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More Details for 2008-05-23
ISS On-Orbit Status 05/23/08

Before breakfast, CDR Volkov, FE-1 Kononenko and FE-2 Reisman began their workday with the periodic session of the Russian biomedical routine assessments PZEh-MO-7/Calf Volume Measurement and PZEh-MO-8/Body Mass Measurement (second for CDR and FE-1, third for FE-2), using the IM mass measurement device which Oleg Kononenko afterwards broke down for stowage.

(Calf measurements (left leg only) are taken with the IZOG device, a custom-sewn fabric cuff that fits over the calf, using the knee and lower foot as fixed reference pints, to provide a rough index of deconditioning in zero-G and effectiveness of countermeasures. For determining body mass in zero-G, where things are weightless but not massless, the Russian IM "scales" measure the inertial forces that arise during the oscillatory motion of a mass driven by two helical metering springs with known spring constants. By measuring the time period of each oscillation of the unknown mass (the crewmember) and comparing it to the period of a known mass, the crewmember's mass is calculated by the computer and displayed.)

The CDR serviced the Russian BMP (Harmful Impurities Removal System), starting the "bake-out" cycle to vacuum on absorbent bed #2 of the regenerable dual-channel filtration system. The regen process will be terminated tonight at ~5:15pm EDT. Filter bed #1 was regenerated yesterday. (Regeneration of each of the two cartridges takes about 12 hours and is conducted only during crew awake periods. Filter bed 1 was regenerated yesterday. In order to assist in atmosphere scrubbing after the Freon-218 spill from the SKV-2 air conditioner on 4/29, the BMP's regeneration cycle was moded to 5 days instead of the regular 20 days.)

Today was the periodic water sample collection & processing day for the crew (Week 5). (FE-2 Reisman collected potable water samples for microbial in-flight analysis at the SRV-K Hot port, SRV-K Warm port & SVO-ZV taps, plus two chemical/archival post-flight samples from SRV-K Warm & SVO-ZV, using jointly approved Russian sampling procedures with the U.S. WS&A (Water Sampler & Archiver) kit for collection. The samples will be returned on 1J.)

CDR Volkov spent several hours on refueling the Russian SKV-2 air conditioner with fresh Khladon (Freon-218) delivered on Progress 29P, after conducting a detailed procedures review.

FE-1 Kononenko meanwhile worked on the Matryoshka-R radiation measuring suite, transferring and installing new payload components delivered on 29P, taking documentary photography and verifying proper function of the setup with the LULIN-5 electronics box.

The FE-2 retrieved and stowed the four passive FMK (Formaldehyde Monitoring Kit) sampling assemblies deployed by him on 5/21 in the Lab (at P3, below CEVIS) and Service Module (SM, at the most forward handrail, on panel 307), to catch any atmospheric formaldehyde on a collector substrate for subsequent analysis on the ground. (Two monitors each are usually attached side by side, preferably in an orientation with their faces perpendicular to the direction of air flow.)

FE-1 Kononenko set up BKS (Onboard Cable Network) connections in the SM for the new 'Vsplesk' experiment. ('Vsplesk', along with the BTN-M1 'NEUTRON' science equipment, will create a physical model of charged and neutral particles generated during solar bursts and of the neutron albedo of the Earth atmosphere considering solar and geophysical aspects.)

Reisman had another hour for 1J cargo transfer prepacking. Later, Garrett spent a second hour on private preparations and prepacking for his return.

Garrett continued EVA preparations in the Airlock (A/L) for the STS-124/1J spacewalks. (The FE-2 'de-gassed' PWRs (Payload Water Reservoirs) #1007 & #1023 for STS-124 and returning them to stowage in the EL (Equipment Lock). 'De-gassing' = removing air bubbles from the PWR water that will be used to refill the EMU water tanks, by centripetal force, i.e., swinging to produce temporary 'artificial gravity'.)

Still in the A/L, Reisman also terminated the recharge of the second batch of EMU batteries in the BSA (Battery Stowage Assembly).

CDR Volkov worked on the Russian SRVK-2M water condensate processor, installing a new BPK transfer pump delivered on 29P.

In the COL (Columbus Orbital Laboratory), Reisman supported ESA ground controllers in troubleshooting the IRFA (Intermodule Return Fan Assembly). (The IRFA is located on the COL sidewall opposite to the ISFA (Intermodular Ventilation Supply Fan Assembly), both behind cover panels.)

Oleg completed the routine maintenance of the SM's SOZh/ECLSS system, including ASU toilet facilities systems/replaceables. (Regular daily SOZh maintenance consists of replacement of the KTO & KBO solid waste containers, replacement of an EDV-SV waste water and EDV-U urine container, and processing U.S. condensate water as it becomes available in a filled CWC from the Lab humidifier.)

Sergey performed the daily IMS (Inventory Management System) maintenance, updating/editing its standard 'delta file' including stowage locations, for the regular weekly automated export/import to its three databases on the ground (Houston, Moscow, Baikonur).

The crew conducted their regular 2.5-hr. physical workout program (about half of which is used for setup & post-exercise personal hygiene) on the CEVIS cycle ergometer (FE-2), TVIS treadmill (CDR, FE-1), RED resistive exercise device (CDR, FE-1, FE-2), and VELO bike with bungee cord load trainer (CDR, FE-1).

Afterwards, Volkov transferred the crew's exercise data file to the MEC (*Medical Equipment Computer) for downlink, as well as the daily wristband HRM (Heart Rate Monitor) data of the workouts on RED, followed by their erasure on the HRM storage medium (done six times a week).

Kononenko completed the periodic (about twice a month) replenishing of the Elektron oxygen generator's water supply for electrolysis, filling the KOV EDV container with water collected in CWC (Contingency Water Container) #1050 from the Lab CCAA (Common Cabin Air Assembly) dehumidifier. (The 40-minute procedure is specially designed to prevent air bubbles larger than ~10 mm from getting into the BZh Liquid Unit where they could cause Elektron shutdown.)

The FE-1 performed the regular bi-weekly reboots of the SSC (Station Support Computer) File Server and OCA Comm Router laptops.

Later, Reisman used the hand-held CDMK (Carbon Dioxide Monitoring Kit, #1002) to collect measurements for the regular atmospheric status check for ppCO2 (Partial Pressure Carbon Dioxide) in the Lab, SM (at panel 449) and COL (Columbus Orbital Laboratory), and recording CO2 readings and battery 'ticks'. (Batteries were to be replaced if necessary. After all readings were taken, the CDM was deactivated and returned to its stowage place at LAB1S2.)

At ~4:40am EDT, the crew held the regular (nominally weekly) tagup with the Russian Flight Control Team (GOGU; (Glavnaya operativnaya gruppa upravleniya = 'Main Operative Control Group')), including Shift Flight Director (SRP), at TsUP via S-band/audio, phone-patched from Houston and Moscow.

At ~4:55am, Sergey & Oleg linked up with TsUP-Moscow stowage specialists via S-band to conduct the weekly IMS tagup, discussing stowage issues and equipment locations.

Later tonight (~3:20pm), the ISS crew will link up with the Lead Flight Director at JSC/MCC-H via S-band/audio to conduct their first weekly tagup. (S/G-2 (Space-to-Ground 2) phone patch via SSC (Station Support Computer)).

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