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 |
|