Ambient air quality - Standard gravimetric measurement method for the determination of the PM2,5 mass fraction of suspended particulate matter; German version EN 14907:2005— 35 стр.
Microbiology of food and animal feeding stuffs - Polymerase chain reaction (PCR) for the detection of food-borne pathogens - General requirements and definitions (ISO 22174:2005); German version EN ISO 22174:2005— 19 стр.
Foodstuffs - Determination of trace elements - Performance criteria, general considerations and sample preparation; German version EN 13804:2002— 13 стр.
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 45: Interlaboratory comparisons for proficiency testing of laboratories (A 45)— 36 стр.
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 45: Interlaboratory comparisons for proficiency testing of laboratories (A 45)— 36 стр.
General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005); German and English version EN ISO/IEC 17025:2005— 73 стр.