[dd, decimal degrees; ft, feet above the North American Vertical Datum of 1988; OB, bulk deposition from E or VWM; E, depth-integrated depth-integrated environmental;																									
VWM, volume-weighted mean of two snowpack layers; ANC, acid neutralization capacity; ueq/L, microequivalents per liter;																									
uS/cm, microsiemens per centimeter; SC, specific conductance at 25degC; pH values in standard units; H, hydrogen; Ca, calcium;																									
Mg, magnesium; Na, sodium; K, potassium;  NH4, ammonium; Cl, chloride; SO4, sulfate; NO3, nitrate; DOC, dissolved organic carbon;																									
mg/L, milligrams per liter; SWE, snow-water equivalent;  cm, centimeters; d34S, stable-sulfur isotope ratio (34S/32S); Hg, mercury;																									
ng/L, nanograms per liter; NA or empty cell indicates not analyzed; <, below reporting limits; M, presence verified but not quantified; %, percent																									
missing year indicates no sample collected or sample results reviewed and rejected																									
Roth 1994: Mercury in water by CVAFD with potassium dichromate preservation																									
USEPA Method 1631, Rev E: Mercury in water by Oxidation, Purge and Trap, and CVAFS]																									
																									
Station ID	402350105505400																								
Site Name	PHANTOM VALLEY, CO																								
Latitude (dd)	40.3972061																								
Longitude (dd)	-105.8489007																								
Elevation (ft)	9029																								
SiteNumber	StationName	SampleDate	WaterYear	SampleType	ANC (ueq/L)	SC (uS/cm)	pH	H (ueq/L)	Ca (ueq/L)	Mg (ueq/L)	Na (ueq/L)	K (ueq/L)	NH4 (ueq/L)	Cl (ueq/L)	SO4 (ueq/L)	NO3 (ueq/L)	DOC (mg/L)	Total N (mg/L)	Total Dissolved N (mg/L)	Hg (ng/L) Roth 1994	Hg (ng/L) USEPA 1631	d34S (per mil)	SWE (cm)	Snow Depth (cm)	Ionic Balance (%)
402350105505400	PHANTOM VALLEY, CO	1993-04-06	1993	OB		7	4.9	12.6	<3.1	<1.7	<3	0.8	4.3	<1.1	9.4	9	0.8					5		102	-1.9
402350105505400	PHANTOM VALLEY, CO	1994-03-25	1994	OB	-16	7	4.9	12.6	7.9	2	<3	0.8	5.7	1.1	9.6	13.1	1					6.2		97	9.8
402350105505400	PHANTOM VALLEY, CO	1995-03-28	1995	OB	-14	6	4.9	12.6	3.8	<1.7	<3	0.5	4.5	1.1	8.3	11.4	1.2					5.7		28	1.4
402350105505400	PHANTOM VALLEY, CO	1996-04-10	1996	OB	-7	4	5.2	6.3	5	<1.7	1.3	1.3	2.7	1.1	6.7	7.4	1					7.2		107	4.4
402350105505400	PHANTOM VALLEY, CO	1997-04-02	1997	OB	-9	4	5.1	7.9	4.1	<1.7		1.5	3	2	5.2	9.3						5.5		84	0
402350105505400	PHANTOM VALLEY, CO	1998-03-23	1998	OB	-21	8	4.7	20	<3.1	<1.7		<0.5	2.6	<1.1	6.9	11.9	0.7					7.2		71	9.2
402350105505400	PHANTOM VALLEY, CO	1999-04-02	1999	OB	-0.8	6	5.4	4	19.4	4	2.2	4.3	6.3	2	12.5	12	2.6					6.5		76	20.5
402350105505400	PHANTOM VALLEY, CO	2000-03-19	2000	OB	-7.8	5	5	10	5.5	<1.7	<0.9	0.8	4.2	<1.1	6.2	9.7	0.8							104	12.6
402350105505400	PHANTOM VALLEY, CO	2001-03-13	2001	OB	-13.2	9	4.9	12.6	9	<1.7	2.6	0.8	6.4	<1.1	10.8	18.6	0.8							84	3.3
402350105505400	PHANTOM VALLEY, CO	2002-03-07	2002	OB	-16	8	4.9	12.6	7.5	<1.7	1.7	0.8	5.2	1.1	7.5	19.3	0.4			1.1			16	71	-0.2
402350105505400	PHANTOM VALLEY, CO	2003-03-27	2003	OB	-9.2	6	5.1	7.9	8.5	<1.7	1.3	1.3	6.5	<1.1	7.5	12.9	0.8			2			29	117	11.1
402350105505400	PHANTOM VALLEY, CO	2004-03-07	2004	OB	-13.8	8	5	10	7.6	<1.7	<0.9	1.5	5.5	<1.1	8.7	16.4	0.9			2.7			17	71	-1
402350105505400	PHANTOM VALLEY, CO	2005-03-17	2005	OB	-10	5	5.2	6.3	4.5	<1.7	1.3	0.5	4.5	<1.1	4.4	7.9	0.3			1			26	91	16.3
402350105505400	PHANTOM VALLEY, CO	2006-03-06	2006	OB	-4.2	5.7	5.2	6.3	7.5	1.6	1.3	0.8	4.2	1.1	7.3	12.9	0.75						20	74	0.9
402350105505400	PHANTOM VALLEY, CO	2007-03-08	2007	OB	-3.6	5.8	5.2	6.3	6.5	0.8	<0.9	1	2.5	0.8	5.6	10	0.58						32	117	2.1