Average aircraft emissions, O’Hare International Airport, 1972

This document presents average aircraft emission data recorded at O'Hare International Airport in 1972, listing pollutant levels per aircraft landing and takeoff cycle and per enplaned passenger for carbon monoxide, hydrocarbons, nitrogen oxides, and particulates. It also includes a comparison table of federal and California emission standards for heavy-duty truck and bus engines spanning model years 1969 through 1991, showing how regulations tightened over time. The data reflects early efforts to quantify and regulate air quality impacts from both aviation and ground transportation sources.

Notes

This document presents Table 5.3 showing average aircraft emissions per aircraft LTO (landing and takeoff) and per enplaned passenger at O’Hare International Airport in 1972, covering CO, HC, NOx, and particulates. It also includes handwritten calculations converting emission values between units such as kilograms, pounds, and liters. A companion table from John H. Johnson covers heavy-duty truck and bus engine emission standards for both federal and California regulations from 1969 through 1991.

V V