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Table K1. Method Detection Limits for Analyses by IC


Sample Matrix

Units

Unit Type

Fluoride

Chloride

Nitrate

Phosphate

Sulfate

Low volume aerosol filter
mg L-1
General
0.0033
0.0078 0.0042
0.0111
0.0082
Drinking water, surface water
mg L-1
General
0.0406
0.330 0.0555
0.102
0.108
Soil, sediment
mg L-1
General
0.0487
0.0210 0.0588
0.235
0.111
aLow volume aerosol filter
ug m-3
Matrix specific
0.0035
0.0084 0.0045
0.0119
0.0088
bDrinking water, surface water
mg L-1
Matrix specific
0.0406
0.3296 0.0555
0.1018
0.1080
cSoil, sediment
mg kg-1
Matrix specific
0.4868
0.2096 0.5875
2.3531
1.1070
aTeflo® 0.2 micron 45 mm diameter filter extracted into 30 mL ultrapure water; nominal flow volume of 28 L3 of air per filter
bWater samples are analyzed by direct injection
c5 g of solid material extracted into 50 mL ultrapure water
 
 

Table K2. Mean Laboratory Reagent Blank Results


Sample Matrix

Units

Fluoride

Chloride

Nitrate

Phosphate

Sulfate

Low volume aerosol filter
mg L-1
0.0179
-0.0105
0.0531
0.0000
0.0093
Drinking water, surface water
mg L-1
0.0000
0.2693
0.0000
0.0000
0.0000
Soil
mg L-1
0.0000
0.0000
0.0000
0.0000
0.0000
Sediment
mg L-1
0.0000
0.0000
0.0000
0.0000
0.0000

 

Table K3. Mean Laboratory Fortified Matrix Recovery Results


Sample Matrix

Fluoride

Chloride

Nitrate

Phosphate

Sulfate

Low volume aerosol filter
92%
96%
106%
98%
100%
Drinking water, surface water
88%
Not reported
73%
91%
Not reported
Soil
83%
108%
82%
85%
93%
Sediment
100%
Not reported
107%
Not reported
Not reported

 
 

Table K4. Mean Relative Percent Difference Results


Sample Matrix

Fluoride

Chloride

Nitrate

Phosphate

Sulfate

Low volume aerosol filters 0.00% 23.5% 2.50% 16.6% 0.93%
Drinking water, surface water 0.00% 1.92% 5.21% 0.00% 2.07%
Soil 0.72% 4.26% 1.92% 14.9% 7.03%
Sediment 0.05% 0.02% 0.06% 0.24% 0.11%

 
 

Table K5. Mean Laboratory Fortified Blank Recovery Results


Sample Matrix

Fluoride 

Chloride 

Nitrate 

Phosphate 

Sulfate 

% Recovery Limit

Low volume aerosol filter
95%
100%
99%
97%
99%
85-115%
Drinking water, surface water
97%
103%
98%
96%
92%
85-115%
aSoil
84%
(67.7%)
80%
(74.0%)
b99%
(b97.0%)
c129%
(c83.3%)
92%
(74.4%)
80-120%
dSediment
187%
(208%)
68%
(79.9%)
b36%
(b101%)
c89%
(c57.6%)
139%
(60.0%)
80-120%
(85-115%)
aValues in parentheses are uncorrected for different preparation method
bNitrate as N
cPhosphate as P
dValues in parentheses are uncorrected for different preparation method
 
 

Table K6. QC Results for Cations in Aerosol Filters Analyzed by IC


 

Sodium 

Ammonium 

Potassium 

Magnesium 

Calcium

MDL (mg L-1)
0.0216
0.0193
0.0297
0.0074
0.0533
MDL (m g m-3)
0.0231
0.0207
0.0318
0.0079
0.0571
Average LRB (mg L-1)
0.0263
0.0153
-0.0112
0.0042
-0.0456
Average LFM 103%
102%
97.8% 94.9% 98.8%
Average RPD 10.2%
12.5%
8.49% 16.7% 8.91%
Average LFB 99.5%
93.7%
95.2% 94.7% 99.3%

 

Table K7. Method Detection Limits for Analyses by ICP-ES and AAS


Instrument

Analyte

Units

Method Detection Limit

Accuracy

Precision

aAir Filter

Water

Soil: Acid Extract

ICP-ES
Al
ppm
0.0114 0.0227 0.242
± 30%
± 10%
 
Sb
ppm
0.0026 0.0046 0.9172
± 30%
± 10%
 
Ba
ppm
0.0002 0.0001 0.13
± 30%
± 10%
 
Be
ppm
0.0002 0.0001 0.0156
± 30%
± 10%
 
Bi
ppm
NA
0.0031 0.6288
± 30%
± 10%
 
Cd
ppm
0.0006 0.0003 0.0002
± 30%
± 10%
 
Ca
ppm
0.0044 0.1189 2.08
± 30%
± 10%
 
Cr
ppm
0.0006 0.0008 0.1658
± 30%
± 10%
 
Co
ppm
0.0007 0.0002 0.0440
± 30%
± 10%
 
Cu
ppm
0.0003 0.0010 0.1922
± 30%
± 10%
 
Fe
ppm
0.0024 0.0164 1.42
± 30%
± 10%
 
Pb
ppm
0.0026 0.0007 0.1473
± 30%
± 10%
 
Mg
ppm
0.0020 0.0109 0.87
± 30%
± 10%
 
Mn
ppm
0.0002 0.0001 0.0249
± 30%
± 10%
 
Mo
ppm
0.0006 0.0002 0.031
± 30%
± 10%
 
Ni
ppm
NA
0.0002 0.0347
± 30%
± 10%
 
K
ppm
0.0153 0.0175
NA
± 30%
± 10%
 
Na
ppm
TBD
0.1332 0.145
± 30%
± 10%
 
Sr
ppm
0.0006 0.0004 0.14
± 30%
± 10%
 
V
ppm
0.0038 0.0007 0.1492
± 30%
± 10%
 
Zn
ppm
0.0002 0.0025 0.24974
± 30%
± 10%
AAS (bCV)
Hg
ppt
NA
10
10
± 30%
± 20%
AAS (cFIH)
Sb
ppt
NA
55 280
± 30%
± 20%
 
As
ppt
NA
27 140
± 30%
± 20%
 
Se
ppt
NA
42 210
± 30%
± 20%
AAS (dGF)
Sb
ppb
2.0
1.5
2.0
± 30%
± 20%
 
As
ppb
1.0
0.38
1.0
± 30%
± 20%
 
Cd
ppb
0.2
0.02
0.2
± 30%
± 20%
 
Cr
ppb
0.5
0.5
0.5
± 30%
± 20%
 
Co
ppb
0.8
0.69
0.8
± 30%
± 20%
 
Cu
ppb
0.5
0.28
0.5
± 30%
± 20%
 
Pb
ppb
1.0
0.98
1.0
± 30%
± 20%
 
Ni
ppb
0.5
0.44
0.5
± 30%
± 20%
 
Se
ppb
1.0
NA
1.0
± 30%
± 20%
 
Zn
ppb
5.0
NA
5.0
± 30%
± 20%
amg per filter
bCold vapor
cFlow injection hydride
dGraphite furnace