Small sewage treatment plants; plants without sewage aeration; operation and maintenance
€34.30
German standard methods for the examination of water, waste water and sludge; Anions (group D); determination of phosphorus compounds (D 11)
€48.79
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of biodegradability; static test (L 25)
€41.78
Sewage treatment plants - Rectangular tanks with suction type sludge scraper - Main dimensions
Sewage treatment plants; mineral filter media for percolating filters; requirements, testing, delivery, placing
Small sewage treatment plants; plants with sewage aeration; application, design, construction and testing.
Small sewage treatment plants; plants with sewage aeration; operation and maintenance.
Sewage treatment plants; trickling filter with rotary distributor; main dimensions
Treatment of the water of swimming-pools and baths
€98.32
German Standard Methods for the Analysis of Water, Waste Water and Sludge; Cations (Group E); Determination of Lead (E 6)
German standard methods for the analysis of water, waste water and sludge; Sludge and sediments (group S); Determination of pH value in sludge and sediments (S 5)
300 × 500 gully top for road gullies, class C; Assembly
300 × 500 gully top for road gullies, class C; Component parts
Discharge fittings (trap seals and accessories); principles of construction and testing
€63.27
Chlorinators for water treatment; equipment, installation and operation
