Table 1.--A compilation of resnits performed by the Salt Lake City CentralLaboratory from January through June 1973. A comparison is included withresults previously obtained under the Standard Reference Water Sample Program.
SRWS Constituent. No. of Central Laboratory reported values SRWS Central Lab SRWS
% ofNo. determined determinations (in. "Blind" samples Mean Mean std der, std dev, reports i 1,5 a>
24 810 ------ 23 8,4 6,5 6.5, 7.5, 7.7 7.71 7.12 0.35 0.60 1002
Ca 23 18 12 la,
13, 14 12.7 12,8 0.6 0.7 91.3Mg 23 2.2 1,9 2.1, 2.1, 2.0 2.02 2.16 0.11 0.37 100Na-------- 23 27 24 26, 26, 26 25.5 25.4 0.7 0.8 87.0K 23 0,9 0.6 0.8, 0.8, 0.8 0.77 0.78 0.08 0.13 100HCO3------ 23 41 34 35, 36, 35 36.2 34.7 1.9 1.2 73.9804------- 23 31 30 30, 31, 31 30,2 29.5 0.4 1.5 100C1 23 28 26 27, 27, 26 27.0 27.1 0.4 1.3 100P--------- 23 015 0.'2 0.3, 0,4, 0.51Ê 0.38 0.32 0.07 0.07 - 87DSRD------ 23 128 121 128, 126, 125 124.4 125.2 1.8 5.4 100Sp Cond--- 23 224 216 216, 220, 224 220.2 217.4 2,9 4.4 100
pH 23 8.2 7.3 7.7, 8,0$,
7.7 7.68 7,59 0.21 0.26 91.3St-----~-- 23 100 60 90, 100, 100 82 77 12 29 100
27 8102------ 27 7.6 6.0 6.01,
7.6$,
7,2 7.18 6,89 0.21 0.45 88,9Ca 27 14 13 14, 14, 13 13.2 13.2 0.4 0.7 100kg 27 3.2 2.1 2.4, 2.4, 2.2 2.31 2.48 0.12 0,51 100Na-------- 27 3.7 3.1 3.4, 3.4, 3.4 3.36 3.36 0.14 0.28 100K---------
27 1.1 0.7 0.9, 0.9, 0.9 0.86 0.86 0.06 0.15 96.3HCO3------ 27 37 30 31, 33, 32 33.0 31.6 1.8 2.2 77.8So ------- 27 26 20 261,
22, 20 21.1 20.5 0,5 2.1 96.3C1 27 , 2.6. 1.2 2.6
, 1,2, 1.4 1.44 1,44 0 09 au
pH----- 27 8.0 7.2 8.0*, 8.0,
7.2 7.66 7,60 0.18 0,23 85,2
Gr 26 120 60 90, 110, 120 86 76 14 É' 27 96.2
8 A1 15 670 530 NDË/, 600, 580 591 610 32 70 100
Pe 15 200 120 130, ND, 120 124 115 6 32 93.3
En 15 100 50 50, ND, 70 69 66 8 17 93.3
As 14 88 56 ND, 64, 78 73 54 10 16 71.4
Cd 9 16 4 12, 6, 8 8.8 11.9 3,5 4.7 100
Cr Tot--- 14 40 10 40$Ë,20, 20 21 19*
9 14 85.7
Cu 16 260 200 230, 250, 240 247 240 10 32 100 .
Pb 15 140 67 74, 67, 73 71.5 70.0 3.2 18.7 93.3
Ni 4 5 1 5, 1, 5 3.5 6.8 1.9 6,5 100
Ag 4 17 9 17, 9, 11 12.3 41.2 4.2 38.7 100
St 15 90 60 70, 90, ND 74 75 9 29 100
Zu 16 590 490 510, 530, 530 515 522 15 34 93.8
Ba 13 800 200 ND, 400, ND 515. 152
Mo 6 5 3 ND, 5, ND - 3.3 0.8
Se------- 13 96 10 ND, ND, ND 69,5 11.2
Y 12 1.7 0.3 ND, ND, ND 0.97 0,47
30. $102'----" Il 24 23 23 23.4 22.8 0.5 1.7 100
Ca------- 12 * $7 81 82 83.7 84,6 1.6 2.8 100
Ng------- 12 23 22 2 22 22.4 22.2 0.5 1,6 100
Na 12 82 77 80 80.4 79.4 1.7 2.9 100
K 12 2.7 2.2 2.3 2.41 2.55 0.13 0.39 100
HCO3----- 12 340 313 333 330.6 330.3 7.5 15,6 100
00 ------ 12 44 26 26 31,6 28.8 2.7 8.04 91.7
80 ------ 12 110 110 110 110 106 0 7 100
C1 12 33 22 22 22.9 22.9 0.3 2.2 91.7
F 12 1.1 0,9 1.0 1.05 1.00 0.07 0.11 100
NO3-N---- 12 6.3 5,4 5. 5.6 5.8 5.7 0.3 0.6 100
8; 11 930 660 930 711 727 30 45 90.9
P, Diss.- 12 0.89 0.78 0,78 0.831 0.809 0.033 0.068 100
32 A1 9 210 190 ND, 200 200 243 7 72 100
Fe 10 900 830 850, 830 854 831 21 97 100
Kn 10 130 110 120, 130 124 110 8 17 100
At 1 ND, 62 58,1 15.6
Gd 10 10 6 6, 10 9.3 9.9 0.7 2.2 100
Cr, Tot--- 9 10 0 10, 10 7 11 5 11 100
Cu 9 640 570 570, 600 607 591 26 59 100
Pb 10 28 21 21, 27 25.3 27.2 1.9 12.0 100
Hg 8 8.1 5.5 7.0, ND 6,7 6.19 0.9 2.25 100
Ni 6 80 22 ND, 26 38 23.2 23.1 5.2 67
Za 10 570 520 520, 570 549 549 17 29 100
Mo 8 19 12 ND, ND 17.7 1.3
Se 8 36 15 ND, ND 22.4 6.6
Y 8 8.0 5.8 ND, ND 6.80 0.69
34 8102----- 28 39 37 38, 39$ ,37 37.5 37.0 0.6 1.3 96.4
ca 28 45 41 41, 45, 44 43.4 43.5 1.0 2.3 100
Mg 28 8,3 7,6 8.1, 7.9, 7.9 7.95 7.92 0.20 0.70 100
Na 28 47 41 46, 44, 42 44.0 43.5 1.5 1,7 96.4
K 28 22 15 16, 22,
18 17.0 16,5 1,2 1.7 92.9 .
