objectives: To identify the state of heavy metal pollution in water and food in two coastal communes of Thuy nguyen District, Haiphong city in 2017- 2018. To describe the pattern of disease and the risk due to exposure to heavy metal contamination among community residents in the study area.

Studying species component, distribution of honey bee species belonging to the family of Apidae, analyzing the ecological relations and determining for using some honey bee species as an indicator of environmental pollution on the affected ecosystems (farm ecosystems, perennial garden ecosystems, cultivated forest ecosystems and evergreen forest ecosystems) in some provinces in the Northern Vietnam, contributing to the conservation of honey bee species and producing highquality honey products for the economic development of local people.

The objective of research is to build CNST using TVTS to treat pig waste water after microbiological treatment, to minimize environmental pollution. Technology is feasible when applied in practice.

Some point of view about environmental pollution in long van tu canal main content urgency,bacteriological origin of food,cause appears, affect to the food,impact born in processing food, how to avoid to food not contamination microbiological?,avoid to food contaminated microbiological.

Reseach report Environmental Toxicology "Some point of view about environmental pollution in long van tu canal" main content the urgency of topic, sources of pollution, effects of environmental pollution, solution,..