Harzwasserwerke Gesellschaft mit beschränkter Haftung Zentrallabor
Zur Granetalsperre 8, 38685, Langelsheim, Germany
- Accredited standards
- 63
- DAKKS certificates
- 2
- Site in our directory
- 1
What this lab is accredited for
Our reading of the DAKKS scope: each standard once, with its official name where we have checked it.
Only this lab. Searches the 63 standard numbers and the 38 official names we hold. When no standard matches, it searches the method text of every scope line.
ISO30
ISO 1724-2
ISO 6468Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes - Gas chromatographic method after liquid-liquid extraction
ISO 7027-1Water quality - Determination of turbidity - Part 1: Quantitative methods
ISO 7027-2Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters
ISO 7393-2Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
ISO 7887Water quality - Examination and determination of colour
ISO 7899-1Water quality - Detection and enumeration of intestinal enterococci - Part 1: Miniaturized method (Most Probable Number) for surface and waste water
ISO 7899-2Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method
ISO 8467Water quality - Determination of permanganate index
ISO 9308-1Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora
ISO 9308-3Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 3: Miniaturized method (Most Probable Number) for the detection and enumeration of E. coli in surface and waste water
ISO 9562Water quality - Determination of adsorbable organically bound halogens (AOX)
Show all 30
ISO 10301Water quality - Determination of highly volatile halogenated hydrocarbons - Gas-chromatographic methods
ISO 10304-1Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
ISO 10304-4Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination
ISO 10523Water quality - Determination of pH
ISO 10695Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
ISO 11732Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 12846Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment
ISO 13395Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 14189Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration
ISO 14403-2Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 2: Method using continuous flow analysis (CFA)
ISO 14911Water quality - Determination of dissolved Li+, Na+, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ and Ba2+ using ion chromatography - Method for water and waste water
ISO 15061Water quality - Determination of dissolved bromate - Method by liquid chromatography of ions
ISO 15681-2Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA)
ISO 16266Water quality - Detection and enumeration of Pseudomonas aeruginosa - Method by membrane filtration
ISO 17289Water quality - Determination of dissolved oxygen - Optical sensor method
ISO 17294-2Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes
ISO 17993Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
ISO 19458Water quality - Sampling for microbiological analysis
DIN21
DIN 38402-A19
DIN 38402-A 12
DIN 38402-A 13
DIN 38404-10
DIN 38404-C3
DIN 38404-C10
DIN 38404-C 6
DIN 38406
DIN 38406-1
DIN 38406-E1
DIN 38407-9
DIN 38407-35
Show all 21
DIN 38407-43
DIN 38407-F9
DIN 38407-F30
DIN 38407-F35
DIN 38407-F43
DIN 38408-G5
DIN 38409
DIN 38409-7
DIN 38409-H 7
EN5
EN 1484Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
EN 1622Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)
EN 17892Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS)
