LITBK is accredited to testing of different characteristics of samples from treated bio-wastecompost (produced from green waste, sludge, California worms and other biodegradable waste), fermentation product, organic fertilizer produced by composting and anaerobic digestion and stabilized organic fraction from MBT, etc.

LITBK's clients include Regional Waste Management Systems, Regional Landfills, Biogas Plants, Producers of Organic Soil Improvers, etc.

LITBK performs testing of bio-waste characteristics in accordance with the requirements of the Ordinance on separate collection of bio-waste and treatment of biodegradable waste.

The test results are presented in a Test Report. If requested, test reports may include opinions and interpretations on how the results are used or recommendations for improving product results, as well as declaring conformity in accordance with the requirements of the applicable regulations.



Test method


Dry matter content

БДС EN 15934:2012, А

Water content

БДС EN 15934:2012, А

pH (H2O)

БДС EN 15933:2012

pH (CaCl2)

БДС EN 15933:2012

Electrical conductivity

БДС EN 13038:2012

Specific electrical conductivity

СД CEN/TS 15937:2012

Total organic carbon content (ТОС)

БДС EN 15936:2012, т.10

Loss of ignition

БДС EN 15935:2012

Particle size distribution

БДС EN 15428:2007

Total nitrogen content

БДС EN 16168:2012

Soluble forms of nitrate nitrogen

БДС EN ISO 10304-1:2009

Soluble forms of ammonium nitrogen

БДС ISO 7150-1:2002


СД CEN/TS 16202:2013

Elements content - Al, Sb, As, Ba, Be, Bi, B,

V, Fe, Hg, Cd,K/K2O,Ca/CaO, Co, Li, Mg/MgO, Mn, Cu, Mo,

Na,Ni, Pb, Se, Si, Ag, Sr, S, Tl, Ti, P/P2O5, Cr, Zn

БДС EN 16170:2016

E. coli



Salmonella spp.



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