Water quality. Guidance on marine biological surveys of hard-substrate communities Ingestion-build-48348 Heaters designed exclusively for industrial

Heaters designed exclusively for industrial purposes

the translucency of which is achieved by mechanical treatment during the manufacturing process

Notification Producer

The requirements for the heating performances are laid down in EN 303‑1:2017 and EN 303‑2:2017

Water quality. Guidance on marine biological surveys of hard-substrate communities Ingestion-build-48348 Heaters designed exclusively for industrial1 Scope This International Standard provides guidance for marine biological surveys of supralittoral, eulittoral and sublittoral hard substrate for environmental impact assessment and monitoring in coastal areas. This International Standard comprises development of the sampling programme, survey methods, species identification, and storage of data and collected material. This International Standard specifies the minimum requirements for environmental