Table 1.

Statistical table of analysis results of water quality and environmental elements in sea area

Stations	PH	Suspended solids	DO	COD	Hg	Cd	Pb	As	Cu	Zn	Inorganic nitrogen	Phosphate
Maximum	7.25	56	6.74	3.22	0.017	2.209	0.991	0.84	10.3	8.65	0.786	0.054
Minimum	7.00	22	5.18	1.78	0.009	0.902	0.548	nd	7.14	4.76	0.561	0.035
Average value	7.15	36.5	5.94	2.58	0.012	1.556	0.712	0.34	8.68	6.83	0.630	0.047