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Branch of Quality Systems

USGS Inorganic Blind Sample Project (IBSP)

NWQL Control Charts for Fiscal Year 2007 Analytes

Notes: All charts are complete, but data are subject to revision. To get a full-page chart, set your browser to print in landscape.
NWQL Charts
Nutrients
Parameter
Lab Code
Nitrate plus Nitrite as N, Fil
00631
E
1975
Nitrate plus Nitrite as N, Fil, Low-level
00631
G
1979
Nitrogen (NH3 as N), Fil, Discrete Analyzer
00608
J
3116
Nitrogen (NH3 as N), UnFil, Acidified
00610
E
2188
Nitrogen (NH3+org N as N), Fil, Kjeldahl
00623
D
1985
Nitrogen (NH3+org N as N), Fil, Acidified, Kjeldahl  
(See labcode 1985)
00623
E
1994
Nitrogen (NH3+org N as N), UnFil, Acidified, Kjeldahl
00625
D
1986
Nitrogen (NH3+NO3+NO2+org N as N), Fil, Alk. persulfate
62854
A
2754
Nitrogen (NH3+NO3+NO2+org N as N), UnFil, Acidified, Alk. persulfate
62855
A
2756
Orthophosphate as P, Fil, Discrete Analyzer
00671
L
3118
Phosphorus (total) as P, Fil, Acidified, Acid persulfate, Low-level
00666
H
2332
Phosphorus (total) as P, Fil, Alk. persulfate
00666
I
2757
Phosphorus (total) as P, Fil, Kjeldahl
00666
D
1983
Phosphorus (total) as P, Fil, Acid persulfate, Low-level
00666
G
2331
Phosphorus (total) as P, UnFil, Acidified, Kjeldahl
00665
D
1984
Phosphorus (total) as P, UnFil, Acidified, Acid persulfate, Low-level
00665
G
2333
Phosphorus (total) as P, UnFil, Acidified, Alk. persulfate
00665
H
2759
Inorganics / Physical properties
Alkalinity (Fil)
29801
A
2109
Alkalinity (UnFil, acid-neutralizing)
90410
A
0070
Aluminum (Fil, ICP-MS)
01106
G
1784
Aluminum (UnFil, ICP-MS)
01105
E
2372
Antimony (Fil, ICP-MS)
01095
G
1785
Arsenic (Fil, ICP-MS [collision cell])
01000
H
3122
Arsenic (UnFil, ICP-MS [collision cell])
01002
H
3123
Arsenic Speciation -Arsenite [As(III)] in org. Matrix (Fil, ICP-MS)
62452
B
2734
Arsenic Speciation -- Arsenate [As(V)] in org. Matrix (Fil, ICP-MS)
62453
B
2735
Arsenic Speciation -- Arsenite [As(III)] (Fil, ICP-MS)
62452
C
2744
Arsenic Speciation -- Arsenate [As(V)] (Fil, ICP-MS)
62453
C
2745
Arsenic Speciation -- Dimethylarsinate (Fil, ICP-MS)
62455
B
2737
Arsenic Speciation -- Monomethylarsonate (Fil, ICP-MS)
62454
B
2736
Barium (Fil, ICP)
01005
C
0641
Barium (Fil, ICP-MS)
01005
G
1786
Barium (UnFil, ICP-MS)
01007
D
2374
Beryllium (Fil, ICP-MS)
01010
G
1787
Beryllium (UnFil, ICP-MS)
01012
D
2375
Boron (Fil, ICP)
01020
F
2110
Boron (Fil, ICP-MS)
01020
G
2504
Boron (UnFil, ICP-MS)
01022
D
2501
Cadmium (Fil, ICP-MS)
01025
G
1788
Cadmium (UnFil, ICP-MS)
01027
I
2376
Calcium (Fil, ICP)
00915
D
0659
Calcium (UnFil, ICP)
00916
C
2356
Chloride (Fil, IC, Low-level)
00940
I
1259
Chloride (Fil, IC)
00940
J
1571
Chromium (Fil, ICP)
01030
E
0722
Chromium (Fil, ICP-MS [collision cell])
01030
J
3126
Chromium (UnFil, ICP-MS [collision cell])
01034
I
3127
Cobalt (UnFil, ICP-MS)
(This method discontinued by NWQL 05/2007)
01037
H
2378
Cobalt (Fil, ICP-MS, [collision cell])
01035
I
3124
Cobalt (UnFil, ICP-MS, [collision cell])
01037
I
3125
Copper (UnFil, ICP-MS)
(This method discontinued by NWQL 05/2007)
01042
H
2379
Copper (Fil, ICP-MS, [collision cell])
01040
I
3128
Copper (UnFil, ICP-MS, [collision cell])
01042
I
3129
Fluoride (Fil, ISE)
00950
B
0031
Iron (Fil, ICP)
01046
D
0645
Iron (UnFil, ICP)
01045
C
2359
Lead (Fil, ICP-MS)
01049
G
1792
Lead (UnFil, ICP-MS)
01051
I
2380
Lithium (Fil, ICP)
01130
B
0664
Lithium (Fil, ICP-MS)
01130
C
2505
Magnesium (Fil, ICP)
00925
C
0663
Magnesium (UnFil, ICP)
00927
C
2362
Manganese (Fil, ICP)
01056
C
0648
Manganese (Fil, ICP-MS)
01056
G
1793
Manganese (UnFil, ICP)
01055
D
2363
Manganese (UnFil, ICP-MS)
01055
C
2382
Mercury (Fil, AF)
71890
C
2707
Mercury (UnFil, AF)
71900
D
2708
Molybdenum (Fil, ICP-MS)
01060
G
1794
Molybdenum (UnFil, ICP-MS)
01062
D
2383
Nickel (Fil, ICP-MS, [collision cell])
01065
I
3130
Nickel (UnFil, ICP-MS [collision cell])
01067
J
3131
Potassium (Fil, ICP)
00935
C
2773
Potassium (Fil, ICP, Low-level)
00935
D
2774
ROE @180 deg C (Fil, Grav)
70300
A
0027
ROE @105 deg C (UnFil, Grav)
00500
A
0165
Selenium, (FIL, ICP-MS [collision cell])
01145
G
3132
Selenium, (UnFil, ICP-MS [collision cell])
01147
G
3133
Silica (Fil, COL)
00955
C
0056
Silica (Fil, ICP)
00955
D
0667
Silver (Fil, ICP-MS)
01075
G
1796
Silver (UnFil, ICP-MS)
01077
H
2386
Sodium (Fil, ICP)
00930
C
0675
Specific Conductance (UnFil)
90095
A
0069
Strontium (Fil, ICP)
01080
B
0652
Strontium (Fil, ICP-MS)
01080
I
2507
Sulfate (Fil, IC, Low-level)
00945
E
1263
Sulfate (Fil, IC)
00945
G
1572
Thallium (Fil, ICP-MS)
01057
I
2508
Uranium (Fil, ICP-MS)
22703
G
1797
Vanadium (Fil, ICP-MS, [collision cell])
01085
G
3134
Zinc (WWR, ICP-MS)
01090
I
3138
Zinc (Fil, ICP-MS, [collision cell])
01090
I
3138
Zinc (UnFil, ICP-MS, [collision cell])
01092
E
3139


For further information, contact:

Inorganic Blind Sample Project Project Chief (struzesk@usgs.gov)
U.S. Geological Survey
Denver Federal Center
Mail Stop 401, Box 25046
Denver, CO 80225
303.236.1872


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