Medical Air and Oxygen Capacity Assessment Tool – ASHE Health Facility Standards Guide – PATH Baseline Assessment Manual – PATH Consumption Tracking Tool – PATH Procurement Guide – PATH Quantification and Costing Tool – PATH Electricity Planning Guide – PATH Asset Management Guide – PATH COVID-19 Essential Supplies Forecasting Tool v4.0 – WHO Facility, ward, or patient-level O2 Calculator – OCC Oxygen system planning tool – UNICEF Medical gas consumption calculator v9.20 by Rob Chatburn Medical gas flow limitations calculator v1.21 by Rob Chatburn Predicting Surge Requirements for Medical Gas Consumption Oxygen Cylinder Duration Calculator – OCC Oxygen survey tool v2.0 (xls) – WHO SEARO-IMAI Oxygen survey tool Guide (PDF) – WHO SEARO-IMAI Oxygen Reference Pricing Guide – PATH