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Your partner for world-wide proficiency testing and reference material

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  • WEPAL/QUASIMEME (part of Wageningen University and Research) offer nine worldwide accredited proficiency testing programmes.
  • WEPAL/QUASIMEME is accredited according to ISO 17043 by the Dutch Accreditation Council RvA a co-signatory to the ILAC and IAF Multilateral Agreements.
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  • Soil

    All soil types

  • Plants

    Dried plant materials e.g. crops, leaves, grain

  • Fresh water sediment

    Sediments from rivers, harbor, lake

  • Marine Sediment

    Sediments from river, harbor, estuary and open sea

  • Seawater

    High and low salinity seawater, estuarine water and fresh water

  • Biota

    Fish (liver), mussel and shrimp tissue

  • Shellfish Toxins

    Amnesic, lipophillic and paralytic shellfish toxins

  • Manure & Compost

    Compost, (dry) sewage sludge, organic fertilizers

  • Biomass

    Proximate/ elementary analysis

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