SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017
SOUTHWEST RESEARCH INSTITUTE
Office of Automotive Engineering
Fuels and Lubricants Research Division
6220 Culebra Road, P.O. Box 28510
San Antonio, TX 78228-0510
Paul NemethPhone: 210 522 5891
CHEMICAL
Valid To: May 31, 2026

Certificate Number: 0702.04

In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to thislaboratory to perform the following tests on fuels, lubricants, and petroleum products:
Spectroscopy:

Atomic Absorption, Emission, Inductively Coupled Plasma (ICP),UV/Visible, Magnetic, X-ray Fluorescence

Physical Properties:

Appearance, Combustion, Conductivity, Density, Flash Point,
Foaming Characteristics, Freezing Point, Gum Formation, Particle
Size, Vapor Pressure, Viscosity, Volatility

Chromatography:

Gas Chromatography, Column Chromatography, Supercritical Fluid
Chromatography, Mass Spectrometry

Wet Chemistry Measurements:

Titrametric, Volumetric, Gravimetric

Thermal Analysis:

Differential Scanning Calorimetry (DSC), Heat of Combustion,
Thermogravimetric Analysis (TGA)

Miscellaneous:Compatibility, Filter Testing, Oxidation, Wear Testing, Elastomer
TestingTest(s):Test Method(s):Chromatography
ColumnClay Gel
FIA

ASTM D2007
ASTM D1319

Gas Chromatography
Aromatics
Aromatics by GC/MS
Benzene(A2LA Cert. No. 0702.04) 07/03/2024

ASTM D5580
ASTM D5769
ASTM D3606

Page 1 of 5Test(s):Test Method(s):Chromatography (cont’d)
Gas Chromatography (cont’d)Ethanol Content
Fuel Dilution
Fuel Dilution by GC
Oil Volatility by GC
Oxygenates
Oxygenates by OFID
Simulated Distillation

ASTM D5501
ASTM D3524
ASTM D3525
ASTM D6417
ASTM D4815
ASTM D5599
ASTM D2887

Supercritical Fluid Chromatography
Aromatics by SFC
Determination of Olefin Content of Gasolines bySupercritical Fluid Chromatography
Miscellaneous
Compatibility
Aniline Point
Demusibility of Oils
Emulsion Characteristics
Miscibility
Water Reaction
Oxidation
Copper Corrosion
Corrosion of Aluminum Alloy
Corrosion Test
Oxidation Stability of Jet Fuels
RBOT
Rust Prevention
Rust Protection
TFOUT
Stability of Lubricating Oils Used in
Automotive Transmission by Artificial Aging
Hot Surface Oxidation
Low Temperature Pumpability
Oxidation Test for Engine Oils Operating in thePresence of Biodiesel Fuels

ASTM D5186
ASTM D6550

ASTM D611, Method E
ASTM D2711
ASTM D1401
ASTM D4682
ASTM D1094
ASTM D130
ASTM D4340
ASTM D1384
ASTM D873
ASTM D2272
ASTM D665
ASTM D1748
ASTM D4742
CEC L-48
CEC L-85
CEC L-105
CEC L-109

Wear Testing
Extreme Pressure Properties
Falex
HFRR
Wear Preventative

ASTM D2783
ASTM D3233
ASTM D6079
ASTM D4172

Elastomer Testing
The Evaluation of Oil – Elastomer Compatibility
Rubber Property – Effect of Liquids

CEC L-112
ASTM D471(A2LA Cert. No. 0702.04) 07/03/2024

Page 2 of 5Test(s):Miscellaneous (cont’d)Analysis of Aldehydes and Ketones in Exhaust by High
Performance Liquid Chromatography
Methanol and Ethanol Analysis by Capillary Column GC
N2O Measurement by Gas Chromatography –Electron Capture Detector
N2O Measurement by Fourier Transform Infrared (FTIR)
Spectroscopy in Accordance with Part 1065

