Detailed environmental survey and risk assessment project for the site of a chemical plant in Xuancheng, Anhui
Through the on-site site survey and data collection, a sampling technical plan is formulated. Collect soil and groundwater samples, conduct laboratory analysis, determine the pollution factors, pollution range and concentration level of soil and groundwater in the site, and the hydrogeological characteristics of the site, and evaluate the potential threat of environmental pollution to human health based on the above information, calculate The risk control value proposes a site restoration plan. Successfully passed the expert review.
Water quality improvement project and integrated service project for a river in a town in Suzhou
Through the control of source interception, endogenous treatment, live water pollution, ecological restoration and long-term control, the restoration and treatment will be carried out to maintain the main water quality indicators in the Class IV water standard in the Surface Water Environmental Quality Standard (GB3838-2002). The total nitrogen is maintained at the quasi-V water standard.
Guangxi farmland restoration project
Located in Guangxi, the Lancang River is a first-class tributary of the Hongshui River. It originates from Houba Mountain in the southeast of Danxian County, southwest of Guangxi Province. It flows from the northwest to the southeast through the counties and cities of Nandan, Hechi and Du'an, and is located in Baiwang Township, Du'an County. Injected into the Red River. The source zone of the Lancang River Basin is a large-scale tin-polymetallic ore field in China's famous Dachang orefield. Over the years, unreasonable mine development has led to serious heavy metal pollution along the banks of the Lancang River. The area of contaminated cultivated land along the bank of the Lancang River is 386 hm2, of which the total abandoned area is more than 20 hm2.
An environmental and ecological restoration project for a non-rule-free mercury refining event in Hunan
Illegal mercury refining, accumulation of waste slag, ecological restoration of pollution caused by soil and surface water.
Guizhou mercury mine restoration project
Comprehensive prevention and control project for mercury residue remaining in mercury mines.
Zhejiang cadmium contaminated farmland restoration project
Comprehensive use of bio-humic acid cadmium contaminated farmland heavy metal passivator and Zhejiang Provincial Department of Agriculture to jointly carry out the pilot project of medium-light cadmium-contaminated farmland in Zhejiang Province. The fertilizer achieves the purpose of increasing fertilizer efficiency, solidification effect and soil modifier.
Shandong fastener repair project
A chromium-zinc-contaminated site restoration project after the relocation of a fastener factory in Shandong Province, the highest concentration of zinc is 4570mg/kg, and the highest concentration of chromium is 433mg/kg.
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