REP06600

• Permit No: C1981008
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: TABLE OF CONTENTS
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

GROUND WATER G!UALITY F'AF;AMETERS
SITE GW-N4R
' FOF:MATIOIV DAk;OTA COAL
DATE OF COLLECTION OS/18/94 11/19/93
FIELD PARAMETERS
Conductivity (UMY.OS/CM) 3200 3520
pH 6.86 6.59
' Water Temperature (DEG C) 18.U 11.0
LABORATORY PARAMETERS
' ACIDITY, DISS. (mg/1 OF CAC03) 0 O
ALk:ALINITY. DISS. (mg/1 OF CAC03) 600 570
ALUMINUM, DIS5. (mg/1) 0.18 -U.OS
ARSENIC, DISS. (µg/1) -1 -1
' BARIUM, DISS. (µg/1) -10
BICARBONATE, DISS. (mg/1) 600 570
BORON, DISS. (µg/1) U.29 250
' CADMIUM, DISS. (µg/1) -5 -5
CALCIUM, DISS. (mg/1) 487 458
CARPONATE, DISS. (mg/1) 0 0
CHLORIDE, DISS. (mg/1) 38 40
CONDUCTIVITY a7 25 DEG C (UMHOS/CM) 6030 5990
COF'F'ER. DISS. (µ.g/1) -1U -10
FLUORIDE, DISS. (mg/1) 0.6 0.8
' HARDNESS AS CAC03 (mg/1) 4698 4335
IRON, TOTAL (mg/1) 2.19 1.4
IRON, DISS. (mg/1) C~.78 0.13
t LEAD, DISS. (µg/1) -20 -20
MAGNESIUM, DISS. (mg/1) 849 778
MANGANESE, TOTAL (mg/1) 1.6 1.5
MANGANESE, DISS. (mg/1) 1.68 1.55
MERCURY, DISS. (µg/1) -0.2 -0.2
MOLYBDENUM, DISS. (µg/1) 4 2
NIC):EL. DIS5. (µg/1>
NITROGEN, AMMONIA. DISS. (mg/1) -20
0.66 -20
1.14
NITROGEN, NITRATE, DIS5. (mg/1) (].04 -0.02
NITROGEN, NITRITE, DISS. (mg/1) -C>.O1 -~].O1
F'H ~'v 25 DEG C 6.9 6.6
' P'HOSP'HATE AS F'04, DISS. (mg/1) -0.1 -0.1
POTASSIUM, DISS. (mg/1) 27 24
SELEPJIUM, DI5S. (µg/1) -SO -10
' SILVEF., TOTAL RECOVERABLE (µg/1)
SODIUM, DISS. (mg/1) 248 214
SAR
' SULFATE, DIS5. (mg/1) 4182 4437
SULFIDE, TOTAL (mgil) U.U2 -0.04
ZINC, DISS. (µg/1> -1G 10
CATION/~aNIOM EALANCE (%) 2.27 -4.43
' TOTA(_ DISSOLVED SOLIDS .~ 1BU DEG (mg/1) 6694 6594
' TOTAL DISSOLVED SOLIDS, CALCULATED (mg/1) 6923.7
TOTAL SUSPENDED SOLIDS.
LITHIUM, DISS. (mg/1) (mg/1)
0.79
1.u7
COBALT, DISS. (mg/1 ) -O.C~2 -O.C~2
BEF:VLLIUM. DISS. (mg/1) -O.C~!~5 -~!~]~-~J
VANADIUM. DISS. (mg/1) -C~.C~1 -~!.~]1