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TNI is a national document or taken-over technical report (TR) or publically available specification (PAS) of European or international standardization organizations. - A technical informative document which contains technical data or technical solutions not included in valid standards. TNI usually contains certified data from withdrawn standards, whose preservation is useful, or technical requirements that have not got the assumption of “designation” yet to be “produced or sold” as a standard. They are marked with the abbreviation TNI and a six-digit number which is in accordance with Czech technical standards sorting (ČNS). - In the case of taken-over international or European document – the product is taken over from European and international standardization organizations TR and PAS supplementing set of standards and specifications with TNI designation. The labeling of these documents is similar to taken-over standards (TNI/TR and TNI/PAS).
Guidance for the implementation of environmental aspects in product standards and system standards in the field of wastewater engineering
Standard published on 1.12.2017
Selected format:Submerged Membrane Bioreactor (MBR) Technology
Standard published on 1.3.2020
Selected format:Standard method for assessing and improving the energy efficiency of waste water treatment plants
Standard published on 1.10.2021
Selected format:Kvalita vod - Metoda přídavků standardu.
Standard published on 1.1.2014
Selected format:Kvalita vod - Stanovení barvy pitné vody.
Standard published on 1.1.2014
Selected format:Kvalita vod - Stanovení uhlovodíků C10 až C40 ve vodách s nízkou koncentrací uhlovodíků - Metoda plynové chromatografie po extrakci rozpouštědlem.
Standard published on 1.2.2015
Selected format:Kvalita vod - Stanovení chemické spotřeby kyslíku (CHSKCr) - Metoda ve zkumavkách.
Standard published on 1.2.2013
Selected format:Kvalita vod - Stanovení adsorbovatelných organicky vázaných halogenů (AOX) v odpadních vodách s vyšší koncentrací chloridů.
Standard published on 1.11.2012
Selected format:Water quality - Guidance on the design of Multimetric Indices
Standard published on 1.9.2011
Selected format:Water quality - Scientific and technical aspects of batch algae growth inhbition tests
Standard published on 1.1.2011
Selected format:Latest update: 2024-08-30 (Number of items: 2 345 304)
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