Methodology for PCF Calculations of Lubricants, Greases and other Specialties
Nature of the methodology
The methodology document is a guidance document available to all lubricant industry stakeholders. Users apply the methodology on a voluntary basis and nothing in the methodology document forms part of a contract.
Disclaimer
The methodology is co-owned by UEIL and ATIEL. Neither UEIL nor ATIEL assume any responsibility for the use of the methodology that is made by lubricant industry stakeholders. UEIL and ATIEL cannot be held liable for the correctness of the results generated by using the methodology and the use of the results by lubricant industry stakeholders.
Change Report
Change Report for Document Version 1.2 Date: 22.08.2025
In comparison to the previous version 1.1 of the document (dated 14.10.2024), the following updates and modifications have been made:
1. New Sections Added: o Section 2.2 Applicable Standards and Alignment with External Guidance introduced.
o Section 6 subdivided into Section 6.1 (Reporting Requirements for Lubricant Manufacturers and Suppliers) and Section 6.2 (Additional Reporting Requirements for Suppliers).
2. Sections Updated: o Section 2.1: Acceptance hierarchy for PCRs and industry methodologies revised and relocated to the new Section 2.2.
o Section 2.3.2: Clarified that secondary data may be used if primary data collection is not practicable, in line with ISO 14067.
o Section 3.1.2: Specified that three Data Quality Indicators (Technological, Temporal, Geographical representativeness) are mandatory, while Completeness and Reliability are optional, consistent with other industry guidelines.
o Section 3.3: Mass allocation reclassified under Step 3(allocation via physical relationships), as mass is considered an inherent physical relationship in lubricants, greases, and specialty manufacturing.
o Section 4: Added an example for determining the biogenic and total carbon content in the product.
3. Minor Wording and Clarification Adjustments: o General wording improvements have been made throughout the document to enhance clarity and consistency. These changes do not affect the overall content but improve readability.
Version 1.2, 15.10.2025 © ATIEL and UEIL
Page 4 of 40 This document is a controlled document only in electronic form. Printed versions or copies are not subject to change service
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