T/CSES 67-2022 Environmental Risk Assessment Technical Specification for Solid Waste Resource Products - Concrete Prefabricated Components

Scope

Scope: This document specifies the environmental risk assessment process, data preparation, hazard factor identification, exposure risk assessment, and risk control requirements for concrete precast components made from general industrial solid waste. This document is applicable to the environmental risk assessment of concrete precast components made from general industrial solid waste. Main technical content: 1. This document defines six terms and definitions, including environmental risk, general industrial solid waste, solid waste concrete precast components, exposure pathways, carcinogenic risk, and non-carcinogenic risk. 2. This document proposes the environmental risk assessment workflow for industrial solid waste concrete precast components, which mainly includes data preparation, hazard factor identification, exposure risk assessment, and risk control. 3. This document specifies the data required to be prepared before the assessment, including basic information on solid waste concrete precast components, environmental data on exposure scenarios, and social data. 4. This document proposes to identify hazard factors in solid waste concrete precast components that pose potential environmental risks to water bodies, air, and soil, as well as hazard factors that affect human health, based on the results of detection and analysis and data analysis. 5. Exposure risk assessment is divided into indoor building evaluation, outdoor building application, and post-disposal storage or landfill evaluation. Indoor building application evaluation includes building material evaluation, air environmental evaluation, and human health evaluation, with reference models for pollutant volatilization concentration and volatilization rate provided. Outdoor building application and post-disposal storage or landfill evaluation are divided into building material evaluation, water body environmental evaluation, soil environmental evaluation, air environmental evaluation, and human health

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