Stay Ahead with PTA’s Proficiency Testing Schedule
Program Schedule
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Stay informed about upcoming schedules, deadlines, and program details to ensure your laboratory maintains the highest standards of accuracy and compliance.
1 Oct 2026
Mass/3
• 10mg • 2g • 50g • 200g
30 Jun 2027
Digital Multimeter/10
• Keysight 34465A Digital Multimeter (6½ digit) – DC Voltage (0.1 ~ 1000 V) • AC Voltage (0.1 ~ 750 V) • DC Current (0.01 ~ 3 A) • AC Current (1 ~ 3 A) • and Resistance (100 Ohm ~ 10 Meg Ohm) (Nov-26 to Jun-27)
30 Jun 2026
Digital Multimeter/9
• Keysight 34465A Digital Multimeter (6½ digit) – DC Voltage (0.1 ~ 1000 V) • AC Voltage (0.1 ~ 750 V) • DC Current (0.01 ~ 3 A) • AC Current (1 ~ 3 A) • and Resistance (100 Ohm ~ 10 Meg Ohm) (Nov-25 to Jun-26)
1 Nov 2026
Asbestos in Soils/17
• Sample Identification in Soil (Mar-26 to Nov- 26)
1 May 2027
Asbestos Identification/25
• Bulk Sample Identification (Building & Related Products) (Oct-26 to May-27)
1 May 2026
Asbestos Identification/24
• Bulk Sample Identification (Building & Related Products) (Oct-25 to May-26)
1 Nov 2026
National Asbestos Program(NAP)/45
• National Asbestos Program (Slide Fibre Counting)
(Membrane Filter Method for Estimating Airborne Asbestos Fibres) (Mar-26 to Nov-26)
1 Aug 2026
PCBs in Oil/17
• Aroclors 1016 • 1221 • 1232 • 1242 • 1248 • 1254 • 1260 and Total PCBs
31 May 2026
Air & Emissions/28
• Metals on filter paper
30 Nov 2026
Air & Emissions/29
• Particulate matter on filter paper
1 Nov 2025
Air & Emissions/27
• Particulate matter on filter paper
30 Apr 2026
Crypto & Giardia/57
• Enumeration & identification
30 Nov 2026
Crypto & Giardia/58
• Enumeration & identification
1 Nov 2025
Crypto & Giardia/56
• Enumeration & Identification
1 Feb 2026
Legionella/71
• Enumeration & identification
1 Aug 2026
Legionella/72
• Enumeration & identification
1 Sep 2026
Gravimetric/11
• Measurement of weights using 5 or 6 place microbalance to test the gravimetric component (i.e. • the use of calibrated weights and balances) • relating to the determination of inhalable/respirable dust.
1 Sep 2025
Gravimetric/10
• Measurement of weights using 5 or 6 place microbalance to test the gravimetric component (i.e. • the use of calibrated weights and balances) • relating to the determination of inhalable/respirable dust.
3 Mar 2026
Waters Micro/82
• Effluent – E. coli • Thermotolerant (Faecal) & Total Coliforms • Enterococci and Plate Count (35°C – 37°C)
22 Sep 2026
Waters Micro/83
• Potable – E. coli • Thermotolerant (Faecal) & Total Coliforms • Enterococci and Plate Count (35°C – 37°C) • P.aeruginosa and C.perfringens
7 Apr 2026
Sea Waters (Chem)/20
• Basic Chemistry: Conductivity • pH • Multitest
6 Oct 2026
Sea Waters (Chem)/21
• Trace Elements: Arsenic • Cadmium • Chromium • Copper • Iron • Lead • Manganese • Nickel • Selenium • Zinc
3 Mar 2026
Waters/353
• Arsenic • Mercury • Selenium
17 Mar 2026
Waters/354
• Nitrate • Ammonia • Orthophosphate • Total Dissolved Nitrogen • Total Dissolved Phosphorus • Nitrite • Silica
14 Apr 2026
Waters/355
• Hardness – Total Suspended Solids • Calcium • Magnesium • Total Hardness as CaCO3 • Calcium Hardness as CaCO3
5 May 2026
Waters/356
• Sulphate • Conductivity • pH • Turbidity • Colour
19 May 2026
Waters/357
• Calcium • Magnesium • Sodium • Potassium
10 Jun 2026
Waters/358
• Total Recoverable Oil and Grease
7 Jul 2026
Waters/359
• Metals (Cadmium • Chromium • Cobalt • Copper • Iron • Lead • Nickel • Thallium • Zinc)
21 Jul 2026
Waters/360
• Bromide • Chloride • Fluoride • Iodide
18 Aug 2026
Waters/361
• Metals (Aluminium • Barium • Bismuth • Boron • Lithium • Manganese • Silver • Strontium)
22 Sep 2026
Waters/362
• Total Kjeldahl Nitrogen • Total Phosphorus
27 Oct 2026
Waters/363
• Physical Parameters • Anions and Cations (Total Alkalinity as CaCO3 • Chloride • Fluoride • Potassium • Sodium • Conductivity • Sulphate • Total Dissolved Solids • Total Solids)
9 Nov 2026
Waters/364
• Sulphate • Conductivity • pH • Turbidity • Colour
24 Nov 2026
Waters/365
