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TABLE 1. Summary Statistics for Standard Reference Water Samples (SRWS) and Distilled-Water Blank Samples (SBL)

(mg/L, milligrams per liter; ueq/L, microequivalents per liter; umol/L, micromoles per liter; MPV, most probable value; N, number of samples; N/A, not available)

Constituent Sample Units Mean1 of reported values Standard1 deviation Range Number of samples Expected value
Minimum1 Maximum1 Less than detection N 95% confidence MPV Standard deviation N
Alkalinity M102 ueq/L 3490 4 3490 3490 0 3 3520+/-20 80 64
SBL ueq/L -44 13 -52 -29 0 3
B M102 mg/L 0.313 0.017 0.287 0.338 0 9 0.31+/-0.014 0.038 29
M96 mg/L 0.083 0.008 0.072 0.094 0 7 0.115+/-0.021 0.054 26
SBL mg/L <0.007 N/A <0.007 <0.007 10 10
T107 mg/L 0.128 0.012 0.119 0.146 0 8 0.13+/-0.007 0.021 37
Ba SBL mg/L 0.002 N/A 0.002 0.002 9 10
T107 mg/L 0.215 0.014 0.199 0.238 0 8 0.192+/-0.003 0.011 53
Ca M102 ueq/L 4020 140 3830 4270 0 9 4100+/-50 200 65
M96 ueq/L 2190 70 2090 2290 0 7 2160+/-20 100 63
SBL ueq/L 0.9 0.1 0.7 1.1 1 10
T107 ueq/L 580 30 550 630 0 8 584+/-10 30 60
Cl M104 ueq/L 2000 9 1990 2020 0 5 1950+/-20 79 64
M110 ueq/L 7520 40 7460 7560 0 5 7500+/-80 310 77
DOC KPH mg/L 0.27 0.08 0.18 0.33 0 7 0.2 N/A N/A
KPH mg/L 10 0.4 9.5 10.5 0 7 10.2 N/A N/A
KPH mg/L 29.9 1.7 26.5 31.8 0 7 30.2 N/A N/A
Fe SBL mg/L <0.006 N/A <0.006 <0.006 10 10
T107 mg/L 0.052 0.007 0.045 0.061 0 8 0.052+/-0.002 0.007 68
H4SiO4 M102 umol/L 108 5 100 114 0 9 110+/-2 8 45
M96 umol/L 234 12 214 249 0 7 226+/-7 22 46
SBL umol/L 7 N/A 7 7 9 10
T107 umol/L 134 9 125 149 0 8 130+/-3 8 43
Li SBL mg/L 0.01 N/A 0.01 0.01 9 10
T107 mg/L 0.195 0.019 0.174 0.228 0 8 0.193+/-0.007 0.014 21
Mg M102 ueq/L 4790 230 4340 5150 0 9 4800+/-0 200 66
M96 ueq/L 1770 90 1610 1870 0 7 1790+/-20 91 61
SBL ueq/L 2.1 2.3 0.9 5.5 6 10
T107 ueq/L 174 17 151 208 0 8 173+/-2 11 61
Mn SBL mg/L 0.0007 N/A 0.0007 0.0007 9 10
T107 mg/L 0.046 0.003 0.043 0.05 1 8 0.045+/-0.002 0.006 68
Na M102 ueq/L 4800 400 4200 5200 0 9 4698+/-52 200 66
M96 ueq/L 2600 300 2300 2900 0 7 2540+/-30 110 58
SBL ueq/L 3.5 1.7 1.3 7.2 0 10
T107 ueq/L 940 100 820 1110 0 8 900+/-10 48 65
pH M102 8.56 0.04 8.53 8.6 0 3 8.4+/-0 0.1 69
SBL 5.4 0.5 4.9 6 0 3
SO4 M112 ueq/L 540 12 521 555 0 7 521+/-6 31 95
M96 ueq/L 2830 0.7 2830 2840 0 6 2890+/-40 160 55
P11 ueq/L 15.9 0.2 15.6 16.1 0 3 22.1+/-4 7.7 15
SBL ueq/L >8.3 N/A >8.3 >8.3 45 47
Sr M102 mg/L 1.37 0.06 1.29 1.46 0 9 1.34+/-0.037 0.093 24
M96 mg/L 0.57 0.03 0.54 0.61 0 7 0.538+/-0.012 0.029 21
SBL mg/L 0.0006 N/A 0.0006 0.0006 9 10
T107 mg/L 0.065 0.006 0.058 0.075 0 8 0.061+/-0.001 0.004 29
Zn SBL mg/L 0.01 N/A 0.01 0.01 9 10
T107 mg/L 0.09 0.01 0.08 0.11 0 8 0.0758+/-0.0025 0.0099 68



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Last updated: 15 January, 2013 @ 12:42 PM (KP)