--- kind: "section" citation: "40 C.F.R. § 1090.95" title: "40" number: "1090.95" heading: "Incorporation by reference." url: "https://uscodex.org/cfr/40/1090.95" --- # §1090.95. Incorporation by reference. - (a) Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register under 5 U.S.C. [552(a)](/usc/5/552.md?p=a) and [1](/usc/5/1.md) CFR [part 51](/cfr/40/part51.md). All approved incorporation by reference (IBR) material is available for inspection at the U.S. EPA and at the National Archives and Records Administration (NARA). Contact the U.S. EPA at: U.S. EPA, Air and Radiation Docket and Information Center, WJC West Building, Room 3334, 1301 Constitution Ave. NW, Washington, DC 20460; (202) 566-1742; a-and-r-Docket@epa.gov. For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email fr.inspection@nara.gov. The material may be obtained from the sources in the following paragraphs of this section. - (b) American Institute of Certified Public Accountants, 220 Leigh Farm Rd., Durham, NC 27707-8110; (919) 402-4500; www.aicpa-cima.org. - (1) AICPA Code of Professional Conduct, updated through December 2023; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (2) **Statements on Quality Control Standards (SQCS) No.** 8, QC [Section 10](/cfr/40/10.md): A Firm's System of Quality Control, current as of July 1, 2019; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (3) **Statement on Quality Management Standards (SQMS) No.** 1, A Firm's System of Quality Management, Issued June 2022; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (4) **Statement on Quality Management Standards (SQMS) No.** 2, Engagement Quality Reviews, Issued June 2022; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (5) **Statement on Quality Management Standards (SQMS) No.** 3, Amendments to QM [Sections 10](/cfr/40/10.md), A Firm's System of Quality Management, and 20, Engagement Quality Reviews, Issued March 2023; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (6) **Statement on Standards for Attestation Engagements (SSAE) No.** 19, Agreed-Upon Procedures Engagement, Issued December 2019; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (c) ASTM International (ASTM), 100 Barr Harbor Dr., P.O. Box C700, West Conshohocken, PA 19428-2959; (877) 909-2786; www.astm.org. - (1) ASTM D86-23ae2, Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure, approved December 1, 2023 (ASTM D86); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (2) ASTM D287-22, Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method), approved December 1, 2022 (ASTM D287); IBR approved for [§ 1090.1337(d)](/cfr/40/1090.1337.md?p=d). - (3) ASTM D975-24a, Standard Specification for Diesel Fuel, approved August 1, 2024 (ASTM D975); IBR approved for [§ 1090.80](/cfr/40/1090.80.md). - (4) ASTM D976-21e1, Standard Test Method for Calculated Cetane Index of Distillate Fuels, approved November 1, 2021 (ASTM D976); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (5) ASTM D1298-24, Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method, approved November 1, 2024 (ASTM D1298); IBR approved for [§ 1090.1337(d)](/cfr/40/1090.1337.md?p=d). - (6) ASTM D1319-20a, Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption, approved August 1, 2020 (ASTM D1319); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (7) ASTM D2163-23e1, Standard Test Method for Determination of Hydrocarbons in Liquefied Petroleum (LP) Gases and Propane/Propene Mixtures by Gas Chromatography, approved March 1, 2023 (ASTM D2163); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (8) ASTM D2622-24a, Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry, approved December 1, 2024 (ASTM D2622); IBR approved for [§§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b); 1090.1360(d); 1090.1375(c). - (9) ASTM D3231-25, Standard Test Method for Phosphorus in Gasoline, approved May 1, 2025 (ASTM D3231); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (10) ASTM D3237-22, Standard Test Method for Lead in Gasoline by Atomic Absorption Spectroscopy, approved October 1, 2022 (ASTM D3237); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (11) ASTM