 Reserve: 3.42 Inc 39/40 Working PTP 10/18/13 Nominal: 0.17 Reserve: 1.50 Reserve crew time is for activities Water Reservoir Replace (40 min), RBLSS Module Replace (2 hr), and EMCS Water Pump Tube Install (45 min) following three Seedling Growth-2 experiment runs. TCS Sponge Replace (15 min) is counted towards nominal crew time. Note: These activities will be performed just prior to Seedling Growth-3, which is not in Inc 39/40, therefore an OCR is required to perform any of these activities during Inc 39/40. OCR ocpc... 256OCR39/40 & Subs 6/9/14Changed EMCS Relief Valve Check to a 5 minute, Execution Note Only activity. OCR emcs... 982OCR39/40 & Subs 6/10/14Changed power tracking activity to be scheduled between PRO-EMCS ACT-CMD and PRO-EMCS DACT-CMD. EMCS PPO Change Log *Crew Roll-up is not maintained real-time.

3. EO10-PPO-020 OCR emcs...259 7/15/14 PARC/C. Traylor Change#RevisionIncDateCrew Roll- up* (hrs) PTP (hrs) Notes EO10-PPO-14-022Revision G39/40 & Subs 6/25/14Added PPO document number. OCR emcs...259OCR39/40 & Subs 7/15/14Changed Post Gravi-2 EMCS Facility Cleanup from what was baselined during Inc 37/38. Added new activity for replacing only one EMCS RBLSS Module and then added new activity for replacing the water pump tubes on that new RBLSS Module just replaced. EMCS PPO Change Log *Crew Roll-up is not maintained real-time.