42 Engineering; engineering in the fields of agronomy, agriculture, hydrogeology, and geotechnical materials; engineering analysis of soil, water, waste, and structural and systems integrity; engineering design for others; field and laboratory testing of air quality, soils, water, waste, seismic activity, energy use, and hazardous materials; consultation services in the field of engineering, land use, regulatory permitting, environmental impact of land use, cultural impact of land use, traditional land use by aboriginals, protection of aboriginal sites, mitigation of impact of land use on existing resources, and workplace health, safety and environment; planning in the field of revegetation of land; seismic and liquefaction evaluations of land for others; air quality and noise management; facility decommissioning, namely, engineering services relating to the closure of facilities and termination of operations; site assessment, namely, land surveying; research in the field of biophysical and social sciences; energy and waste audits