D3606-24a, Standard Test Method for Determination of Benzene and Toluene in Spark Ignition Fuels by Gas Chromatography, approved November 1, 2024 (ASTM D3606); IBR approved for [§ 1090.1360(c)](/cfr/40/1090.1360.md?p=c). - (12) ASTM D4052-22, Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter, approved May 1, 2022 (ASTM D4052); IBR approved for § [1090.1337(d)](/cfr/40/1090.1337.md?p=d) and [(f)](/cfr/40/1090.1337.md?p=f). - (13) ASTM D4057-22, Standard Practice for Manual Sampling of Petroleum and Petroleum Products, approved May 1, 2022 (ASTM D4057); IBR approved for [§§ 1090.1335(b)](/cfr/40/1090.1335.md?p=b); 1090.1605(b). - (14) ASTM D4177-22e1, Standard Practice for Automatic Sampling of Petroleum and Petroleum Products, approved July 1, 2022 (ASTM D4177); IBR approved for [§§ 1090.1315(a)](/cfr/40/1090.1315.md?p=a); 1090.1335(c). - (15) ASTM D4737-21, Standard Test Method for Calculated Cetane Index by Four Variable Equation, approved November 1, 2021 (ASTM D4737); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (16) ASTM D4806-25, Standard Specification for Denatured Fuel Ethanol, approved April 1, 2025 (ASTM D4806); IBR approved for [§ 1090.1395(a)](/cfr/40/1090.1395.md?p=a). - (17) ASTM D4814-25a, Standard Specification for Automotive Spark-Ignition Engine Fuel, approved December 15, 2025 (ASTM D4814); IBR approved for [§§ 1090.80](/cfr/40/1090.80.md); 1090.1395(a). - (18) ASTM D5134-21 (Reapproved 2025), Standard Test Method for Detailed Analysis of Petroleum Naphthas through n-Nonane by Capillary Gas Chromatography, approved October 1, 2025 (ASTM D5134); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (19) ASTM D5186-24, Standard Test Method for Determination of the Aromatic Content and Polynuclear Aromatic Content of Diesel Fuels By Supercritical Fluid Chromatography, approved July 1, 2024 (ASTM D5186); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (20) ASTM D5191-22, Standard Test Method for Vapor Pressure of Petroleum Products and Liquid Fuels (Mini Method), approved July 1, 2022 (ASTM D5191); IBR approved for [§ 1090.1360(d)](/cfr/40/1090.1360.md?p=d). - (21) ASTM D5453-25, Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence, approved July 1, 2025 (ASTM D5453); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (22) ASTM D5500-20a, Standard Test Method for Vehicle Evaluation of Unleaded Automotive Spark-Ignition Engine Fuel for Intake Deposit Formation, approved June 1, 2020 (ASTM D5500); IBR approved for [§ 1090.1395(c)](/cfr/40/1090.1395.md?p=c). - (23) ASTM D5599-22, Standard Test Method for Determination of Oxygenates in Gasoline by Gas Chromatography and Oxygen Selective Flame Ionization Detection, approved April 1, 2022 (ASTM D5599); IBR approved for [§ 1090.1360(d)](/cfr/40/1090.1360.md?p=d). - (24) ASTM D5769-25, Standard Test Method for Determination of Benzene, Toluene, and Total Aromatics in Finished Gasolines by Gas Chromatography/Mass Spectrometry, approved October 1, 2025 (ASTM D5769); IBR approved for [§§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b); 1090.1360(d). - (25) ASTM D5842-23, Standard Practice for Sampling and Handling of Fuels for Volatility Measurement, approved October 1, 2023 (ASTM D5842); IBR approved for [§ 1090.1335(d)](/cfr/40/1090.1335.md?p=d). - (26) ASTM D5854-25, Standard Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products, approved July 1, 2025 (ASTM D5854); IBR approved for [§ 1090.1315(a)](/cfr/40/1090.1315.md?p=a). - (27) ASTM D6201-19a, Standard Test Method for Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel for Intake Valve Deposit Formation, approved December 1, 2019 (ASTM D6201); IBR approved for [§ 1090.1395(a)](/cfr/40/1090.1395.md?p=a). - (28) ASTM D6259-23, Standard Practice for Determination of a Pooled Limit of Quantitation for a Test Method, approved May 1, 2023 (ASTM D6259); IBR approved for [§ 1090.1355(b)](/cfr/40/1090.1355.md?p=b). - (29) ASTM D6299-25a, Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance, approved July 1, 2025 (ASTM D6299); IBR approved for [§§ 1090.1300(d)](/cfr/40/1090.1300.md?p=d); 