. 2022 Sep 20;20(9):e07552. doi: 10.2903/j.efsa.2022.7552

Table 4.

Air

Compound (name and/or code)	Toxicology
Not applicable Considering the nature of the substance, its lack of volatility, it being a constituent of most soils and the limited environmental exposure from the representative uses, a definition of residue in the environment for risk assessment triggering assessment of effects data is deemed to be unnecessary for quartz sand	2.2 mg/L air (supplementary information – studies with amorphous silica)

Compound (name and/or code)

Toxicology

Not applicable

Considering the nature of the substance, its lack of volatility, it being a constituent of most soils and the limited environmental exposure from the representative uses, a definition of residue in the environment for risk assessment triggering assessment of effects data is deemed to be unnecessary for quartz sand

2.2 mg/L air (supplementary information – studies with amorphous silica)