EN 25813Water quality - Determination of dissolved oxygen - Iodometric method
EN 27888Water quality - Determination of electrical conductivity
ISO 5667 series4
ISO 5667-1Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques
ISO 5667-3Water quality - Sampling - Part 3: Preservation and handling of water samples
ISO 5667-5Water quality - Sampling - Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems
ISO 5667-6Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams
Other standards3
19643-1
38404-C 4
38407
DIN EN ISO 9308 -1 2017 -09; DIN EN ISO 7899 -2 2000 -11; DIN EN ISO 16266 2008 -05; DIN 38407 -9 1991 -05; DIN 38407-43 2014-10; DIN EN ISO 1724 -2 2017 -01; DIN EN ISO 15061 2001 -12; DIN EN ISO 10304 -1 2009 -07; DIN EN ISO 17294 -2 2017 -01; DIN EN ISO 14403 -2 2012 -10; DIN EN ISO 10301 1997 -08
DIN EN ISO 9308 -1 2017 -09; DIN EN ISO 7899 -2 2000 -11; DIN EN ISO 9308 -1 2017 -09 LAN Intestinale Enterokokken DIN EN ISO 7899 -2 2000 -11 LAN Pseudomonas aeruginosa DIN EN ISO 16266 2008 -05 LAN ANLAGE 2; DIN EN ISO 1724 -2 2017 -01 LAN Bromat DIN EN ISO 15061 2001 -12 LAN DIN EN ISO 10304 -1 2009 -07 Chrom DIN EN ISO 17294 -2 2017 -01 LAN Cyanid DIN EN ISO 14403 -2 2012 -10 LAN 1; DIN EN ISO 10301 1997 -08 LAN Fluorid DIN EN ISO 10304 -1 2009 -07 LAN Microcystin -LR nicht belegt Nitrat DIN EN ISO 10304 -1 2009 -07
DIN EN ISO 10301; DIN 38407 -F 9; DIN 38407 -F 30; DIN EN ISO 6468; DIN EN ISO 10695; DIN 38407 -F 43
DIN EN ISO 10695 2000-12; DIN EN ISO 6468 1997-02; DIN 38407-35 2010-10; DNS P -LCQQQ -0001 2014-02; DNS P -LCQQQ -0003 2014-02; DNS P -LCQQQ -0004 2014-02; DNS P -LCQQQ -0006 2022-03; DIN EN 17892 2024-08; DIN EN ISO 12846 2012-08; DIN EN ISO 17294-2 2017-01; DIN EN ISO 10301 1997-08; DIN 38407-43 2014-10; DIN EN ISO 17993 2004-03; DNS -P-LCQQQ -0007 2023-12; DIN EN ISO 10304-4 1999-7
DIN EN ISO 10301; DIN EN ISO 6468; DIN EN ISO 10695; DIN 38407; ISO 10301
DIN EN ISO 10695 2000 -12 LAN DIN EN ISO 6468 1997 -02; DIN EN ISO 12846 2012 -08 LAN Selen DIN EN ISO 17294 -2 2017 -01 LAN Tetrachlorethen und Trichlorethen DIN EN ISO 10301 1997 -08 LAN Uran DIN EN ISO 17294 -2 2017 -01; DIN EN ISO 17294 -2 2017 -01 LAN Arsen DIN EN ISO 17294 -2 2017 -01; DIN EN ISO 17993 2004 -03 LAN Bisphenol A DNS -P-LCQQQ -0007 2023 -12 LAN Blei DIN EN ISO 17294 -2 2017 -01 LAN Cadmium DIN EN ISO 17294 -2 2017 -01 LAN Chlorat DIN EN ISO 10304 -4 1999 -7 LAN Chlorit DIN EN ISO 10304 -4 1999 -7; DIN 38407
DIN 38404 -C 4; DIN EN ISO 10523 (C 5); DIN 38404 -C 6; DIN EN 27888 (C 8); DIN 38404 -C 10; DIN EN ISO 7027 -1 (C 21); DIN EN ISO 7027 -2 (C 22); DIN EN ISO 7887 (C 1); DIN 38404 -C 3; DIN EN ISO 7393 -2 (G 4 -2); DIN 38408 -G 5
DNS -P-LCQQQ -0008 2025 -03; DIN EN ISO 17294 -2 2017 -01; DIN EN ISO 13395 1996 -12; DIN EN ISO 17993 2004-03; DIN EN ISO 10301 1997 -08; DIN 38407-43 2014-10; DIN EN ISO 11732 2005 -05; DIN 38404 -10 2012 -12; DIN EN ISO 10304 -1 2009 -07; DIN EN ISO 14189 2016 -11; DIN EN ISO 9308 -1 2017 -09; DIN 38406 -1 1983 -5; DIN EN 27888 1993 -11; DIN EN ISO 7887 -2012 -04; DIN EN 1622 2006 -10 (Anhang C); DEV B 1/2 Teil a 1971; TrinkwV §43 Absatz (3); DIN EN ISO 14911 1999 -12; DIN EN 1484 2019 -04; DIN EN ISO 8467 1995 -05; DIN EN ISO 7027 -1 2016 -11
DIN EN ISO 10523; DIN EN ISO 7027 -1; DIN EN ISO 7027 -2; DIN EN ISO 7887; DIN EN 1622
DIN EN ISO 7393 -2; DIN EN ISO 10304 -1; DIN EN ISO 10304 -4; DIN EN ISO 15061; DIN EN ISO 14911
DIN EN ISO 16266; DIN EN ISO 9308 -1; DIN EN ISO 9308 -3; DIN EN ISO 7899 -1; DIN EN ISO 7899 -2; DIN EN ISO 14189; TrinkwV § 43 Absatz 3; DIN ISO 5667 -5; DIN EN ISO 19458; UBA Empfehlung 18. Dezember 2018
