2009-07-15_HYDROLOGY - M1977344

• Permit No: M1977344
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/15/2009
• Doc Name: April 2009 Groundwater Monitoring Report- for Holcim ‎(US)‎ Inc.
• From: ARCADIS
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: BMK
• Media Type: D
• Archive: No

IM01
Table DA
Historical Groundwater Analytical Results from 1998 to 2001
Holcim (US) Inc.
Florence, CO
Analyte 9111/1998 1111011999 $1512000 U1U20M 1117/2000 2/812001 512112001
Field Parametem MW-5 MW-7 YW 5 MW-7 Mw-7 MWi MW-9 MW-7 MW-s MW -9 MWa MW-9 MIN 9 kwl YWi MW-9 MW-7 MW-6 11AW-9 NW-10
pH(pH units 6.93 6.94 7.09 6.65 7.26 7.41 7.34 6.7 6.691 6.68 6.65 6.781 6.741 6.951 6.981 6.941 6.721 6.861 6.841 6.771
Conductivity umhos 14501 15201 3500 4170 3030 2850 30101 3310 33401 3840 3040 33201 3690 32901 34801 24201 31601 35801 3650
7 37401
Temperature °F 801 82 591 59 85.4 62 62.3 65.1 68.31 76.3 58.8 58.5 62 59 54.9 55.2 83.71 57.41 83.21 58.51
Labonto Results I
H units 8.98 7 7.81 7.31 7.451 7.8 7.71 6.91 7.1 7 6.9 7 6.9 7 7.2 7.2 7.1 7 7.11 7
Conductiv umhos 3120 27501 40801 33901 3490 3380 3680 3330 3290 3520 3090 3110 3360 33101 32601 3490 3270 31701 3470 33801
Total Dissolved Solids 3229 39181 36601 32301 32201 3200 3560 33201 3310 3630 3110 3120 3480 31801 33201 3640 32901 3310 3630 34601
Chloride 29.7 32.81 57.9 28.5 29.41 28 33.4 25.9 27.61 31.5 27.2 26.51 30.61 27.8 27.71 311 28.11 28.41 30.1 28
Sulfate 1880 2080 22001 1 1900 1900 2300 2500 2050 21201 2330 1600 c 16701c 18401c 1720 ,c 1810 c 20401c 16201c 18001c 19901c 1740 c
Alkalinity" 334 288 440 310 3280,b 2400 b 2840, b 312 2211 256 333 2241 2541 331 288 2591 337 270 2681 399
Carbonate 0 0 11U 11 U 115 1 U 1 U 51U 51U 5 U 51 S U 5 U S U 510 51U 5 U 5,U 51U 510
Bicarbonate 4191 326 537 378 4000;b 29301b 3460 b 3121 221 256 3331 224 254 331 2881 2591 337 270, 268 399
Fluoride 1.41 1.8 0.91 0.8 0.8 1.1 1.11 0.981 1.21 1.4 0.83 1 1.3 0.81 0.951 1.2 0.911 1.21 1.3 0.89
Ammonia-N 0.051 U 0.051 U 0.881 0.52 1.17 0.44 0.67 0.91 0.45 0.64 0.72 0.531 0.711 0.361 0.571 0.14 0.61 0.491 0.7
Nitrate 2.3 0.41 2.241 0.05 U O.OSIU 0.05 U 0.05 U 0.1 U 0.2 0.1 U -6-1 75 0.21 0.15 O.11U 0.110 0.121 O. 11U 0.110 12.51O

