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ATTACHMENT (A): TEST SLATES AND SPECIFICATIONS
I. Test Slates by Oil Type: The routine test slates for each type of oil samples are defined in the table below. The Contractor shall perform these tests by using the test methods outlined in Paragraphs II through IV below.
| Test Slate 1 |
| Viscosity, Viscosity Index, Water, Total Base Number (TBN), Spectrochemical Analysis, Fuel Dilution, Oxidation, Insolubles, Direct Reading Ferrography or Particle Quantification |
| Test Slate 2 |
| Viscosity, Viscosity Index, Water, Spectrochemical Analysis, Total Acid Number (TAN), Particle Count |
| Test Slate 3 |
| Water, Spectrochemical Analysis, TAN |
| Test Slate 4 |
| Water, Particle Count |
| Test Slate 5 |
| Viscosity, Viscosity Index, Particle Count |
| Test Slate 6 |
| Water, Particle Count, TAN |
| Test Slate 7 |
| Viscosity, Viscosity Index, Water, Spectrochemical Analysis, TAN, Direct Reading Ferrography or Particle Quantification, Particle Count, Flashpoint, Oxidation |
| Test Slate 8 |
| Viscosity, Viscosity Index, Water, Spectrochemical Analysis, TAN, Particle Count, and Flashpoint, Oxidation |
| Test Slate 9 |
| Viscosity, Viscosity Index, Water, TBN, and Spectrochemical Analysis |
| Test Slate 10 |
| Viscosity, Viscosity Index, Water, TAN, and Spectrochemical Analysis |
| Test Slate 11 |
| Water, Spectrochemical Analysis, Particulate Count |
| Test Slate 12 |
| Analytical Ferrography |
| Test Slate 13 |
| Viscosity and Viscosity Index |
| Test Slate 15 |
| Total Base Number |
| Test Slate 16 |
| Total Acid Number |
| Test Slate 19 |
| Direct Reading Ferrography |
| Test Slate 20 |
| Particle Quantification |
| Test Slate 21 |
| Fuel Oil Dilution |
| Test Slate 22 |
| Particle Count |
| Test Slate 23 |
| Flash Point |
| Test Slate 24 |
| Spectrochemical Analysis |
Definitions of Test Slates:
| Test Slate 1: | This test slate will be used for testing used diesel engine oil samples. |
| Test Slate 2: | This test slate will be used for testing used hydraulic oil samples with Particle Count. |
| Test Slate 3: | This test slate shall be used for testing used refrigeration, circulating, compressed air, fire retardant and non-PC hydraulic oil samples. |
| Test Slate 4: | This test slate shall be used for designated hydraulic samples. |
| Test Slate 5: | This test slate shall be used for designated hydraulic samples. |
| Test Slate 6: | This test slate shall be used for designated hydraulic samples. |
| Test Slate 7: | This test slate shall be used for testing used gear oil samples. |
| Test Slate 8: | This test slate shall be used for testing used controllable pitch propeller oil samples. |
| Test Slate 9: | This test slate shall be used for testing new diesel engine oil samples. |
| Test Slate 10: | This test slate shall be used for testing new non-diesel engine oil samples and gas turbine samples. |
| Test Slate 11: | This test slate shall be used for testing steering fluid. |
All other test slates are self-defined and shall be run when instructed by the COR or designated representative.
II. Physical Test Properties
| Physical Test Property |
| Description |
| Unit of Measure |
| Viscosity |
| Test in accordance with ASTM D-445. Report Viscosity at 40°C and 100°C. |
| cSt |
| Viscosity Index |
| Calculated in accordance with ASTM D-2270 |
| unitless |
Water “Crackle” test is an acceptable screening method for test slate 1 and 6. For all “crackle” failures and all other test slates water content in accordance with the Karl Fischer water test (ASTM D-6304) shall be performed. Report any Free Water observed as percent by volume.
PPM or Percent by volume
| Total Base Number (TBN) |
| Test in accordance with ASTM D-2896/D-4739. |
| Testing Range 1-70 |
| Total Acid Number (TAN) |
| Test in accordance with ASTM D-664 or ASTM D974. |
| Testing Range up to 5.0 |
| Insolubles |
| Test in accordance with ASTM D-893 or using Fourier Transform Infrared (FTIR) spectroscopy. |
| Testing Range between 0.01 to 5.0 |
| Oxidation |
| Test in accordance with ASTM D7214 or D7414 using Fourier Transform Infrared (FTIR) spectroscopy. |
| Testing Range 1-50 A/Cm |
| Direct Reading Ferrography |
| Particle size index shall be reported in microns using industry accepted test methods. |
| Testing Range |
0-1000 microns
| Particle Quantifier (PQ) |
| Particle size index shall be reported in microns using industry accepted test methods for Particle Quantifier (Ferrous Density) |
| Testing Range 0- |
1000 microns
| Analytical Ferrography |
| Perform test as directed by DR/PQ Wear Particle Content (WPC) and/or trend analysis and requested by the Government. |
| Fuel Oil Dilution |
| Fuel dilution shall be tested in accordance with ASTM D7593 or ASTM D8004. |
| Percentage by volume (0.1-15%) |
Particle Counting Test in accordance with SAE AS4059.
Test results provided shall be the actual particle count readings in NAS 1638 and ISO 4406 4/6/14 micron size formats.
NAS 1638 and ISO 4406
| Flashpoint |
| Test in accordance with ASTM D93 or ASTM D6450. |
| Degree Fahrenheit |
| RPVOT |
| Test in accordance with ASTM D2722. |
| minutes |
III. Spectrochemical Analysis:
The Contractor shall conduct oil elemental analysis in accordance with ASTM D5185 or D6595) and report concentrations of the following elements:
| Wear Metal |
| Symbol |
| Unit of measurement |
IV. Analytical Ferrography Testing Standards:
The Contractor shall conduct ferrographic analysis as dictated by the results of DR/PQ Wear Particle Content (WPC) or as otherwise requested by Government. The following elements shall be included on each analytic ferrography report submitted to the Government:
· A representative photograph of sample from 50x-1000x in magnification
· Wear particle count
· Normal wear concentration
· Sliding wear concentration
· Severe wear concentration
· Wear particle size determination
· Dark oxide concentration
· Red oxide concentration
· Corrosive wear particle concentration
· Non-Metallic Particle Concentration
· Non-Ferrous Metallic Particle Concentration
a. A narrative with a statistical list of suspected problems and the recommended actions
b. Sample analysis data
Report analytical ferrographic results via NSWCPD site as a PDF document or Adobe Acrobat with file linking it to the original oil sample data.
The data analyst shall provide remarks to indicate the test results have been reviewed and verified. Additional information with regards to sample condition such as abnormal visual appearance, presence of contaminants or inability to perform test results due to insufficient sample, shall also be provided in the laboratory comments of the data format (Attachment B).
The data analyst shall employ analysis techniques using trend analysis or USN threshold limits to determine oil sample condition (normal, monitor, abnormal or critical) and provide alert indications.
