Examination of Environmental Factors Influencing the Emission Rates of Semivolatile Organic Compounds

Table 6

Test results (air exchange rate = 1.5 h⁻¹).

Case	Temperature (°C)	Relative humidity (%)	Airborne particles	SVOC adsorption area	DEHP collection volume (ng)		DEHP emission rate (μg/m^2h)
					0.5 h after the exp. began	24 h after the exp. began	0.5 h after the exp. began	24 h after the exp. began
1	28	50	—	Inner wall of the chamber	131.9	1686.4	49.8	13.3
2	40	50	—	Inner wall of the chamber	184.0	5365.0	69.4	42.2
3	28	40	—	Inner wall of the chamber	100.0	1293.6	37.7	10.2
4	28	70	—	Inner wall of the chamber	240.0	1172.5	90.6	9.2
5	28	50	Quartz wool: 170 mg	Inner wall of the chamber + quartz wool	335.9	2733.0	126.8	20.6
6	28	50	Quartz wool: 340 mg	Inner wall of the chamber + quartz wool	671.8	3723.0	253.5	29.1