. 2023 Nov 22;4(1):12–30. doi: 10.1021/acsenvironau.3c00035

Table 4. Mean Values of PMF-Derived Local PM₁₀ Mass Increments for Wood and Coal Combustion in the Melpitz Village (Local Increment), Together with Corresponding Values at the Research Station (Background Concentration), Both Calculated from the Wind Direction Filtered Data Set^a.

source	season	local increment /μg m^–3	background concentration /μg m^–3	local increase over background /%
wood combustion	fall	0.80	1.28	62
	winter	1.91	2.59	74
	spring	1.12	0.69	163
	summer	0.23	0.08	293
	annual	1.07	1.24	86
coal combustion	fall	0.15	0.06	241
	winter	0.78	0.66	119
	spring	0.20	0.01	1416
	summer	0^b	0^b	NA
	annual	0.32	0.22	146

The last column indicates the mean increase of source contributions caused by local combustion emissions over the corresponding background wood or coal smoke concentrations.

Minimally negative PMF values, set to zero.

Table 4. Mean Values of PMF-Derived Local PM10 Mass Increments for Wood and Coal Combustion in the Melpitz Village (Local Increment), Together with Corresponding Values at the Research Station (Background Concentration), Both Calculated from the Wind Direction Filtered Data Seta.

Table 4. Mean Values of PMF-Derived Local PM₁₀ Mass Increments for Wood and Coal Combustion in the Melpitz Village (Local Increment), Together with Corresponding Values at the Research Station (Background Concentration), Both Calculated from the Wind Direction Filtered Data Set^a.