Institute for Interlaboratory Studies (iis)

Spijkenisse, NetherlandsAccepts international participants

Accreditation self-declared (RvA)

Independent institute in Spijkenisse, the Netherlands, that organises interlaboratory studies and proficiency tests on fuels, petroleum products, petrochemicals and gases, and on consumer products such as textiles, leather and footwear, polymers, toys and dried paint.

Testing fields

  • Petroleum, fuels & lubricants
  • Materials & construction
  • Textiles & consumer products
  • Other
Visit provider website (iisnl.com, opens in a new tab)

iisnl.com

Schemes (25)

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Accreditation

Status
Accreditation self-declared
Accreditation body
RvA
Certificate number
R007

Self-declared: stated by the provider and not yet verified by EqasOnline.

About this listing

Compiled from Institute for Interlaboratory Studies (iis)'s own published information or sent in by the provider, and reviewed by EqasOnline. Check scheme details, fees and dates with the provider before you enrol. 25 schemes listed here.

Last updated 1 Nov 2026.

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Other providers listing schemes in the same testing fields, those in Netherlands first.

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  • Agenzia delle Dogane e dei Monopoli (ADM) – Direzione Antifrode, Ufficio Laboratori, Settore Proficiency Testing

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    Schemes: Food and feed – chemical-physical testing (Dairy, animal products, beverages, fruit and vegetables, cereals, fats and oils, cocoa, infant formula, animal feed)Food and feed – immunological, molecular biological and microbiological testingFood and feed – organoleptic (sensory) testing

    • Microbiology
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  • FARE Labs Private Limited (PT Division)

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    Schemes: Bakery & Confectionery Products-I (Bakery product)Beverages (Alcoholic/Non-Alcoholic)-II (Wine/beer/whisky)Edible Oil and Fats-I (Edible oil)

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    Institute for Interlaboratory Studies (iis): PT/EQA schemes in Spijkenisse, Netherlands | EqasOnline