Emission control - Preparation plants for ready-mix asphalt (asphalt mixing plants).
(Emissionsminderung - Aufbereitungsanlagen für Asphaltmischgut (Asphaltmischanlagen).)

WITHDRAWN published on 1.6.2008

Emission control; lead smelter.
(Auswurfbegrenzung; Bleihütten.)

WITHDRAWN published on 1.12.1975

Emission control for aluminia-production and aluminium reduction by electrolytic process.
(Auswurfbegrenzung; Aluminiumoxidgewinnung und Aluminiumschmelzflußelektrolyse.)

WITHDRAWN published on 1.3.1974

Emission control - Aluminium reduction plants.
(Emissionsminderung - Aluminiumschmelzflußelektrolyse.)

WITHDRAWN published on 1.12.1998

Limiting of emissions; cupola - operation.
(Auswurfbegrenzung; Kupolofen-Betrieb.)

WITHDRAWN published on 1.9.1971

Instruction for the measurement of dust emissions at cupola melting furnaces.
(Anleitung für Staubauswurfmessungen an Kupolöfen.)

WITHDRAWN published on 1.8.1971

Limiting of discharges; generators; coking plants and gas works.
(Auswurfbegrenzung; Generatoren; Kokereien und Gaswerke.)

WITHDRAWN published on 1.6.1962

Emission control - Sealing constants for flange connections.
(Emissionsminderung - Kennwerte für dichte Flanschverbindungen.)

WITHDRAWN published on 1.6.2012

Emission control of sulphur dioxide; chips conveyors for the production of town gas; coke oven plants and gas works.
(Auswurfbegrenzung von Schwefeldioxid; Spaltanlagen zur Stadtgaserzeugung; Kokereien und Gaswerke.)

WITHDRAWN published on 1.12.1966

Emission control; pit coal briquetting plants.
(Emissionsminderung; Steinkohlen-Brikettfabriken.)

WITHDRAWN published on 1.7.1983