Air Quality and Human Health Risk Assessment in the Residential Areas at the Proximity of the Nkolfoulou Landfill in Yaoundé Metropolis, Cameroon

Table 1

Specifications of the monitoring sites.

Site code	GPS coordinates			DLB (m)
	E	N	SL (m)
RA0	11°34′17.043″	3°56′25.866″	694	1000.00
RA1	11°34′15.801″	3°55′27.96″	701	161.37
RA2	11°34′36.123″	3°55′29.889″	720	34.40
RA3	11°34′43.421″	3°55′29.084″	734	118.58
RA4	11°34′26.945″	3°55′49.69″	730	239.06
RA5	11°34′24.22″	3°56′0.289″	708	305.02
RA6	11°34′12.123″	3°55′58.821″	661	58.25
RA7	11°34′4.757″	3°55′54.325″	667	165.74
RA8	11°34′0.786″	3°55′52.929″	693	255.33
RA9	11°33′59.289″	3°55′46.615″	669	189.27
RA10	11°33′51.403″	3°55′37.557″	673	279.40

SL = sea level; DLB = distance from the landfill boundary.