1090.1370(c); 1090.1375(a), (b), (c), and (d); 1090.1450(c). - (30) ASTM D6550-25, Standard Test Method for Determination of Olefin Content of Gasolines by Supercritical-Fluid Chromatography, approved October 1, 2025 (ASTM D6550); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (31) ASTM D6667-21, Standard Test Method for Determination of Total Volatile Sulfur in Gaseous Hydrocarbons and Liquefied Petroleum Gases by Ultraviolet Fluorescence, approved April 1, 2021 (ASTM D6667); IBR approved for [§§ 1090.1360(d)](/cfr/40/1090.1360.md?p=d); 1090.1375(c). - (32) ASTM D6708-24, Standard Practice for Statistical Assessment and Improvement of Expected Agreement Between Two Test Methods that Purport to Measure the Same Property of a Material, approved March 1, 2024 (ASTM D6708); IBR approved for [§§ 1090.1360(c)](/cfr/40/1090.1360.md?p=c); 1090.1365(d) and (f); 1090.1375(c). - (33) ASTM D6729-25, Standard Test Method for Determination of Individual Components in Spark Ignition Engine Fuels by 100 Metre Capillary High Resolution Gas Chromatography, approved October 1, 2025 (ASTM D6729); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (34) ASTM D6730-22, Standard Test Method for Determination of Individual Components in Spark Ignition Engine Fuels by 100-Metre Capillary (with Precolumn) High-Resolution Gas Chromatography, approved November 1, 2022 (ASTM D6730); IBR approved for [§ 1090.1350(b)](/cfr/40/1090.1350.md?p=b). - (35) ASTM D6751-24, Standard Specification for Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels, approved March 1, 2024 (ASTM D6751); IBR approved for [§§ 1090.300(a)](/cfr/40/1090.300.md?p=a); 1090.1350(b). - (36) ASTM D6792-25, Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories, approved November 1, 2025 (ASTM D6792); IBR approved for [§ 1090.1450(c)](/cfr/40/1090.1450.md?p=c). - (37) ASTM D7717-11 (Reapproved 2021), Standard Practice for Preparing Volumetric Blends of Denatured Fuel Ethanol and Gasoline Blendstocks for Laboratory Analysis, approved October 1, 2021 (ASTM D7717); IBR approved for [§ 1090.1340(b)](/cfr/40/1090.1340.md?p=b). - (38) ASTM D7777-24, Standard Test Method for Density, Relative Density, or API Gravity of Liquid Petroleum by Portable Digital Density Meter, approved July 1, 2024 (ASTM D7777); IBR approved for [§ 1090.1337(d)](/cfr/40/1090.1337.md?p=d). - (d) Environmental Protection Agency, Air and Radiation Docket and Information Center, WJC West Building, Room 3334, 1301 Constitution Ave. NW, Washington, DC 20460, (202) 566-1742. - (1) **CARB Test Method, 13 CA ADC § 2257; California Code of Regulations Title 13.** Motor Vehicles, Division 3. Air Resources Board, Chapter 5. Standards for Motor Vehicle Fuels, Article 1. Standards for Gasoline, Subarticle 1. Gasoline Standards that Became Applicable Before 1996, [§ 2257](/cfr/40/2257.md). Required Additives in Gasoline; amendment filed May 17, 1999; IBR approved for [§ 1090.1395(b)](/cfr/40/1090.1395.md?p=b). - (2) [Reserved] - (e) The Institute of Internal Auditors, 1035 Greenwood Blvd., Suite 401, Lake Mary, FL 32746, (407) 937-1111, or www.theiia.org. - (1) International Standards for the Professional Practice of Internal Auditing (Standards), Revised October 2016; IBR approved for [§ 1090.1800(b)](/cfr/40/1090.1800.md?p=b). - (2) [Reserved] - (f) National Institute of Standards and Technology, 100 Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, (301) 975-6478, or www.nist.gov. - (1) **NIST Handbook 158, Field Sampling Procedures for Fuel and Motor Oil Quality Testing—** A Handbook for Use by Fuel and Oil Quality Regulatory Officials, 2016 Edition, April 2016; IBR approved for [§ 1090.1410(b)](/cfr/40/1090.1410.md?p=b). - (2) [Reserved] ## Notes ### Amendments [85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4343, Jan. 15, 2025; 91 FR 16498, Apr. 1, 2026] ### Authority Authority: 42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601. ### Source Source: 85 FR 78469, Dec. 4, 2020, unless otherwise noted. ### Amendments [85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4343, Jan. 15, 2025; 91 FR 16498, Apr. 1, 2026]