赵春风 宋小毛 吴多贵 赖朝园 邝美娟

摘要：科学的非正规垃圾填埋场的调查评估是相关部门正确决策的基础，也是未来修复后评价的依据，本文以海南省某垃圾填埋场为例，通过取样监测分析和现场周围环境实地调查，从污染源、迁移途径、污染受体三个方面，对其13项环境风险影响因子赋值，并综合分析定量评价，本非正规垃圾填埋场环境风险评估得分为24。环境风险等级为低风险。

关键词：非正规垃圾填埋场;环境风险评估;赋值;综合分析定量评估

中图分类号：X820.4    文献标识码：A    文章编号：2095-672X（2021）01-0065-07

DOI.10.16647/j.cnki.cn15-1369/X.2021.01.010

Environmental risk assessment of informal landfill sites—— Take a landfill in Hainan

Province as an example

Zhao Chunfeng， Song Xiaomao， Wu Duogui， Lai Chaoyuan， Kuang Meijuan

（Changjin Environmental Engineering （Hainan） Co.， Ltd.， Haikou Hainan 570100，China）

Abstract： Scientific investigation and evaluation of informal landfill site is the basis for relevant departments to make correct decisions， and it is also the basis for future post remediation evaluation. Taking a landfill site in Hainan Province as an example， 13 environmental risk impact factors were assigned from three aspects of pollution source， migration path and pollution receptor through sampling monitoring analysis and field investigation of surrounding environment Combined with quantitative analysis， the environmental risk assessment score of the informal landfill site is 24.The environmental risk level is low risk.

Key words：Informal landfill site; Environmental risk assessment; Assignment; Comprehensive analysis and quantitative assessment

非正規垃圾填埋场是指未按照垃圾卫生填埋场相关标准规范设计和建筑未按照相关政府部门审批程序办理土地利用规划、立项、环境保护等方面的合法手续的垃圾填埋场[1]。非正规垃圾填埋场具有环境风险较高、基础资料匮乏的特点。因此，场地调查可为非正规垃圾填埋场的治理、修复提供可靠、科学的基础数据[2]，为非正规垃圾填埋场的综合治理提供理论支撑。

1     海南省某非正规垃圾填埋场现状

该垃圾填埋场坐落于海南省，垃圾堆场区域地势呈西高东低，南高北低的趋势，表面种上了小叶桉;主要以生活垃圾为主，少量建筑垃圾及混合垃圾，未铺设防渗系统、填埋气体导排、渗滤液导排及处理等设施，沿着垃圾堆场的边界开挖有排水沟。西侧和东侧为橡胶林，北侧和南侧为桉树林，周边1000m范围内无居民区、地表水等敏感点。该垃圾堆场内的垃圾在原地形上堆填起来，当垃圾量达到一定程度时，当地的环卫主管部门在垃圾堆放场内挖坑将垃圾填埋在地下。……