[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 375930107120000 Site Name SLUMGULLION PASS, CO Latitude (dd) 37.99009444 Longitude (dd) -107.2045778 Elevation (ft) 11596 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 (%) 375930107120000 SLUMGULLION PASS, CO 1993-03-30 1993 OB 0 3 5.4 4 5 <1.7 <3 1.8 <1.1 5.2 3.8 1.5 5.8 18 94 9.1 375930107120000 SLUMGULLION PASS, CO 1994-04-02 1994 OB 0 4 5.6 2.5 9.9 2 <3 3.8 2.9 2.5 5.8 7.2 1.9 86 15.3 375930107120000 SLUMGULLION PASS, CO 1995-04-02 1995 OB -3 3 5.3 5 8 <1.7 <3 0.8 2.3 <1.1 4.6 6.5 1 4.4 130 18.4 375930107120000 SLUMGULLION PASS, CO 1996-03-28 1996 OB 10 4 6.1 0.8 18.4 <1.7 1.7 1.3 2 1.4 5.4 6.3 1 3.5 112 44.6 375930107120000 SLUMGULLION PASS, CO 1997-04-11 1997 OB 0 4 5.7 2 12.9 <1.7 1 2.4 1.1 5.6 6.6 0.9 4.1 198 15.8 375930107120000 SLUMGULLION PASS, CO 1998-03-18 1998 OB -9 5 5.1 7.9 7.5 <1.7 0.8 1.9 2.5 6.7 8.1 0.6 3.7 91 2.3 375930107120000 SLUMGULLION PASS, CO 1999-03-17 1999 OB 6.4 5 5.9 1.3 19.4 2.5 3 4.6 4.3 2.8 7.3 9.4 1.1 99 36.1 375930107120000 SLUMGULLION PASS, CO 2000-03-25 2000 OB -0.4 4 5.3 5 10 <1.7 1.7 2.3 2.9 1.1 5.2 6.8 1 102 25.1 375930107120000 SLUMGULLION PASS, CO 2001-03-27 2001 OB 3.6 5 5.7 2 11.5 3.3 2.2 1.8 2.2 1.1 5.2 7.1 1 119 33 375930107120000 SLUMGULLION PASS, CO 2002-03-26 2002 OB 42 8 6.5 0.3 45.3 4.9 2.6 3.3 2.5 2.3 6.7 12.9 1.2 6.5 4.3 16 66 64.3 375930107120000 SLUMGULLION PASS, CO 2003-03-28 2003 OB 15 5 5.8 1.6 16.4 5.7 3.9 13.3 <1 5.6 4.8 7.1 4.1 11.9 5.1 21 74 52.3 375930107120000 SLUMGULLION PASS, CO 2004-03-26 2004 OB -11.6 4 5 10 7.8 2.8 <0.9 6.4 3.4 1.4 4.8 7.1 2.3 3.8 5 19 81 39.1 375930107120000 SLUMGULLION PASS, CO 2005-03-23 2005 OB -6.6 4 5.4 4 5.5 <1.7 1.3 1 2.3 <1.1 3.5 5 0.5 3.6 38 140 24.8 375930107120000 SLUMGULLION PASS, CO 2006-03-30 2006 OB 15 4.2 6.3 0.5 18.5 1.6 1.3 1 2.7 1.4 4 7.1 1.22 4.2 35 135 52.9 375930107120000 SLUMGULLION PASS, CO 2007-03-29 2007 OB 8.6 4 6 1 19 2.5 1.3 4.3 <1 2 5.2 6.4 0.96 3.6 24 99 45.9 375930107120000 SLUMGULLION PASS, CO 2008-04-01 2008 OB 5.8 4.5 5.5 3.2 13 1.6 1.3 1.3 1.7 1.1 2.7 5 0.28 43 147 52 375930107120000 SLUMGULLION PASS, CO 2009-03-18 2009 OB 19.2 4.4 6.4 0.4 20.5 2.5 1.7 2.6 1.6 1.4 3.3 5 1.29 0.24 31.3 25 84 66.7 375930107120000 SLUMGULLION PASS, CO 2010-03-25 2010 OB 11.2 3.9 6.1 0.8 19 2.5 1.3 1.3 2.7 1.1 2.9 5.7 0.57 6.2 33 127 60 375930107120000 SLUMGULLION PASS, CO 2011-03-22 2011 OB 9.4 4.9 5.9 1.3 13.5 1.6 1.7 1.3 3 0.8 3.1 5 0.79 19.5 32 124 56.3 375930107120000 SLUMGULLION PASS, CO 2012-03-20 2012 OB 24 5 5.4 4 19 4.1 2.2 8.2 3.2 3.1 4.2 4 1.5 0.21 8.71 23 89 70.3 375930107120000 SLUMGULLION PASS, CO 2013-03-21 2013 OB 12 4 5.5 3.2 18.5 3.3 2.2 3.6 2.9 2.3 3.7 7.1 1.1 0.13 7.87 20 84 55.4 375930107120000 SLUMGULLION PASS, CO 2014-03-22 2014 OB 6 3 5.9 1.3 11.5 2.5 1.3 1.8 3.2 1.4 3.5 5.8 0.88 0.15 0.17 30 114 44.1 375930107120000 SLUMGULLION PASS, CO 2015-03-24 2015 OB 2.6 3 5.7 2 8 1.6 1.3 1.8 4.2 1.7 2.7 4.3 0.69 0.12 8.41 29 104 42.4 375930107120000 SLUMGULLION PASS, CO 2016-03-21 2016 OB 298 34.9 7.3 0.1 229.5 45.3 4.3 32.2 4.4 3.7 8.3 5 1.31 0.47 12.1 31 102 94.6