|
50 ppb |
2.0 ppb |
|
Compound |
Average |
Stdev |
Average |
Stdev |
MDL |
1,1 - dichloroethylene |
49.08 |
2.19 |
1.70 |
0.18 |
0.54 |
methylene chloride |
51.28 |
0.49 |
1.93 |
0.10 |
0.30 |
trans - 1,2 - dichloroethylene |
53.54 |
1.58 |
1.86 |
0.15 |
0.45 |
cis - 1,2 - dichloroethylene |
52.59 |
0.98 |
1.91 |
0.17 |
0.51 |
chloroform |
49.19 |
0.82 |
1.93 |
0.11 |
0.34 |
1,1,1 - trichloroethane |
49.23 |
1.78 |
1.73 |
0.19 |
0.58 |
carbon tetrachloride |
48.03 |
2.46 |
1.53 |
0.30 |
0.91 |
benzene |
62.22 |
1.28 |
2.19 |
0.15 |
0.46 |
trichloroethylene |
52.61 |
1.29 |
1.87 |
0.16 |
0.47 |
1,2 - dichloropropane |
49.39 |
0.73 |
1.77 |
0.10 |
0.30 |
bromodichloromethane |
51.51 |
0.67 |
1.82 |
0.10 |
0.29 |
toluene |
50.62 |
1.17 |
1.71 |
0.13 |
0.38 |
tetrachloroethylene |
54.89 |
1.69 |
1.88 |
0.16 |
0.47 |
dibromochloromethane |
83.40 |
0.75 |
2.94 |
0.14 |
0.43 |
chlorobenzene |
49.94 |
0.74 |
1.71 |
0.13 |
0.38 |
ethylbenzene |
51.51 |
1.23 |
1.73 |
0.14 |
0.42 |
1,4 - xylene |
52.50 |
1.18 |
1.73 |
0.13 |
0.40 |
1,2 - xylene |
56.26 |
1.67 |
3.83 |
0.25 |
0.75 |
bromoform |
52.97 |
0.77 |
1.92 |
0.19 |
0.56 |
1,1,2,2 - tetrachloroethane |
55.29 |
0.57 |
2.04 |
0.11 |
0.34 |
1,3 - dichlorobenzene |
53.91 |
0.45 |
1.90 |
0.12 |
0.37 |
1,4 - dichlorobenzene |
58.12 |
0.45 |
2.03 |
0.13 |
0.40 |
1,2 - dichlorobenzene |
54.88 |
0.52 |
1.96 |
0.13 |
0.40 |
1,2,4 - trichlorobenzene |
62.31 |
0.53 |
2.16 |
0.14 |
0.43 |
|
Manual |
One day -on-line |
|
1 measurement |
Average of 10 |
Stdev |
chloroform |
22.81 ppb |
19.05ppb |
1.18ppb |
Note: Repeated (10 times) analysis of solutions containing 50 ppb each compounds and 2 ppb each compound done manually after manual calibration. MDL is as 3 times
of standard deviation of the 2 ppb solution measurement. |