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["Table S2. Direct UV measurements of UV irradiation at 45 SZA off spacecraft materials and analog Mars soils."]
["1000 W xenon lamp in a nadir position with the Optronic OL-754 spectrometer at 45 SZA off-nadir (Fig. 1 in main text)."]
["All values are in W/^2."]
["Row 13 = downwelling UV irradiation measured with the Optronic OL-754 spectrometer at 30 cm below the focusing lens (see text)."]
["Row 14 is the data (W/m^2) of reflected light of the Spectralon target in the configuration described in Figure 1 in the text."]
["Rows 17 thru 40 are in W/m^2 and are calculated by the following:"]
["        1)  Convert the values to percentages (%); e.g., row 17, column B = 14.06% UVC reflectance."]
["        2)  [Row 17 (6.68%)] ÷  [Row 14 (19.87%)]  = 0.3362  = 33.6%."]
["        3)  33.6% was then inserted into Table 2 (main text) as the % UVC reflectance for Al-6061 uncoated coupon for 45 SZA."]
[]
[null,"UVC","UVB ","UVA ","Total UV "]
["Spacecraft/Soils/Rocks","(200-280nm)","(280-320 nm)","(320-400nm) ","(200-400nm)"]
["UV light (30 cm)",26.32,32.12,95.56,"154.0"]
["Spectralon",0.1987,0.2621,0.7672,1.228]
[]
[]
["Al-6061 uncoated",0.0668,"0.0890",0.2611,0.4169]
["Al-6061 clear anodized",0.0106,0.0125,0.1015,0.1246]
["Al-6061 black anodized",0.0103,0.0121,0.0323,0.0547]
["Astroquartz II/BTCY-1",0.0103,0.0136,0.0412,0.0651]
["Black paint 463-3-8",0.0105,0.0126,0.0384,0.0615]
["Chemfilm Al6061","0.0390",0.0892,0.2754,0.4036]
["Gold foil (thermal blanket)",0.0011,0.0018,"0.0040",0.0068]
["Graphite",0.0014,0.0018,0.0049,0.0081]
["Kapton tape on Al-6061",0.0014,0.0029,"0.0070",0.0113]
["MER parachute (1-ply)",0.0212,0.0274,0.3813,0.4299]
["MER parachute (4-ply)",0.0244,0.0305,0.4435,0.4984]
["Polished steel 304",0.0017,0.0047,0.0136,"0.0200"]
["Unpolished steel 304",0.0422,0.0662,0.2226,"0.3310"]
["White epoxy paint 446-21-7925",0.0006,0.0014,0.0317,0.0337]
["White epoxy paint NS43G",0.0041,0.0056,0.0693,0.0166]
[]
[]
["Palagonite (similar to JSC-1)",0.0023,0.0033,0.0123,0.0179]
["Palagonite (2-8 mm)",0.0019,0.0028,0.0119,0.0166]
["Palagonite (<0.5 mm)",0.0029,"0.0040",0.0142,0.0211]
["Palagonite (<50 µm)",0.0023,0.0032,0.0178,0.0233]
["Palagonite (>1 mm)",0.0024,0.0033,0.0121,0.0178]
["Palogonite HWMK101",0.0018,0.0029,"0.0130",0.0177]
["Palagonite HWMK103",0.0032,0.0061,0.0425,0.0518]

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