Table 4.6 Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (September to October 2018)

Survey Area	Dolphin Monitoring	Encounter rate (STG) (no. of on-effort dolphin sightings per 100 km of survey effort)	Encounter rate (ANI) (no. of dolphins from all on-effort sightings per 100 km of survey effort)
		Primary Lines Only	Primary Lines Only
West Lantau	Set 1 (September 5th)	14.6	82.6
	Set 2 (September 11th)	21.8	113.3
	Set 3 (October 2nd)	18.7	84.0
	Set 4 (October 9th)	14.0	37.5