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Table 8 Enrichment factor

From: Effect of urbanization on heavy metal contamination: a study on major townships of Kannur District in Kerala, India

Sample ID Sampling location Pb (ppm) As (ppm) Hg (ppm) Cd (ppm) Zn (ppm)
S1 New Mahe Beach 1.69 0.517 4.448 2.636 0.258
S2 Punnol Beach 1.394 0.153 4.358 3.32 0.055
S3 Thalassery Harbour 11.739 0.618 15.423 1.674 0.848
S4 Thalassery Market 17.645 0.746 15.947 11.631 1.086
S5 Co-operative Hospital, Thalassery 14.371 0.892 13.668 4.606 0.849
S6 Dharmadam Beach 7.693 0.47 13.585 9.057 0.511
S7 Edakkad Beach 1.205 0.154 4.302 4.78 0.045
S8 Aadi Kadalayi Beach 3.467 0.189 5.253 7.004 0.24
S9 Mapila Bay Harbour 9.432 0.816 2.21 3.483 0.64
S10 Kannur New Bus Stand 17.484 0.79 14.95 11.735 1.068
S11 Payyambalam Beach 2.625 0.223 5.635 4.294 0.254
S12 Valapattanam 25.252 0.383 17.701 5.163 1.448
S13 Azhikkal Port Jetty 14.395 0.724 12.187 8.592 0.58
S14 Azhikkal 17.252 0.794 11.723 10.34 0.854
S15 Pazhayangadi 9.286 0.174 5.195 5.038 0.245
S16 Chootad Beach 1.49 0.251 8.163 4.082 0.185
S17 Thaliparamba 14.455 0.825 13.227 4.59 0.967
S18 Kuppam Bridge 3.044 0.168 8.275 2.422 0.767
S19 Perumba 1.23 0.946 5.705 2.646 0.671
S20 Payyanur Rly Road 10.604 0.908 14.586 6.332 0.907
Minimum   1.205 0.153 2.21 1.674 0.045
Maximum   17.645 0.946 17.701 11.735 1.448
Mean   9.288 0.537 9.827 5.671 0.624
Standard deviation   7.155 0.299 4.914 3.076 0.390