Reference
Standards and reference index
The published sources behind the technical figures, specification limits and standards cited on this site.
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Management systems
- ISO 45001:2018Occupational health and safety management systems
- ISO 9001:2015Quality management systems
- ISO 14001:2015 / 2026Environmental management systems
- ISO 39001:2012Road traffic safety management systems
- ISO 14064-1:2018Greenhouse gas quantification and reporting
Safety & process safety
- IOGP Report 459Life-Saving Rules
- IOGP Report 459-1Start Work Checks
- API RP 754Process safety performance indicators, 3rd ed. 2021
- OSHA 29 CFR 1910.119Process Safety Management
Occupational safety
- OSHA 29 CFR 1910.146Permit-required confined spaces
- OSHA 29 CFR 1910.147Control of hazardous energy (LOTO)
- OSHA 29 CFR 1910.120HAZWOPER
- OSHA H₂SHydrogen sulfide hazards and standards
- ANSI/API RP 49Safe drilling of wells containing H₂S
Wells, pipelines & tanks
- API Std 53Blowout prevention equipment systems
- IADC WellSharpWell-control accreditation programme
- API RP 1160, 3rd ed.Hazardous liquid pipeline integrity
- 49 CFR Part 195, §195.452PHMSA hazardous liquid pipeline regulation
- ASME B31.4 / B31.8Pipeline design codes
- API Std 653Tank inspection, repair and alteration
Stations, marine & environment
- NFPA 30A, 2024 ed.Motor fuel-dispensing facilities
- NFPA 30Flammable and combustible liquids code
- EPA 40 CFR Part 280Underground storage tanks
- IMO IMSBC CodeSULPHUR, UN 1350
- MARPOL Annex VI Reg. 14IMO 2020 sulphur cap
- ISO 8217, ISO/PAS 23263:2019Marine fuels
- IMO OPRC 1990, OPRC-HNS 2000Oil pollution preparedness and response
- OPA 1990, 33 CFR 154 Subpart F, 40 CFR 112US oil spill response planning
- World Bank ZRFZero Routine Flaring by 2030
- OGMP 2.0Methane reporting framework
Markets & trade
- ArgusSulphur Methodology and Specifications Guide
- CRUSulphur commodity analysis
- USGSMineral Commodity Summaries and Mineral Industry Surveys: Sulfur
- ADNOCGeneral Terms & Conditions for Sale of Sulphur, July 2021
- World FertilizerCiting Argus Media: February 2026 posted prices
- ICEBrent Crude futures contract specification
- CME GroupNYMEX WTI contract specification
- S&P Global PlattsDubai crude assessment
- OIES, April 2021Oxford Institute for Energy Studies: Basrah grades
- ICCIncoterms 2020 and UCP 600
Market price levels are as at the assessment dates stated on the relevant pages. Live spot assessments are subscription-restricted; methodology and quotation bases are public.