Evidence of seasonal changes in airborne particulate matter concentration and occupation-specific variations in pulmonary function and haematological parameters among some workers in Enugu Southeast Nigeria: a randomized cross-sectional observational study

Table 3 Mean TSP, PM₁₀ and PM_2.5 concentrations at study sites

Sites	New layout/Kenyatta/Timbre Market						UNEC
Coordinates	6° 24' 54.2412'' N						6° 25' 38.0568'' N
Coordinates	7° 30' 15.2028'' E						7° 30' 31.1796'' E
WKs	TSP (µg/m³)		PM₁₀ (µg/m³)		PM_2.5 (µg/m³)		TSP (µg/m³)		PM₁₀ (µg/m³)		PM_2.5(µg/m³)
WKs	D	W	D	W	D	W	D	W	D	W	D	W
1	455	110	365	109	69	14	539	103	237	66	13	09
2	465	150	470	123	67	08	549	115	265	68	14	12
3	494	126	799	95	70	16	420	95	287	68	23	11
4	995	160	829	89	96	19	523	75	318	70	30	11
5	1540	108	878	79	129	09	450	89	319	64	59	09
6	1303	109	709	49	106	10	305	59	245	56	66	09
7	411	109	900	69	70	17	329	44	245	62	30	08
8	465	125	376	49	67	18	309	69	373	56	29	09
9	506	123	301	59	62	15	166	57	192	89	28	08
10	410	52	343	64	55	17	120	79	182	50	26	08
11	452	45	276	54	49	10	182	65	128	53	22	09
12	374	49	248	49	35	16	158	49	137	48	24	07
x̄	655.83	105.5	541.17	74.00	72.92	14.08	337.5	74.92	244	62.5	30.33	9.17
SD	395.29	37.93	258.72	25.12	25.81	3.82	157.90	22.05	74.79	11.18	16.10	1.47

TSP Total suspended particulate, PM Sizes of particulate matter, UNEC University of Nigeria, Enugu Campus, D Dry season, W Wet Season, CRP C - reactive protein, x̄ mean, SD Standard deviation

ISSN: 2049-3258