1. International Standard, ISO 9950 - "Industrial Quenching Oils - Determination of Cooling Characteristics - Nickel-Alloy Probe Test Method", 1995-05-01.

2. NFPA Information Report NFPA/T2.13.8-1995, "Information Report - Hydraulic fluid power - Fire resistant fluids - Definitions, classifications, and testing", December 6, 1995.

3. NFPA Recommended Standard NFPA/T2.13.1 R3-1997, “Recommended practice - Hydraulic Fluid Power - Use of fire resistant fluids in industrial systems, 4th Ed., August 14, 1997.

4. ASTM D 6200-97, “Standard Test Method for Determination of Cooling Characteristics of Quench oils by Cooling Curve Analysis”, December 10, 1997.

5. ASTM D 6482-99, “Standard Method for Cooling Curve Analysis of Aqueous Polymer Quenchants by Cooling Curve Analysis with Agitation (Tensi Method)”, November 10, 1999.

6. ASTM D 6666-01, “Standard Guide for Standard Guide for Evaluation of Aqueous Polymer Quenchants”

7. ASTM D 6710-01, “Standard Guide for Evaluation of Hydrocarbon-Based Quench Oils”

8. ASTM D 6813 – 02, “New Standard Guide for The Performance Of Hydraulic Fluids For Piston Pumps”