| Type of Sample / Test | Test Description | Standard | HOKLAS Accreditation | IAS Accreditation |
| Bituminous materials | Quantitative extraction of bitumen from bituminous paving mixtures | ASTM D2172-95 (Method A using a shing method) | Yes | - |
| ASTM D2172/D2172M-17e1 (Method A using a shing method) |
| Bituminous materials | Sieve analysis of fine and coarse aggregates and materials finer than 75 micron sieve in mineral aggregates by washing | ASTM C117-95 | Yes | - |
| ASTM C117-17 |
| ASTM C136-96a with modification |
| ASTM C136/C136M-19 with modification |
| Bituminous materials | Theoretical ma ximum specific gravity of bituminous paved mixtures (weighing in water method) | ASTM D2041-95 | Yes | - |
| ASTM D2041/D2041M 19 (weighing in water method) | Yes | Yes |
| ASTM D2041/D2041M-11 (weighing in water method) | - | Yes |
| Bituminous materials | Bulk specific gravity and density of non-absorptive compacted bituminous mixtures | ASTM D2726-96a | Yes | - |
| ASTM D2726/D2726M-17 |
| Bituminous materials | Percentage air voids in compacted dense bituminous paving mixtures | ASTM D3203-94 | Yes | - |
|
| Bituminous materials | Bulk density of compacted bituminous specimens (saturated surface dry) | BS EN 12697-6: 2003 Procedure A & B | Yes | - |
|
| Bituminous materials | Air voids content of bituminous specimens | BS EN 12697-8: 2003 | Yes | - |
|
| Bituminous materials | Penetration of bituminous materials | ASTM D5 / D5M-13 | Yes | - |
|
|
| Bituminous materials | Softening Point by ring and ball method | ASTM D36 / D36M-14 | Yes | - |
|
| (pure bitumen) | BS EN 1427 : 2015 |
| Bituminous materials | Density, stability and flow of bituminous mixtures using Marshall Apparatus | ASTM D1559-89 Chapter 7, MS-2 Asphalt Mix Design Methods (7th edition 2014), Asphalt Institute | Yes | - |
| Bituminous materials (pure bitumen) | Ductility of bituminous materials | ASTM D113-07 | Yes | - |
| Bituminous materials (pure bitumen) | Solubility of asphalt materials in trichloroethylene | ASTM D2042-15 | Yes | - |
| Bituminous materials (pure bitumen) | Effects of heat and air on asphaltic materials (Thin Film Oven Test) | ASTM D1754 / D1754M-09 (Reapproved 2014) | Yes | - |
|
| ACI 228.2R-13, cl. 3.2.2 | - | - |
| Bituminous materials (pure bitumen) | Viscosity of asphalt by vacuum capillary viscometer | ASTM D2171 / D2171M-10 | Yes | - |
| Bituminous materials (pure bitumen) | Loss in mass after heating of industrial bitumen | BS EN 13303 : 2009 | Yes | - |
| Bituminous materials (pure bitumen) | Density of semi solid and solid asphalt materials by Nickel Crucible Method | ASTM D3289-17 | Yes | - |
| Bituminous materials | Sieve analysis of mineral filler for asphalt paving mixtures | ASTM D546-17 with modifications | Yes | - |
| Bituminous materials | Density of filler for bituminous paving mixtures | BS EN 196-6 :2010 : Annex NC with modification | No | - |
| Bituminous materials | Bulk Specific Gravity and Density of Compacted
Bituminous Mixtures Using Automatic Vacuum Sealing Method | ASTM D6752/D6752M-11 | - | Yes |
| ASTM D6752/D6752M-18 (excluding Cl. 6) | Yes | - |
| ASTM D6752/D6752M-18 (excluding Cl. 6) with modification |
| Bituminous materials | Standard Method of Test for Viscosity Determination of Asphalt Binder Using
Rotational Viscometer | AASHTO T 316 13
(2017) | - | Yes |
| Bituminous materials | Standard Method of Test for Viscosity Determination of Asphalt Binder Using
Rotational Viscometer | AASHTO T 316 13
(2017) with modifications | - | Yes |
| Bituminous materials | Standard Method of Test for Viscosity Determination of Asphalt Binder Using
Rotational Viscometer | AASHTO T 316 22 | - | Yes |
| Bituminous materials | Bulk specific gravity of compacted asphalt mixtures using saturated surface dry
specimens | AASHTO T166-16 (2020)
Method A | - | Yes |
| Bituminous materials | Standard Method of Test for Resistance of compacted hot mix asphalt (HMA)
to moisture-induced damage | AASHTO T283-14 | - | Yes |
| Bituminous materials | Standard Method of Test for Flash and Fire Points by Cleveland Open Cup | AASHTO T48 06 (2015) | - | Yes |
| Bituminous materials | Standard Method of Test for Flash Point of Asphalt Binder by Cleveland Open
