Sewage sludge; request for the designation of a body to carry out sample testing.

The Sewage Sludge Ordinance requires the sewage sludge producer to have certain sample tests performed on sewage sludge and application soils for sewage sludge.



A testing body (applicant) is designated (notified) for certain sample testing of soil, sewage sludge, sewage sludge mixture and sewage sludge compost provided for under the Sewage Sludge Ordinance if the applicant is

  • is reliable
  • has the necessary independence for the investigations
  • has the necessary expertise for the respective tests
  • has the required technical equipment for the tests
  • has demonstrated in regular quality assurance measures that he possesses the necessary technical competence
  • has introduced a quality assurance system according to DIN ISO EN 17025 and
  • can provide evidence of successful participation in the Interstate Interlaboratory Test (LÜRV).


The applicant does not have to observe any deadlines when submitting an application for designation (notification) as a body for certain investigations.

In case of existing notification, the application for extension shall be submitted to the competent body in due time before the expiry of the validity of the notification notice.

Required documents

  • Certificate of good conduct
  • Extract from the Central Trade Register
  • Proof of successful participation in the transnational interlaboratory comparison ("LÜRV")

    This is carried out once a year.

  • for applicants operating nationwide: accreditation certificate according to DIN ISO 17025 with annexes to the test methods

    as well as the protocol of the last laboratory audit by the accreditation body (DAKKs)

  • Declarations of commitment to future regular participation in the transnational interlaboratory comparison ("LÜRV")

    This is carried out once a year.

  • Undertaking to allow the representatives of the Bayerische Landesanstalt für Landwirtschaft access to the laboratory and to the laboratory work during normal business hours.

    The waste module must be observed.

  • Declaration of commitment to keep all samples examined for one year for subsequent examinations by the Bayerische Landesanstalt für Landwirtschaft (Bavarian State Research Centre for Agriculture).

  • in the case of applicants or responsible persons from other EU or EEA countries

    In addition to the above-mentioned proofs of reliability and expertise, equivalent foreign proofs are also sufficient if the proofs show that the above-mentioned prerequisites are fulfilled or that the requirements of the foreign country are essentially comparable with these prerequisites. The Bayerische Landesanstalt für Landwirtschaft may require the submission of a certified German translation of such foreign certificates.



  • The fees for carrying out the procedure for the designation (notification) of an investigative body are charged in accordance with the Bavarian Cost Law (KG) of 20.02.1998 and the list of costs (Art. 6 KG):

    • Fee for the notification: 200 to 400 €.
    • Fee for the interstate interlaboratory comparison (LÜRV): The fees are based on the LAWA leaflet A-3 and consist of a basic fee, a sample fee and a parameter fee.


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