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====== Clifford Hall 423 Online Lab Book ======

**Latest information is given at the top.  Times and dates are UTC.**

2020/08/30 - Michael Willette: Refilled/drained CCN counter. 

2020/06/11 - David Delene:  Kurt Hibert visit to work on CCNC and Flare testing.

2020/06/08 Afternoon - David Delene:  Kendra Sand working on testing CDP

2020/06/03 - David Delene: Sankha moved from CH423 to CH164.

2020/05/30 - David Delene: Moved Met Trailer Equipment to CH430.

2019/08/26 21:38 - David Delene: Refilled/drained CCN counter. Fill bottle 0 % full.

2019/06/10 15:23- Victoria Lang & David Delene: TEOM PM readings negative. Tightened vacuum seal on TEOM filters. Replace 47mm filters on TEOM. Water present. 

2019/06/07 16:00- Eli Peske and Victoria Lang: Changed TEOM filters 

2019/06/03 15:53- Eli Peske: Capped hole in outside air line

2019/05/33 15:00 - David Delene:  Connect up 37 mm particle filter head to single column TEOM sampling line.

2019/05/23 09:43 - Eli Peske: Shutdown/Unhooked CCN to switch out rack. 

2019/05/20 17:10 - Nicholas Gapp: Refilled/drained CCN counter.

2019/05/10 19:15 - Nicholas Gapp: Refilled/drained CCN counter.

2019/05/07 21:00 - Nicholas Gapp: CCN counter was not counting particles. Removed drain tube underneath chamber and allowed it to dry for a few minutes, and it seems to be working again.

2019/05/07 19:50 - Nicholas Gapp: Refilled/drained CCN counter.

2019/05/03 16:55 - Nicholas Gapp: Refilled/drained CCN counter.  Slightly adjusted flow so Flow Ratio is back to ~10.0.

2019/04/29 21:05 - Nicholas Gapp: Refilled/drained CCN counter.  Slightly adjust flow so Flow Ratio is back to ~10.0.

2019/04/26 20:45 - Nicholas Gapp: Refilled/drained CCN counter.

2019/04/23 16:45 - Nicholas Gapp: Refilled/drained CCN counter. Adjusted flow so Flow Ratio is back to ~10.0 (was near 10.8).

2019/04/16 11:36 - David Delene:  Changed to middle liquid for speed from standard of low.  CCN concentration low before water fill yesterday. See -

{{:atmos:citation:instruments:home:ccn_avg_small.png|}}

2019/04/15 20:30 - Nicholas Gapp:  Refilled/drained CCN. Disconnected connection to the CPC and capped line.

2011/04/12 12:00 - Eli P.:  Refilled/ Drained CCN

2019/04/09 09:12 - Eli P.:  Refilled/Drained CCN

2019/04/03 17:00 - Eli P.:  NOX analyzer moved from vacuum line 1 to vacuum line 2

2019/04/01 21:14 - David Delene:  Changed water in the CCN counter.  The supply jar was at 15 %.  Did not turn off counter. Put supply line in water while changing.

2019/03/19 17:49 - David Delene:  Changed water in the CCN counter.  The supply jar was completely empty.

2018/09/04 18:00 - David Delene:  The automatic data processing workflow is now working to get plots on the Web site.  Issue was with processing on Plume server. The CH423 Wiki has been updated to include a description of the CH423 Pipeline Workflow.

2018/07/13 10:50 - Julie Hibarge:  Took apart the air filter cartridge attached to <2.5 micrometer inlet to place filter (SAMPLE F-LONG EXPOSURE SAMPLE: third sample taken with sterile (autoclaved) Filter to be collected in 7 days).

2018/07/11 10:15 - Julie Hibarger: Took apart the air filter cartridge attached to <2.5 micrometer inlet to collect filter (sample E-LONG EXPOSURE SAMPLE:second sample taken with sterile (autoclaved) Filter to be collected after 6 days). Measured vacuum airflow at 17.87 LPM (avg of 4)

2018/07/05 11:30 - Julie Hibarger: Took apart air filter cartridge attached to <2.5 micrometer inlet to replace filter (SAMPLE D-Blank sample: first blank taken with a sterile (autoclaved) filter) new sterile filter (sample E-LONG EXPOSURE SAMPLE: second sample taken with sterile (autoclaved) filter to be collected after 6 days). Uncapped and reattached APS.  Measured vacuum airflow at 16.49 LPM (avg of 10).  

2018/07/02 9:55 - Julie Hibarger:  Took apart air filter cartridge attached to <2.5 micrometer inlet to replace filter (SAMPLE C-the first sample taken with a sterile (autoclaved) filter) with new sterile filter (SAMPLE D-Blank sample:first blank taken with a sterile filter).  Capped airflow to maintain APS readings. Measured vacuum airflow at 11.89 LPM (avg of 14).

2018/06/29 17:42 - Julie Hibarger: took apart filter cartridge attached to <2.5 micrometer inlet to replace filter with sterile filter (SAMPLE C-2ish day exposure sample: first sample taken with a sterile (autoclaved) filter).  Measured vacuum airflow at 10.83 LPM (avg. of 11).

2018/06/29 9:45-Julie Hibarger: Took apart filter cartridge attached to <2.5 micrometer inlet to remove filter and measured vacuum airflow at 9.98 LPM 

2017/12/26 19:30:00 - David Delene: Supply pump not working, took apart and now pumps water.  Left on 2 sec pumping.  Moving water.

2017/12/24 02:00:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle.  80% left in supply bottle.  Change to running supersaturation spectrums after doing dry start-up.

