T/HNNMIA 90-2023 Active Group standards

T/HNNMIA 90-2023 Soil heavy metal solidification/stabilization long-term remediation technical specifications for non-ferrous smelting sites

Publish Date: 2023-12-29 Implement Date: 2023-12-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/HNNMIA 90-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The chemical properties of soil

Publish Date: 2023-12-29

Implement Date: 2023-12-31

Scope

Main technical content: This document specifies the basic requirements, workflow, and technical requirements for long-term remediation of heavy metals in soils at non-ferrous metallurgical sites, including remediation plan formulation, feasibility testing, long-term effectiveness evaluation, technical implementation, and remediation effect assessment. This document is applicable to the long-term remediation of heavy metals in soils at sites affected by non-ferrous metallurgical activities that exceed the screening values for soil pollution risk set out in GB 36600 (Soil Environmental Quality - Risk Control Standards for Soil Pollution in Construction Land). Table A.1 Screening Values for Soil Pollution Risk in Construction Land Unit: mg/kg No. Pollutant CAS No. Screening Value First-Class Land Second-Class Land 1 Arsenic 7440-38-2 2060 2 Cadmium 7440-43-9 2065 3 Chromium (VI) 18540-29-9 3.05 7 Copper 7440-50-8 2000 18000 5 Lead 7439-92-4 400 800 6 Mercury 7439-97-6 38 7 Nickel 7440-02-0 150 900 8 Antimony 7440-36-0 201 80