 Standard Practice for Full-Scale Oxygen Consumption Calorimetry Fire Tests (ASTM E2067-20) by ASTM International

Public publisher description of E2067-20. Significance and Use sections 4.1 and 4.3 state the approximate 13.1 MJ per kg oxygen-consumed relation and primary oxygen-concentration/exhaust-flow measurements. No paid full-standard clauses or unverified claim of latest edition adopted.