PERMFILE48309

• Permit No: M1993041
• IBM Index Class Name: Permit File
• Doc Date: 6/1/1993
• Doc Name: APPLICATION FOR REGULAR 112 PERMIT DOWE FLATS MINE
• Media Type: D
• Archive: No

BASELINE SURFACE WATER QUALTfY MONITORING
1990
WITH SAMPLING EVENT COMPARLSON
•
TABLE GS
DFSW-1
DFSW-2
DFRW 9
INORGANIC PARAMETERS (2) Jun-90
m Sep•90
m Deo•80 Jun-90
m SpBO Deo-90
m Jun-90
m Sep-90 Dso90
m L
ALUMINUM U U U U U U U U
ARSENIC U U • U U U U U U
BORON (3) 1.2 0.27 • 1.1 U U 1.0 U U
CADMIUM U U • U U U U U U
CALCIUM 91.0 97.0 • 5.0 12.0 24.0 4.0 15.0 44.0
CHROMIUM U U • U U U U U U
CHROMIUM(+6) • U • • U U • U U
COPPER U U • U U U U 0.08 U
HARDNESS(Ce) 200.0 340.0 • 13.0 38.0 80.0 11.0 47.0 150.0
IRON 0.08 U • 0.2 0.08 0.08 0.2 U U
LEAD U U 0.007 0.009 0.009 U 0.005 U
MAGNESIUM ~ 25.0 23.0 • 0.1 2.0 5.0 1.0 2.0 9.0
MANGANESE 0.1 0.2 • U U U U U U
MERCURY U U • 0,001 U U U U U
NICKEL U U • U U U U U U
POTASSIUM 1.1 1.0 • 0.95 0.90 0.9 2.6 1.0 0.9
SODIUM 15.0 13.0 • 3.0 2.0 8.0 2.0 3.0 10.0
21NC U U • 0.03 U U 0.03 0.06 U
DFSW-1 DFSW2 DFSW3
ANIONS (4) Jun~90 Sep-90
m Deo90
m Jun-90
m Sep-90 Dea90
m Jun-90
m Ssp-90
m Dee-90
m
CARBONATE •• •• • •• •• •• •• •• ••
BICARBONATE 276 275 ' 35.4 452 67.2 33.7 52.2 106.0
CHLORIDE 294 22.4 • 6.10 4.45 4.46 6.10 4.13 2.48
NRRf1E U U U U U U U U
NRRATE U U 0.16 U 0.324 0.18 U 0.203
SULFATE 223 99.5 • 7.04 6.63 33.90 7.04 11.30 83.00
DFSW-1 DFSW-2 DFSW3
u
OTHER PARAMETERS (5) Jun-80 Sep-90 Deo-90 Jun•90 Sep30 Deo-90 Jun-90 Sep-80 Deo-90
pH (standard unf0e) 7.45 7.62 • 7.07 7.87 7.47 7.10 7.80 7.83
SPECIFIC CONDUCTANCE 579.0 532.0 • 25.7 63.8 150.0 28.7 84.9 288.0
(uMHO/cmQ25C)
ALKALINRY 226.0 225.0 • 29.0 37.0 55.0 27.8 42.8 86.9
(mp CeC03/L)
TOTAL DISSOLVED SOLIDS 502.0 442.0 • 52.0 67.0 171.0 63.0 83.0 231.0
(mp/l,)
TOTAL SUSPENDED SOLIDS 30.7 8.5 • 5.3 5.5 8.5 4.7 U U
(mp/L)
TURBIDITY NTU; HL 3.0 4.0 • 3.0 8.0 1.2 3.0 11.0 1.8
METHODS
(1) EPA 8260(8240)
(4) Bicarbonate -Standard Method (5) PH -EPA 150.1
(2) EPA 6001479-20
(3) Standvd Method 404A
Chloride • EPA 300.0 Specific ConducW~ee (uMHO/em p 25C) -EPA 90
Nitrate -EPA 300.0 Alkalinity (mp CeC03/I.) - Sterderd Method 403
Nitrite -EPA 300.0 Totd DroeoHed Sof'ide - Stendsrd Meltwd 2096
SuHate -EPA 300.0 Total Suspended Slide -Standard Method 209C