• Total Biochemical Oxygen Demand • Carbonaceous Biochemical Oxygen Demand • Chemical Oxygen Demand • Total Organic Carbon
1 Dec 2026
Waters/366
• Total Recoverable Oil and Grease
1 Oct 2026
Pathogens in Food/48
• Salmonella & Listeria & Cronobacter
5 May 2026
Non-Pathogens in Food/39
• E. coli • Total plate count • Coliforms • Yeast • Moulds
30 Nov 2026
Food/48
• Protein • Total Fat • Moisture • Ash • Dietary Fibre • Carbohydrate and Energy
30 Sep 2026
Dialysis Waters/9
• Total viable counts
30 Jun 2026
Eddy Current/4
• Cruciform and tee (Jul-25 to Jun-26)
30 Jun 2026
Ultrasonics/7
• Steel pipe • plate and tee
1 Jun 2027
Radiography/8
• Steel plate (Jul-26 to Jun-27)
1 Jun 2026
Radiography/7
• Steel plate (Jul-25 to Jun-26)
1 Jun 2026
Magnetic Particle Inspection/7
• Steel pipe • plate and tee and Y (Jul-25 – Jun-26)
1 Jul 2026
Magnetic Particle Inspection/8
• Steel pipe • plate • tee and Y (Jul-26 to Jun-27)
31 Oct 2026
Asphalt/17
• Bitumen Content • Grading • Maximum Density • Bulk Density • Air Voids
1 Jun 2026
Rocks/8
• Point Load Strength Index • Compressive Strength • Moisture Content • Deformability in Uniaxial Compression • Splitting Tensile Strength • Rock Porosity • CERCHAR
1 Apr 2026
Aggregates/39
• Bulk Density • Particle Density and Water Absorption of Course Aggregate • Particle Size Distribution • Material Finer than 75 μm • Particle Shape by proportional Caliper (2:1 Ratio) • Flakiness Index
1 Sep 2026
Aggregates/40
No description available
1 Nov 2026
Aggregates/41
• Particle Density and Water Absorption of Fine aggregate • Aggregate soundness by exposure to sodium sulphate • Degradation factor • Clay & fine silt – Settling method • Organic impurities other than sugar • Particle Size Distribution • Material Finer than 75 μm
1 Sep 2025
Aggregates/37
• Particle Density and Water Absorption of Coarse Aggregate • Particle Size Distribution • Material Finer than 75 µm • Particle Shape by proportional Caliper (2:1 Ratio) • Flakiness Index • Average Least Dimension
1 Nov 2025
Aggregates/38
• Particle Density and Water Absorption of Fine aggregate • Aggregate soundness by exposure to sodium sulphate • Degradation factor • Clay & fine silt – Settling method • Organic impurities other than sugar • Particle Size Distribution • Material Finer than 75 µm
31 May 2026
Concrete/37
• Compressive strength • Height • Weight • Mass per Unit Volume • Maximum Sustained Load Unit
30 Sep 2026
Concrete/38
• Compressive strength • Height • Weight • Mass per Unit Volume • Maximum Sustained Load Unit
1 Mar 2026
Soils/42
• Liquid Limit • Cone Liquid Limit • Plastic Limit • Plasticity Index • Cone Plasticity Index • Linear Shrinkage • Particle Size Distribution
1 May 2026
Soils/43
• California Bearing Ratio
1 Aug 2026
Soils/44
• Apparent Particle Density • Liquid Limit • Cone Liquid Limit • Plastic Limit • Plasticity Index • Cone Plasticity Index • Linear Shrinkage • Particle Size Distribution • Emerson Class
1 Sep 2026
Impact Testing of Metals/12
• Charpy impact
1 Sep 2025
Impact Testing of Metals/11
• Charpy impact
6 Apr 2026
Hardness Testing of metals/27
• Hardness testing of metal
1 May 2026
Hardness Testing of metals/28
• Hardness testing of metal
1 Nov 2026
Hardness Testing of metals/29
• Hardness testing of metal
1 Feb 2026
Tensile Testing of Metals/19
• Tensile Testing of Metals
15 Apr 2026
Paint/41
• Consistency – Rotational viscometer Brookfield and/or Stormer; pH; Density; Flow Cup; Surface Dry Condition Evaluation; Measurement of Specular Gloss at 60°
1 Sep 2026
Paint/42
• To be advised
30 Jun 2026
Cement/18
• Chemical composition • Loss on ignition • Specific surface area • Fineness • Laser granulometry
31 Aug 2026
Bitumen/18
• Viscosity • Density • Penetration • Softening Point • Viscosity
30 Apr 2026
Coal/52
• Coal (Proximate and Ultimate Analyses • Total Sulfur • Gross Calorific Value • Trace Elements) • Coal Ash (Ash Fusion • Ash Constituents)
31 Oct 2026
Coal/53
• Coal (Proximate and Ultimate Analyses • Total Sulfur • Gross Calorific Value • Trace Elements) • Coal Ash (Ash Fusion • Ash Constituents)
1 May 2026
Metal Alloys/49
• Ferrous
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