2017/12/15 19:39:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 20% left in supply bottle.  Replace the Nylon ferrule with Teflon on the sheath air filter.  The water supply bottle was not tight, likely reason for invalid data over the past few days.

2017/12/11 15:19:00 - David Delene: Turn water supply on high.  Instrument ran out of water but jar was filled.

2017/12/09 02:49:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 30% left in supply bottle.

2017/12/06 02:10:00 - David Delene: Counts low, flow not right, flow ratios wrong.  Took off the Shealth filter and blow out, replace.  Flow and counters return to normal/working.

2017/12/05 15:56:00 - David Delene: Turn Liquid Flow Setting to High.  The 0.2 SS concentration is seems low again.

2017/12/04 22:11:00 - David Delene: Turn Liquid Flow Setting to Medium.  The 0.2 SS is seems to have been higher with the higher liquid flow.

2017/12/04 17:08:00 - David Delene: Turn Liquid Flow Setting to High.  The 0.2 SS is low, see if this changes it.

2017/12/04 12:45:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 20% left in supply bottle.

2017/12/01 23:37:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 25% left in supply bottle.  Left off supply for 10 minutes so data may be affected.

2017/11/28 18:49:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 15% left in supply bottle.

2017/11/26 18:17:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 5% left in supply bottle.

2017/11/23 19:39:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 0% left in supply bottle.  The 0.2 Supersaturation is low so need to edit data.

2017/11/20 12:30:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 15% left in supply bottle.

2017/11/18 00:10:00 - David Delene:  Changed inlet tubing configuration.  Put CPC 3771 on outside inlet.

2017/11/17 23:20:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 95% left in supply bottle.  Changed water pump flow rate from medium to low.

2017/11/16 17:21:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 20% left in supply bottle.

2017/11/14 16:45:00 - David Delene: Changed the inlet tube between CCNC and Ozone analyzer.

2017/11/13 19:08:00 - David Delene: Changed the water pump supply from low to high.  May not get wet enough after drying out.

2017/11/13 12:20:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 0% left in supply bottle.

2017/11/07 15:00:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 0% left in supply bottle.  Change for liquid supply of High to Low.

2017/11/06 13:00:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 0% left in supply bottle.  Rebuilt water supply pump, working on 2017/11/04.  Revised Web display software.

2017/10/26 14:30:00 - Courtney Steimann: Refilled Supply bottle with water, emptied drain bottle. 25% left in supply bottle.

2017/10/23 10:50:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 15% water left in Supply Bottle.

2017/10/20 15:30:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 40% water left in Supply Bottle.

2017/10/15 15:30:00 - David Delene: Refilled Supply bottle with water, emptied drain bottle. 10% water left in Supply Bottle.

2017/10/13 21:30:00 - David Delene: Changed time periods to 8, 4, 4, 4 minutes for 0.2, 0.3, 0.6, and 0.9 Supersaturation.

2017/10/06 21:39:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  30 % water left in Supply Bottle.

2017/10/04 23:12:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  20 % water left in Supply Bottle. 

2017/10/02 23:00:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  0 % water left in Supply Bottle. 

2017/09/29 17:02:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  35 % water left in Supply Bottle.  Clean out lines and blow out pump.

2017/09/25 21:32:00 - David Delene:  Restart air pump after blowing out condenser water pump.

2017/09/25 16:15:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  5 % water left in Supply Bottle.

2017/09/21 15:59:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  30 % water left in Supply Bottle.

2017/09/18 18:03:00 - David Delene:  Refilled Supply bottle with water, emptied drain bottle.  10 % water left in Supply Bottle.

2017/09/15 22:33:00 - David Delene: Counter started giving good spectrum.  Put compressed air thought chiller pump and had chiller pump pull water.  Connect CCNC to sample outside air. 

2017/09/11 06:52:05 - David Delene:  Counts seem low.  The OPC monitor value was good.  Clean out water from line between OPC and chiller.  Counts went up sufficiently.

2017/09/10 00:01:00 - David Delene:  DOY - 253:  Refilled CCN counter water supply bottle, emptied drain bottle.  David Delene analysis of the CCN spectrum indicated that the CCN concentration was invalid starting at 252.25.

2017/09/04 14:00:00 - Alexa Otto: DOY - 247:  Refilled CCN water as it was empty.  David Delene reviewed the processed CCN concentration spectrum data and it looks ok.

2017/08/22 15:44:00 - TEOM DF replaced filters 

2017/08/17 17:25:00 - Reconnected CCNC to outside air. Monitored status and everything worked well.

2017/08/17 15:30:00 - Disconnected top lines again and blew out with compressed air. Started CCNC sampling lab air and defogged OPC. Found foggy line from bottom of OPC to condenser. Shut off CCNC and cleaned out using compressed air. Also blew out OPC beam dump which had water in it. Started back up, improved CCNC concentration. 

2017/08/16 14:45:00 - Filter had water in it. Replaced filter. Disconnected lines into column and dried out with compressed air. Found water in inlet tubing and dried out with compressed air. Installed water trap onto pipes coming into building to trap water. CCN Concentrations went back to normal and flow rate stabilized.

2017/08/15 22:49:00 - David Delene:  Having issues, will sample lab air overnight with CCNC and Ozone Analyzer.

2017/08/15 22:00:00 - David Delene:  Disconnected and reconnected CCNC/Ozone sampling lines.  CCN concentration and ozone concentrations were very low.  Line must of been plugged.  * Unordered List Item