HCO3----- 28 111 103 105, 106, 107 106.2 101.7 2.2 7.3 100
804------ 28 25 22 23, 23, 24 23.2 22.9 0.6 4.3 100
Cl------- 28 74 71 73, 73, 73 72,7 72.2 0.7 2.3 100
F 28 1,2 1.0 1.0, 1.1, 1.0 107 1.04 0.07 0.09 89.3
NO3-N-- 27 12 9.8 ND, 12, 12 11.8 12.1 0.4 1.3 96.3
DSRD----- 27 361 341 ND, 361, 353 351.6 361.5 4.1 11.3 96.3
Sp Cond-- 27 588 557 560, 564, 588$ 565.3 559,4 6.4 10.7 85.2
pH-------- 27 8.A 7.7 8.4, 8.3, 8.3 8.22 - 8.17 0.08 0.25 96.3
Sr------- 26 190 140 170, 190, 160 164 181 10 75 gag
ge------- 25 160 110 150$,
140, ND 139 109 11 26 74.1
36 810 ----- 29 5,2 4,6 4.8, 4.8, 4.7 4.70 4.53 0.09 | 0.06 100
Ca--•---- 29 64 31 63, 63, 61 62,4 61.7 0.93 2.8 96.6
Ng------- 29 13 12 13, 12, 12 12.1 11.9 0.32 0.9 100
Na------- 29 48 14 48$,
16, 16 15.9 15.4 1.0 0.9 75.9
K 29 8.1 6,4 7,5, 7,2, 7.2 7.24 7.03 0.41 0.53 96.6
HCO3----- 29 56 46 49, 48, 48 48.2 46.7 1.0 2.7 89.7
804------ 29 63 55 55, 59, 58 59.6 59,6 1,5 4.0 100
01------- 29 98 93 97, 96, 97 95.7 95.4 1.1 3.1 100
F 29 1.3 0.7 1.0, 1.0, 1.0 1.00 0.93 0.13 0.13 89.7
No3-N---- 28 3.0 2.6 ND, 2.8, 2,9 2.86 2.93 0.09 0.87 100
B 23 340 230 ND, ND, ND 262 258 24 74 100
Sp Cond-- 27 575 551 556, 559, 575 561.2 556,4 5.4 18.6 100
pH------- 27 8.2 7.4 8.1$,
8.0,
8.2$ 7.87 7,69 0.21 0.18 74.1
Sr------- 26 200 130 160, 190, 150 161 185 16 27 92.3
As------- 26 44 7 34, 28, ND 32.8 29 4.7 7 88.5
38 A1 9 380 350 ND, ND, 380, 360 363 400 10 52 100
Fe 12 1100 970 1000, 1000, 1000, 1014 1008 41 106 100
1100
Mn------- 12 60 20 30, 40, 20, 40 41 35 11 13 91.7
As------- 9 25 11 ND, ND, 2D,
14 18,2 9,8 4.1 4.1 23
Be 7 30 20 ND, ND, ND, ND 29 27 4 5 ,/ 100
Cd------- 12 10 2 3, 3, 2, 3 2.8 3.6. J' 0.4 1.1 91.7
Cr, Tot-- 11 80 30 30, 80, 50, 40 48 45 18 24 100
Cu------- 12 150 110 110, 130, 130, 140 132 145 11 38 100
PL 12 17 14 14, 16, 15, 15 15.3 16.7 1.1 9.0 100
Hg 10 4.2 0.4 3.4, 3.2, 0.41,
ND 3.33 3.32 0.38 0.86 90
an------- 12 200 160 190, 180, 190, 200 192 192 12 29 100
No------- 7 12 7 ND, 80, ND, ND 9.3 5/ 2.0 Ë/
V---- 7 8.0 6.9 ND, ND, ND, ND 7.29 0.37
1/ Concentration units ate not included, but are consistent with U.S. Geological Survey policy.
2/ These values are more than 1.5 a,d. from the SRNS mean,
1/ ND • Not Determined
g/ The HCO3and CO3 concentrations have changed for this aample. The value reported for SRWS mean and SRWS standard deviation are the values that the
5/ Mea d d
vpreviouslyob reviously
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