Test Method(s):TIP 07C-006
TIP 07C-012
TIP 07C-020
TIP 07C-022

Physical Properties
Appearance
Color Saybolt
Color ASTM

ASTM D156
ASTM D1500

Engine Testing
CetaneMONRONASTM D613
ASTM D2700
ASTM D2699

Combustion
Smoke PointASTM D1322Conductivity
Conductivity

ASTM D2624

DensityDensityFlash Point
Flash and Fire Point
Pensky Martens FlashTag Flash Point
Autoignition Temperature of Chemicals

ASTM D1298; ASTM D287;
ASTM D4052
ASTM D92
ASTM D93
ASTM D56
ASTM E659

Foaming Characteristics
Foam

ASTM D892

Freezing Point
Cloud Point
Freeze Point
Pour Point
Freezing Point of Antifreeze

ASTM D2500
ASTM D2386
ASTM D97
ASTM D1177

Gum Formation
Gum Content

ASTM D381(A2LA Cert. No. 0702.04) 07/03/2024

Page 3 of 5

Test(s):Test Method(s):Physical Properties (cont’d)Particulate Contamination
Particulate Contamination
Particulate Contamination in Middle Distillate Fuels

ASTM D2276-89
ASTM D6217

Vapor Pressure
RVP
V/LViscosity
Apparent Viscosity
Brookfield
Cold Crank
Cold Filter Plugging Point
TBSViscosity
High Shear High Temperature Viscosity Measurement
ShearShear Stability
Sonic Shear
Evaluation of Mechanical Shear Stability of Lubricating
Oils
Shear Stability of Transmission Lubricants
Volatility
Distillation
Evaporation LossNOACK
Evaporating Loss of Lubricating Oils

ASTM D5191
ASTM D5188
ASTM D4684
ASTM D2983
ASTM D5293
ASTM D6371
ASTM D4683ASTM D445; ASTM D5967,
Annex A3 (VIT8)
CEC L-36
ASTM D6278
ASTM D2603; ASTM D5621
CEC L-14
CEC L-45
ASTM D86
ASTM D972
ASTM D5800
CEC L-40

SpectroscopyEmission
Nitrogen Chem.
Sulfur by Antek

ASTM D4629
ASTM D5453

ICP
Wear Metals

ASTM D5185

Magnetic
Hydrogen by NMR

ASTM D3701; ASTM D4808

UV/Visible
Naphthalene
Spectrophotometric Detection of Soot in Used Engine
Oil Samples(A2LA Cert. No. 0702.04) 07/03/2024

ASTM D1840
CEC L-82

Page 4 of 5Test(s):Test Method(s):Spectroscopy (cont’d)
X-Ray Fluorescence
Sulfur

ASTM D2622; ASTM D4294

FTIR
Oxidation by FTIR

D7214

Thermal Analysis
Heat of Combustion
Heat of Combustion

ASTM D240; ASTM D4809

TGATGA Soot in Oils

ASTM D5967, Annex A4

Wet Chemistry Measurements
Gravemetric
Ash
Ash Sulfated
Bomb Sulfur
Carbon Residue
Chlorine

ASTM D482
ASTM D874
ASTM D129
ASTM D189; ASTM D524
ASTM D808

Titrametric
Acid Base Number
Acid Number
Base Number
Nitrogen
Water by Karl Fisher

ASTM D974
ASTM D3339; ASTM D664
ASTM D2896; ASTM D4739
ASTM D3228
ASTM D6304

VolumetricFree Water
Insolubles
Water and Sediment

ASTM D4176
ASTM D893
ASTM D1796; ASTM D2709(A2LA Cert. No. 0702.04) 07/03/2024

Page 5 of 5

Accredited Laboratory
A2LA has accredited

SOUTHWEST RESEARCH INSTITUTE
San Antonio, TX

for technical competence in the field ofChemical TestingThis laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017
General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates
technical competence for a defined scope and the operation of a laboratory quality management system(refer to joint ISO-ILAC-IAF Communiqué dated April 2017).

Presented this 3rd day of July 2024.

_______________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 0702.04
Valid to May 31, 2026

For the tests to which this accreditation applies, please refer to the laboratory’s Chemical Scope of Accreditation.