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Table 4 Results of mercury with uncertainty in SPM analyzed by AAS-HG

From: Quantifying uncertainty in measurement of mercury in suspended particulate matter by cold vapor technique using atomic absorption spectrometry with hydride generator

Name of the site

SPM in μg/m3

Concentration of mercury in ng/m3with expanded uncertainty at 95% confidence; k = 2

Heavy traffic site (S-1); Ashram zone

395

12.6 ± 2.4

Industrial site (S-2) ; Azadpur zone

203

6.0 ± 1.2

Densely populated + Traffic site (S-3); Loni Road

2,337

14.5 ± 2.9

Ambient site (S-4) ; Pitampura zone

251

1.59 ± 0.37

Traffic site (S-5); Highway No.56

338

3.17 ± 0.63

Industrial site (S-6) ; Nariana zone

429

5.9 ± 1.2

Mix Zone (S-7); NPL zone

347

4.51 ± 0.91