Table A3. NOAA Research Vessel Ronald H. Brown Instrumentation

Species/Parameter	Reference	Technique	Averaging Time	Detection Limit	Uncertainty
JNO2 photolysis rates 	Shetter et al. [2003]	spectral radiometer	1 min	5e-7 Hz	+\-22%
JNO3 photolysis rates	Stark et al. (submitted manuscript, 2006)	spectral radiometer	1 min	3e-7 Hz	+\-30%
JO3(1D) photolysis rates	Bohn et al. [2004]	spectral radiometer	1 min	4e-8 Hz	+\-30%
Ozone	Bates et al. [2005]	UV absorbance	1 min	1.0 ppb	+\-1.0 ppb or 2%
Ozone	E. J. Williams et al. [2006]	NO chemiluminescence	1 min	0.1 ppbv	+\-(2% + 1.0 ppbv) 
NO2	Sinreich et al. [2005]	passive DOAS	5 min	0.1 ppb	70 ppt
CH2O	Sinreich et al. [2005]	passive DOAS	5 min	0.3 ppb	0.2 ppb
BrO	Sinreich et al. [2005]	passive DOAS	5 min	1 ppt	0.7 ppt
Ozone vertical profiles	Thompson et al. [2000a]	ozonesondes	1 s = 5 m	2 ppbv	3-5%
Ozone vertical profiles	Zhao et al. [1993]	O3 lidar (OPAL)	10 min	5 ppb	<10 ppb
Carbon monoxide	Gerbig et al. [1999]	UV fluorescence 	1 min	1.0 ppb	+\-3.0%
Carbon dioxide	LiCor spec	nondispersive IR	1 min	0.07 ppm	+\-2.5%
Water vapor	LiCor spec	nondispersive IR 	1 min	1 ppm	+\-1%
Sulfur dioxide	Bates et al. [2005]	pulsed fluorescence	1 min	100 ppt	<5%
Nitric oxide	Osthoff et al. [2006a]	chemiluminescence	1 min	18 ppt	+\-(4% + 7 pptv)
Nitrogen dioxide	Osthoff et al. [2006a]	photolysis cell	1 min	27 ppt	+\-(6.5% + 93 pptv) at NO2/NO = 3
Total nitrogen oxides	Williams et al. [1998]	Au tube reduction	1 min	0.04 ppbv	+\-(10% + 0.08 ppbv)
PANs	M. Marchewka et al. (unpublished manuscript, 2006)	GC/ECD	1 min	PAN/PPN (5 pptv); PiBN/MPAN (10 pptv)	PAN/PPN +\- (5 pptv + 15%); PiBN/MPAN +\- (10 pptv + 20%) 
Alkyl nitrates	Goldan et al. [2004]	GC/MS	5 min	<=1 ppt	+\-20%
NO3/N2O5	Dube et al. [2006]	cavity ring-down spectrometry	1 s	1 pptv	1 pptv, +\-30%
NO2	Osthoff et al. [2006a]	cavity ring-down spectrometry	1 s	160 pptv	160 pptv, +\-8%
Nitric acid/NH3	Dibb et al. [2004]	automated mist chamber/IC	5 min	5 pptv	15%
Radon	Whittlestone and Zahorowski [1998]	radon gas decay	13 min		
VOC speciation	Goldan et al. [2004]	GC/MS	5 min	<=1 ppt	+\-20%
Seawater and atmospheric pCO2	Sabine et al. [2000]	nondispersive IR	30 min		+\-0.2 ppm
Seawater DMS	Bates et al. [2000]	S chemiluminesence	30 min	0.2 nM	+\-8%
Continuous speciation of VOCs	Warneke et al. [2005]	PTR-MS/CIMS	2 min	50-500 pptv	20%
Aerosol ionic composition	Quinn et al. [2006]	PILS-IC	5 min		
Aerosol WSOC 	Quinn et al. [2006]	PILS-TOC	1 hour		
Aerosol size and composition	Quinn et al. [2006]	aerosol mass spectrometer	5 min	0.1 mug m-3	+\-20%
Aerosol OC 	Quinn et al. [2006]	online thermal/optical	1 hour	0.1 mug m-3	
Aerosol organic functional groups	Gilardoni et al. (submitted manuscript, 2006)	FTIR spectroscopy of <1 mum particles on Teflon filters	4-12 hours	1 mug	+\-15%
Aerosol composition, 2 stage (sub/super micron) and 7 stage at 60% RH	Quinn andBates [2005]	impactors (IC, XRF and thermal optical OC/EC, total gravimetric weight) 	4-12 hours		+\-6-31%
Total and submicron aerosol scattering and backscattering (450, 550, 700 nm) at 60% RH	Quinn andBates [2005]	TSI 3563 nephelometers (2)	1 min		+\-14%
Total and submicron aerosol absorption (450, 550, 700 nm) dry	Sierau et al. [2006]	Radiance Research PSAPs (2)	1 min		+\-22%
Total and submicron aerosol extinction	T. Baynard et al. (Design and application of a pulsed cavity ring-down aerosol extinction spectrometer for field measurements, submitted to Aerosol Science and Technology, 2006)	cavity ring-down spectrometry	1 min	0.01 Mm-1	+\-1%
Aerosol number	Bates et al. [2001]	CNC (TSI 3010, 3025)	1 s		+\-10%
Aerosol size distribution 	Bates et al. [2005]	DMA and APS	5 min		+\-10%
Total and submicron aerosol light scattering hygroscopic growth	Carrico et al. [2003]	twin TSI 3563 nephelometers; RR M903 nephelometer	20 s (over each 1% RH)	sigmaspTSI, 1.85 and 2.78; sigmabsp, 1.24 and 2.96; sigmaspRR, 1.06	sigmaspTSI, -14 ~ 17; sigmabsp, -17 ~ 19
Aerosol optical depth 	Quinn and Bates [2005]	Microtops	intermittent		+\-0.015 AOD
Aerosol backscatter vertical profiles	Zhao et al. [1993]	O3 lidar (OPAL)	10 min	1 * 10-6 m-1 sr-1	30% aerosol backscatter
BL wind/aerosol/turbulence	Grund et al. [2001]	Doppler lidar (HRDL)	0.5 s	2-6 km	10-12 cm s-1
Wind/temperature profiles	Law et al. [2002]	915 MHz wind profiler	5 min	0.5-5 km	+\-1.4 ms-1
Temp/RH profiles	Wolfe et al. [2006]	sondes	5 s	0.1-18 km	+\-0.3 C +\-4%
LWP	Zuidema et al. [2005]	microwave radiometer	5 s	20 gm-2	+\-10%
Cloud height	Fairall et al. [1997]	Ceilometer	15 s	0.1-7.5 km	+\-30 m
Cloud drop size, updraft velocity	Kollias et al. [2001]	3 mm Doppler radar	5 s	0.2-12 km	¦
Turbulent fluxes	Fairall et al. [2003, 2006]	bow-mounted EC flux package	20 Hz, 10 min, 1 hour	2 Wm-2, 0.002 Nm-2	+\-25% at 1 hour
Low altitude temperature profiles	Cimini et al. [2003]	60 GHz scanning microwave radiometer	10 s	0-0.5 km	+\-0.3degreeC
Wind profiles/microturbulence below cloud	Frisch et al. [1989] and Comstock et al. [2005]	C-band radar	5 min	0.1-2 km	+\-1.0 ms-1