Cup | AASHTO T48-22 | - | Yes |
| Bituminous materials | Standard Test Method for Materials Finer than 75-μm (No. 200) Sieve in Mineral
Aggregates by Washing | ASTM C117-13 | - | Yes |
| ASTM C117-17 | - | Yes |
| Bituminous materials | Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates | ASTM C136/C136M-14
with modifications | - | Yes |
ASTM C136/C136M-19
with modifications | - | Yes |
| Bituminous materials | Standard Practice for Reduction of bituminous materials to testing size | ASTM C702/C702M 18
(Method A & Method B) | - | Yes |
| Bituminous materials | Standard Test Method for Ductility of Asphalt Materials | ASTM D113-17 | - | Yes |
| Bituminous materials | Standard Test Method for Bulk Specific Gravity and Density of Compacted Bituminous
Mixtures Using Paraffin-Coated Specimens | ASTM D1188 96
(Reapproved 2002) | - | Yes |
| Bituminous materials | Standard Test Method for Effects of Heat and Air on Asphaltic Materials (Thin-
Film Oven Test) | ASTM D1754/D1754M-
20 | - | Yes |
| Bituminous materials | Viscosity of Asphalts by Vacuum Capillary
Viscometer | ASTM D2171/D2171M 10 | - | Yes |
| ASTM D2171/D2171M 18 | - | Yes |
| Bituminous materials | Bulk Specific Gravity and Density of Non-Absorptive
Compacted Bituminous Mixtures | ASTM D2726/D2726M 14 | - | Yes |
ASTM D2726/D2726M 21
(Method 10.1 & 10.2) | - | Yes |
| Bituminous materials | Thickness or Height of Compacted Bituminous Paving Mixture Specimens | ASTM D3549 93a | - | Yes |
ASTM D3549/D3549M 17
Method A | - | Yes |
ASTM D3549/D3549M 18
Method A | Yes | Yes |
| Bituminous materials | Standard Test Method for Viscosity Determination of Asphalt at Elevated
Temperatures Using a Rotational Viscometer | ASTM D4402/D4402M 15 | - | Yes |
| Bituminous materials | Standard Test Method for Penetration of Bituminous Materials | ASTM D5/D5M-20 | - | Yes |
| Bituminous materials | Standard Test Method for Mechanical Size Analysis of Extracted Aggregate | ASTM D5444-08 | - | Yes |
ASTM D5444-15 with
modifications | - | Yes |
| Bituminous materials | Standard Test Method for Asphalt Content of Asphalt Mixture by Ignition
Method | ASTM D6307-16 | - | Yes |
| ASTM D6307-19 | - | Yes |
| Bituminous materials | Standard Test Method for Bulk Specific Gravity and Density of Compacted
Bituminous Mixtures Using Automatic Vacuum Sealing Method | ASTM D6752/D6752M 11
(excluding Cl. 5) | - | Yes |
ASTM D6752/D6752M 18
(excluding Cl. 6) | - | Yes |
ASTM D6752/D6752M 18
(excluding Cl. 6) with
modifications | - | Yes |
| Bituminous materials | Standard Test Method for Flash and fire points by Cleveland Open Cup Tester | ASTM D92 18 | - | Yes |
| Bituminous materials | Methods of test for petroleum and its products
Determination of needle penetration of bituminous material | BS 2000: Part 49: 1993 | - | Yes |
| Bituminous materials | Bitumen and bituminous binders - Determination of needle penetration | BS 2000: Part 49: 2015 | - | Yes |
| Bituminous materials | Bitumen and bituminous binders - Determination of the Loss in mass after
heating of industrial bitumen | BS 2000: Part 506: 2017 | - | Yes |
| Bituminous materials | Sampling and examination of bituminous mixtures for roads and other paved
areas — Analytical test methods Binder Content and aggregate grading of bituminous
samples - Extraction bottle method: binder directly determined | BS 598-102:1996 +
Amd.1 Method 5.2 | - | Yes |
| Bituminous materials | Sampling and examination of bituminous mixtures for roads and other paved
areas — Analytical test methods
Binder Content and aggregate grading of bituminous samples - Extraction bottle
method: binder directly determined | BS 598-102:2003 +
Amd.1 Method 5.2 | - | Yes |
| Bituminous materials | Bituminous mixtures. Test methods - Determination of bulk density of
bituminous specimens | BS EN 12697-6: 2020 | - | Yes |
| Bituminous materials | Bituminous mixtures. Test methods - Determination of void characteristics of
bituminous specimens | BS EN 12697-8: 2003 | - | Yes |
| Bituminous materials | Bitumen and bituminous binders - Determination of the Loss in mass after
heating of industrial bitumen | BS EN 13303: 2017 | - | Yes |