DIN EN ISO 16266; DIN EN ISO 9308 -1; DIN EN ISO 9308 -3; DIN EN ISO 7899 -1; DIN EN ISO 7899 -2
DIN EN ISO 17993; DIN EN 25813; DIN ISO 17289; DNS G -CHLOR -0004; DNS G -CHLOR -0005; DIN EN 1484; DIN EN ISO 8467; DIN 38409 -H 7; DIN EN ISO 9562
DIN EN ISO 17993; DIN EN ISO 8467; DIN EN ISO 9562; DIN EN 25813; DIN EN 1484
DIN EN ISO 17294 -2 2017 -01 LAN Nickel DIN EN ISO 17294 -2 2017 -01 LAN Nitrit DIN EN ISO 13395 1996 -12; DIN EN ISO 17993 2004-03; DIN EN ISO 10301 1997 -08 LAN Vinylchlorid nicht belegt ANLAGE 3: INDIKATORPARAMETER Teil I: Allgemeine Indikatorparameter Parameter Verfahren Standort Aluminium DIN EN ISO 17294 -2 2017 -01 LAN Ammonium DIN EN ISO 11732 2005 -05 LAN Calcitlösekapazität DIN 38404 -10 2012 -12 LAN Chlorid DIN EN ISO 10304 -1 2009 -07; DIN EN ISO 14189 2016 -11 LAN Coliforme Bakterien DIN EN ISO 9308 -1 2017 -09; DIN EN ISO 17294 -2 2017 -01 LAN DIN 38406 -1 1983 -5 RIS Elektrische Leitfähigkeit DIN EN 27888 1993 -11
DIN EN ISO 10304-1; DIN EN ISO 10304-4; DIN EN ISO 15061; DIN EN ISO 14911; DIN EN ISO 14403-2; DIN EN ISO 13395; DIN EN ISO 15681-2; DIN EN ISO 11732
DIN EN ISO 10523 2012 -04; DIN EN ISO 14911 1999 -12; DIN 38409 -7 2005 -12; DIN EN ISO 15681 -2 2005 -05
DIN EN ISO 15681 -2; DIN EN ISO 11732; DIN EN ISO 12846; DIN EN ISO 17294 -2; DIN 38406
DIN 38406 -E 1; DIN EN ISO 12846; DIN EN ISO 17294 -2; DIN 38407 -F 35; DIN EN 17892; DNS P -LCQQQ -0001; DNS P -LCQ QQ -0003; DNS P -LCQQQ -0004; DNS P -HPLCMS -005
DIN EN ISO 14911 1999 -12 LAN Kalium DIN EN ISO 14911 1999 -12 LAN Magnesium DIN EN ISO 14911 1999 -12 LAN Säure - und Basekapazität DIN 38409 -7 2005 -12 LAN Phosphat DIN EN ISO 15681 -2 2005 -05; DIN 38409; ISO 14911 1999 -12 LAN Kalium DIN EN ISO 14911 1999 -12 LAN Magnesium DIN EN ISO 14911 1999 -12 LAN Säure - und Basekapazität DIN 38409 -7 2005 -12 LAN Phosphat DIN EN ISO 15681 -2 2005 -05; EN ISO 14911 1999 -12 LAN Kalium DIN EN ISO 14911 1999 -12 LAN Magnesium DIN EN ISO 14911 1999 -12 LAN Säure - und Basekapazität DIN 38409 -7 2005 -12 LAN Phosphat DIN EN ISO 15681 -2 2005 -05; EN 1
DIN 38402 -A 12; DIN 38402 -A 13; DIN EN ISO 5667 -5 (A 14); DIN EN ISO 5667 -6 (A 15); DIN 38402 -A 19; DIN EN ISO 19458 (K 19); DIN 19643 -1; Empfehlung des Umweltbundesamtes vom 18.12.2018; DEV B 1/2; DIN EN 1622 (B 3)
DIN EN ISO 5667 -1; DIN EN ISO 5667 -6; DIN EN ISO 5667 -3; DIN EN ISO 19458; DIN 38402
Read from the scope as published by DAKKS. Register refreshed 2026-11-06.
Scope as published by DAKKS
26 lines
ISO/IEC 17025
ActiveD-PL-18261-01-00
ISO/IEC 17025
ActiveD-PL-18261-01-01
Location
Labs with overlapping accredited scope in Germany
- SGS Analytics GermanyFellbach · ~353 kmDAKKSShares 9 accredited methods and materials38407EN ISO 10301EN ISO 10523
- Analytik Institut Rietzler GmbH Laborstandort und Emissionsmessstelle FürthFürth · ~274 kmDAKKSShares 8 accredited methods and materialsEN ISO 10301EN ISO 10523EN ISO 12846
- Umweltlabor ACBMünster · ~188 kmDAKKSShares 7 accredited methods and materials38407EN ISO 10301EN ISO 10523
- ALS GermanyAltenberge · ~198 kmDAKKSShares 7 accredited methods and materials38407DIN 38409EN ISO 10523
- Verein des Hygiene-Instituts des Ruhrgebiets e.V. Hygiene-Institut des Ruhrgebiets Institut für Umwelthygiene und ToxikologieGelsenkirchen · ~230 kmDAKKSShares 7 accredited methods and materialsEN ISO 10301EN ISO 10523EN ISO 12846
Accreditation data refreshed from the DAKKS register on .
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