Evaluation of physical and chemical feature of seawater at Do Son tourism zone - Hai Phong in 2001

ABSTRACT

30 samples of sea water at the Do Son coast in 3 sections of Do Son tourism zone was randomly analyzed by using the cross - sectional study in 2001. Physical feature most of sea water samples analyzed at section I of Do Son did not reach standards of hygiene, samples in section II and III reached hygiene standards, except for color feature, only 60% samples had hygiene standards. Chemical feature all samples analyzed had higher NH3 and NaCL concentration than that of permitted standards. This is an interested issue to limit sea water pollution in this tourism zone