Potassium
11
171
151
131
15.61
9.71
9.2
18
9.91
10
12.8
9.2
9.3
11.2
8.11
8.8
11.1
9 7.7
Sodium 188 112 315 144 1851 '
1311 134 164 1641 143 1611 158 136 177 20
0
1481
188
173
1981
Arsenic 0.005 U 0.0051 U 0.05 U 0.05 U 0.05 U 0.051 U 0.05 U 0.1 U 0.011 U 0.01 U 0.01
1
U
O.01 U
0.01 U
0.011 U
O.Ot 1 U
O oTu
001 U
0.01 U
0.01 U
Antimon 0.20 0.20 O.O61U OO-6 U 0.06U 0.0610 0.06 0 0.01U 0.0110 6.01 U 6.61 U 0.01U OAHU 0.010 0.010 0.010 0.010 0011U R 0.01U
Barium 0.1 U 01 U 0441 005 0.02 0.031 0.021 0.0181 0026 0.022 0.023 0021 6.6181 0.021 0.0281 - 0.017 0.021 0.021 0.019
Be ium 0.0110 O.Ot1U 0.005 U 0.005 U 0.005 U 0005 U 0.0051 0 0.00510 00050 0.005 U 0.005 U O.OOSIU 0.005 U 0.00510 0.005;0 0.00510 0.00510 0.00510 0.00510
Cadmium 001 U 001 U OOOSIU 0.005 U 0.005 U 0.005 U 0.005 U 0.005 U O.OOS U 0.005 U 0.005 U 0.00510 0.005 U 0005 U 0.00510 0.005 U 0.005 U 0.005N 0.00510
HexavaleM Chromium 0.01 U 0.01 U 0.011 U 0.01 U D.Ot U 0.01 U 0.01 U 0.01 U 001 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 001 U 0.01 U 0.01 U 0.01 I U 0.01 U
Lead 0.005 U 0.005U 0.05U 0.051 U 0.05U 0.05 U 0.05 U 0.003 U 0.0031 U 0.003 U 0.003 U 0.0031 U 0.003 U 0.003 U 0.003, U 0.003 U 0.003 U 0.003 U 0.003U
Mercu 0.005 U 0.005 U 00002 U 0.00021 U 0.0002 U 0.00021 U 0.0002 U 0.0002 U 0.00021 U 0.0002 U 0.0002 U 0.0002 U 0.00021 U 0.00021 U 0.00112 U 0.00021 U 0.0002 U OA0021 U U 0-00021U
Nickel 0.019 0.036 0.041 U 0.04 U 0.04 U 0.04 U 0.04 U 0.04 U 0.041 U 0.04 U 0.04 U 0.041U 0.041 U 0.04; U 0.04!U 0.04 U 0.04 U 0.04 U 0.041 U 0.04 U
0.00510 0.005 U 0.1 U 0.1 U 0.1 U O.1U O.1 1U 0.00510 0.019 0.005 U 0.0052 0.012 0.00510 0.005 ,0 0.005;0 0.00510 O.OOSIU 0.00510 0.00510 0.0771
0.01U 0.010 0.01U 0.01 U
1 0.01U
1 0.0110 0.01 1U 0.0110 0.010 0.01 U 0.01 U 0.0110 0.01U 0.011U 0.0110 0.011U 0.0110 0.0110 0.010 0.011U
Thalfium 0.1 U O.11U OJIU 0.1 U 0.12 0.14 0.1 U O.O11U 001'0 0.01 U 0.01 U O.O11U 0.01 U OO1U O.O11U O.O11U O.O11U 0.0110 0.0110 0.0110
W 0.531 0.561 8.521 1.6 0.541 0.05 0.05 U 0.1 U 0.1 U 0.18 O.11U O.TU 0.1 U 0.21 U 0.1 O.11U 0.1 U 0.11U
0.05 U 0.051 U 5.451 2.14 1 8 .03 0.38 3.8 1.5 1.7 0.91 1.11 1.6 0.54 2.9 2.31 0.671 2.71
0.01 U 0.01 U 0.11 0.35 1 0671 0.211 0.5 08 09 0.47 0.651 1 0.421 0.541 082 0.47 0.41 0.86 0.321
1
26.31 1 39.8 278 177 185 1781 225 1 1 2101 1 1921 242 1861 244 1801 1701 1 2341 1871 1761 224 1 1991
1981 1 379 3331 1 457 4561 4951 1 517 1 1 4911 1 4801 503 487 490 5381 4171 4221 1 4911 1 4371 455 477 436
1