Dr. Lehners + Wittorf Beratende Ingenieure Partnerschaftsgesellschaft mbB
An der Dänischburg 10, 23569, Lübeck, Germany
- Accredited standards
- 25
- DAKKS certificates
- 3
- 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 25 standard numbers and the 11 official names we hold. When no standard matches, it searches the method text of every scope line.
DIN12
DIN 18121-2
DIN 18122-2
DIN 18125-2
DIN 18127
DIN 18128
DIN 18129
DIN 18132
DIN 18134
DIN 18196
DIN 19682-1
DIN 19682-2
DIN 19698-1
ISO 17892 series8
ISO 17892-1Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content
ISO 17892-2Geotechnical investigation and testing - Laboratory testing of soil - Part 2: Determination of bulk density
ISO 17892-3Geotechnical investigation and testing - Laboratory testing of soil - Part 3: Determination of particle density
ISO 17892-4Geotechnical investigation and testing - Laboratory testing of soil - Part 4: Determination of particle size distribution
ISO 17892-5Geotechnical investigation and testing - Laboratory testing of soil - Part 5: Incremental loading oedometer test
ISO 17892-10Geotechnical investigation and testing - Laboratory testing of soil - Part 10: Direct shear tests
ISO 17892-11Geotechnical investigation and testing - Laboratory testing of soil - Part 11: Permeability tests
ISO 17892-12Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits
EN3
EN 932-1Tests for general properties of aggregates - Part 1: Methods for sampling
EN 932-2Tests for general properties of aggregates - Part 2: Methods for reducing laboratory samples
EN 933-1Tests for geometrical properties of aggregates - Part 1: Determination of particle size distribution - Sieving method
Other standards2
19698-2
LAGA PN 98
DIN EN ISO 17892 -1; DIN EN ISO 17892 -2; DIN EN ISO 17892 -3; DIN EN ISO 17892 -4; DIN EN ISO 17892 -11; DIN EN ISO 17892 -12; DIN 18121 -2; DIN 18125 -2; DIN 18127; DIN 18128; DIN 18129; DIN 18132
DIN 18134; DIN 18196; DIN 19682 -1; DIN 19682 -2; DIN EN ISO 17892 -5; DIN EN ISO 17892 -10; DIN EN 932 -1; DIN EN 932 -2; DIN EN 933 -1; DIN 18122 -2; GDA E 3 -12; TP Gestein -StB
LAGA PN 98; DIN 19698 -1; DIN 19698-2
Read from the scope as published by DAKKS. Register refreshed 2026-11-06.
Scope as published by DAKKS
7 lines
ISO/IEC 17025
ActiveD-PL-20178-01-00
Accredited scope, certificate D-PL-20178-01-00
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | DIN EN ISO/IEC 17025:2018 | - | - |
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
ISO/IEC 17025
ActiveD-PL-20178-01-01
Accredited scope, certificate D-PL-20178-01-01
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | DIN EN ISO/IEC 17025:2018; DIN EN ISO 9001 | mineralische Baustoffe | - |
| 2 | DIN EN ISO 17892 -1; DIN EN ISO 17892 -2; DIN EN ISO 17892 -3; DIN EN ISO 17892 -4; DIN EN ISO 17892 -11; DIN EN ISO 17892 -12; DIN 18121 -2; DIN 18125 -2; DIN 18127; DIN 18128; DIN 18129; DIN 18132 | Soil | - |
| 3 | DIN 18134; DIN 18196; DIN 19682 -1; DIN 19682 -2; DIN EN ISO 17892 -5; DIN EN ISO 17892 -10; DIN EN 932 -1; DIN EN 932 -2; DIN EN 933 -1; DIN 18122 -2; GDA E 3 -12; TP Gestein -StB | Soil | - |
| 4 | DIN; EN; ISO | - | - |
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
ISO/IEC 17025
ActiveD-PL-20178-01-02
Accredited scope, certificate D-PL-20178-01-02
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | - | WasteShow page textExtracted from the scope document; tables may not line up. View scope for the original. Diese Urkundenanlage gilt nur zusammen mit der schriftlich erteilten Urkunde und gibt den Stand zum Zeitpunkt des
Ausstellungsdatums wieder. Der jeweils aktuelle Stand der gültigen und überwachten Akkreditierung ist der Datenbank
akkreditierter Stellen der Deutschen Akkreditierungsstelle zu entnehmen (www.dakks.de)
Verwendete Abkürzungen: siehe letzte Seite Seite 1 von 2
Deutsche Akkreditierungsstelle
Anlage zur Teil-Akkreditierungsurkunde D-PL-20178-01-02
nach DIN EN ISO/IEC 17025:2018
Gültig ab: 10.11.2023
Ausstellungsdatum: 10.11.2023
Diese Urkundenanlage ist Bestandteil der Akkreditierungsurkunde D-PL-20178-01-00.
Inhaber der Teil-Akkreditierungsurkunde:
Dr. Lehners + Wittorf Beratende Ingenieure Partnerschaftsgesellschaft mbB
An der Dänischburg 10, 23569 Lübeck
mit dem Standort
Dr. Lehners + Wittorf Beratende Ingenieure Partnerschaftsgesellschaft mbB
An der Dänischburg 10, 23569 Lübeck
Das Prüflaboratorium erfüllt die Anforderungen gemäß DIN EN ISO/IEC 17025:2018, um die in dieser
Anlage aufgeführten Konformitätsbewertungstätigkeiten durchzuführen. Das Prüflaboratorium erfüllt
gegebenenfalls zusätzliche gesetzliche und normative Anforderungen, einschließlich solcher in
relevanten sektoralen Programmen, sofern diese nachfolgend ausdrücklich bestätigt werden.
Die Anforderungen an das Managementsystem in der DIN EN ISO/IEC 17025 sind in einer für
Prüflaboratorien relevanten Sprache verfasst und stehen insgesamt in Übereinstimmung mit den
Prinzipien der DIN EN ISO 9001.
Prüfungen in den Bereichen:
Probenahme von Abfall;
Untersuchungen nach Ersatzbaustoffverordnung (August 2023) | - |
| 2 | LAGA PN 98; DIN 19698 -1; DIN 19698-2 | Waste | - |
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Location
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- AGROLAB PotsdamPotsdam · ~230 kmDAKKSShares 5 accredited methods and materialsEN ISO 9001LAGA PN 98DIN
- Maul + Partner Baugrund-Ingenieurbüro GmbH BEGA.tec Labor für UmweltanalytikBerlin · ~236 kmDAKKSShares 5 accredited methods and materialsEN ISO 9001LAGA PN 98DIN
- Hessisches Umweltinstitut Schöcke . Unger . Schmidt GmbH & Co. KGSöhrewald · ~308 kmDAKKSShares 5 accredited methods and materialsEN ISO 9001LAGA PN 98DIN
Accreditation data refreshed from the DAKKS register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the DAKKS entry linked above.