From leaching data to release estimates: Screening and scenario assessments of electric arc furnace (EAF) slag under unencapsulated use.

ABSTRACT: Electric arc furnace (EAF) slag is the non-metallic byproduct of the primary U.S. steelmaking process. Much of the slag is marked for secondary uses as aggregates. EAF slags used as construction fill or residential groundcover are directly exposed to the environment, raising concerns of potential leaching impacts. Leaching data of EAF slags as function of eluate pH (Method 1313) and liquid-to-solid ratio (Method 1314) were used to refine an initial list of constituents of potential concern to those with potential to leach at concentrations greater than project thresholds, and to estimate release from EAF slags when used as unencapsulated groundcover. Screening assessment identified 11 of over 20 constituents requiring further assessment. Scenario-based assessments results showed that const

SUBMITTER: Yu S 

PROVIDER: S-EPMC11894602 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature