Andy INTERCOMPARISON SYSTEM FIELD NOTES, 
     --------- Friday, September 24, 2004 -------
       (CU and HYDRA Times in watch time MST, USGS Time in Datalogger time, AIRCOA A and AIRCOA B times are Prometheus time )
         

AIRCOA B Aspen site
15:56 UTC	Currently doing leak check
16:00:12	Took Control. Turn on Guest Cal. Cal A on, V12 on
16:00:45	P = 71.77, F = 1.41, CO2 = 395.0 - 395.4
16:00:51	V12 off, slow flow, P = 71.77, Flow = 1.41, CO2 = 391.1 - 392.5
16:03:05	Switch to B, V12 on.
16:03:23	P = 80.061, F = 3.00, CO2 = 324.3 - 324.9
16:03:56	V12 off. 
16:04:30	P = 71.86, F = 1.43, CO2 = 320.9 - 321.3 
16:06:11	Switch to C, V12 on 
16:06:45	P = 79.79, F = 3.02, CO2 = 355.1 - 356.3
16:06:50	V12 turned off.
16:09:00	P = 71.82, F = 1.53, CO2 = 350.2 - 351.3
16:09:20	"r" to resume program
		Cal cylinder pressures:  HS2 = 1550, HS1 = 1590, LS1 = 1700, LS2 = 1490.

CU Tower
10:58:00 MDT	Currently on Line 3. Reading is 1.323
10:58:40	Switched profile to manual. Toggled C2. P = 20.5 psig.
11:01:30	3-way to ICS, Cylinder A
11:02:50	Prssure good at 20.5 psig 
11:06:00	Step 4-way to B
11:07:00	Pressure good at 20.5 psig, Vco2 = 1.140 
11:10:18	Step 4-way to C
11:11:00	Pressure good at 20.5 psig, Vco2 = 1.212
11:15:20	Switched profile to auto. Toggled C2.

USGS Tower

10:26:59 MST	Datalogger time; watch time is 11:28:00
10:27:30	Switch sampling from 11 to 12, P = 547.8 - 531.5
10:29:30	Switched 3-way to start ICS, Cylinder A
10:30:30	Pressure good at 537.1, CO2 = 392.7 
10:32:30	Step 3-way to B
10:33:00	Done adjusting regulator to get 545.1, CO2 = 324.9
10:35:00	Step 3-way to C.
10:35:30	Done adjusting regulator to get 543.5, CO2 = 353.7
10:37:30	Switched 3-way back to sample from towers, line disconnected.
		
HYDRA at Pine Tower
		Connect to 3-way valve and quick connect between HYDRA and Instrument box
		On line Sx-S2. Sample Ball Flow = 36. Pump Pressure = 8.4 psi
12:07:14	Switch to gas A 
12:07:45	Done adjusting regulator to get Flow = 36, Pressure = 8.4 psi	
		CO2 = 61.4 um/m 
12:10:00	Step 3-way to B 
12:10:15	Adjusted regulator to get Flow = 36, Pressure = 8.4 psi
		CO2 = 61.4 um/m
12:12:30	Step 3-way to C
12:13:00	Adjusted regulator to Flow = 36, Pressure = 8.4 psi 
		CO2 = 36.5 um/m
12:15:30	3-way back to HYDRA, System on D-S4


AIRCOA A Willow site
		2 m line selected, Slow flow = 1.616 - 1.688, Fast flow = 3.07 - 3.09
19:43:50	Turn on Cal C, fast flow = 3.04 - 3.07
19:44:35	V12 off
19:45:23	P = 72.265, F = 1.622 - 1.699, CO2 = 327.7 - 326.62
19:47:13	Step 3-way to B, fast flow
19:47:45	P = 80.404, F = 3.05 - 3.07, CO2 = 303.14 - 304.43
19:48:56	Slow flow
19:49:47	P = 72.19, F = 1.61 - 1.83, CO2 = 299.18 - 300.24
19:51:13	Step 3-way to A, fast flow
19:51:32	P = 80.363, F = 3.01 - 3.02, CO2 = 369.29 - 369.84
19:51:45	Slow flow
19:52:52	P = 72.194, F = 1.61 - 1.68, CO2 = 365.52 - 366.38 
19:54:07	'r' to return control to Prometheus.
		Cal cylinder pressures:  HS2 = 1580, HS1 = 850, LS1 = 1660, LS2 = 1730

AIRCOA C Willow site
		Fast flwo pressure = 71.599
22:10:28	Turn on Cal A, V11, V12 on
22:11:59	Prssure good
22:12:30	V12 off
22:13:09	P = 71.532, F = 1.64, CO2 = 397.9 - 400.7
22:14:18	CO2 = 390.6 - 395.1
22:14:54	Step 3-way to B, V12 on
22:17:23	P = 78.877
22:17:48	V12 off
22:18:42	P = 71.573, F = 1.72, CO2 = 318.9 - 321.6
22:19:39	Step 3-way to C, V12 on
22:21:40	Pressure good at 78.662
22:22:14	Fliped V12 a bit early, so toggled it for a little more flush flow, then off
22:23:23	P = 71.532, F = 1.67, CO2 = 347.0 - 350.8
22:24:45	'r' to return control to Prometheus