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Search a Proficiency Testing (PT) scheme in the database
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Country
Netherlands
(
42
)
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Testing fields
Analytical chemistry
(
17
)
Calibration
(
25
)
Electromagnetic compatibility
(
1
)
Electrotechnics / electronics
(
5
)
Emissions of gases / vapours
(
7
)
Environmental conditions
(
5
)
Environmental protection
(
5
)
Fluid dynamics
(
1
)
Occupational safety
(
2
)
Physics
(
12
)
Sensory testing
(
3
)
Thermodynamics
(
4
)
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Air
(
8
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Electrical / electronical devices
(
10
)
Emissions
(
9
)
Exhaust gases / immissions
(
9
)
Fluid engineering
(
1
)
Gas
(
14
)
Hazardous substances
(
3
)
Laboratory / scientific equipment
(
14
)
Measuring instruments
(
23
)
Petroleum and coal products
(
4
)
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(
2
)
Reference materials
(
9
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ID
ID
Country
Country
PT provider
PT provider
PT scheme
PT scheme
Last changed
Last changed
962615
Netherlands
VSL B.V.
VSL B.V.
International Interlaboratory Comparison GOhm
[International Interlaboratory Comparison GOhm]
International Interlaboratory Comparison GOhm
[International Interlaboratory Comparison GOhm]
2025-10-22
PT provider ID
(
120379
)
139382
Netherlands
VSL B.V.
VSL B.V.
Sulfur in Natural Gas
Sulfur in Natural Gas
2025-10-22
PT provider ID
(
120379
)
1218722
Netherlands
VSL B.V.
VSL B.V.
RIAB - Identification of Asbestos in Bulk Materials
[RIAB - Ringonderzoek Identificatie Asbest in Bulkmaterialen]
RIAB - Identification of Asbestos in Bulk Materials
[RIAB - Ringonderzoek Identificatie Asbest in Bulkmaterialen]
2025-10-22
PT provider ID
(
120379
)
144507
Netherlands
VSL B.V.
VSL B.V.
NO2 in Nitrogen (10-1000 ppm)
NO2 in Nitrogen (10-1000 ppm)
2025-10-22
PT provider ID
(
120379
)
158836
Netherlands
VSL B.V.
VSL B.V.
Biogas
Biogas
2025-10-22
PT provider ID
(
120379
)
158831
Netherlands
VSL B.V.
VSL B.V.
HCl in nitrogen
HCl in nitrogen
2025-10-22
PT provider ID
(
120379
)
138929
Netherlands
VSL B.V.
VSL B.V.
CH4 in Nitrogen
CH4 in Nitrogen
2025-10-22
PT provider ID
(
120379
)
144502
Netherlands
VSL B.V.
VSL B.V.
NH3 in Nitrogen
NH3 in Nitrogen
2025-10-22
PT provider ID
(
120379
)
123103
Netherlands
VSL B.V.
VSL B.V.
Temperature and humidity
Temperature and humidity
2025-10-22
PT provider ID
(
120379
)
146147
Netherlands
VSL B.V.
VSL B.V.
high frequency (RF) attenuation measurements in the frequency range of 10 MHz to 26.5 GHz
high frequency (RF) attenuation measurements in the frequency range of 10 MHz to 26.5 GHz
2025-10-22
PT provider ID
(
120379
)
125084
Netherlands
VSL B.V.
VSL B.V.
Metrology of Electrical DC/LF: Direct current
Metrology of Electrical DC/LF: Direct current
2025-10-22
PT provider ID
(
120379
)
135466
Netherlands
VSL B.V.
VSL B.V.
Calibration of a pressure gauge, range (0-100) Mpa g
Calibration of a pressure gauge, range (0-100) Mpa g
2025-10-22
PT provider ID
(
120379
)
151967
Netherlands
VSL B.V.
VSL B.V.
Study for European laboratories - Analysis of Siloxanes
[Study for European laboratories - Analysis of Siloxanes]
Study for European laboratories - Analysis of Siloxanes
[Study for European laboratories - Analysis of Siloxanes]
2025-10-22
PT provider ID
(
120379
)
135462
Netherlands
VSL B.V.
VSL B.V.
Calibration of a pressure meter, range (0-5) Mpa g
Calibration of a pressure meter, range (0-5) Mpa g
2025-10-22
PT provider ID
(
120379
)
135454
Netherlands
VSL B.V.
VSL B.V.
Calibration of a pressure gauge, range (0-1) Mpa g
Calibration of a pressure gauge, range (0-1) Mpa g
2025-10-22
PT provider ID
(
120379
)
135458
Netherlands
VSL B.V.
VSL B.V.
Calibration of a barometer (940 - 1060) hPa
Calibration of a barometer (940 - 1060) hPa
2025-10-22
PT provider ID
(
120379
)
151718
Netherlands
VSL B.V.
VSL B.V.
Calibration of a pycnometer
Calibration of a pycnometer
2025-10-22
PT provider ID
(
120379
)
125082
Netherlands
VSL B.V.
VSL B.V.
Metrology of Dimensional: Displacement transducers
Metrology of Dimensional: Displacement transducers
2025-10-22
PT provider ID
(
120379
)
555125
Netherlands
VSL B.V.
VSL B.V.
Calibration of OIML weights F1
[Calibration of OIML weights F1]
Calibration of OIML weights F1
[Calibration of OIML weights F1]
2025-10-22
PT provider ID
(
120379
)
139391
Netherlands
VSL B.V.
VSL B.V.
Metrology of Temperature: Calibration of a Thermocouple Type S
Metrology of Temperature: Calibration of a Thermocouple Type S
2025-10-22
PT provider ID
(
120379
)
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