Quartz Dust Exposure Affects NLRP3 Inflammasome Activation and Plasma Levels of IL-18 and IL-1Ra in Iron Foundry Workers

Table 3

Calculated exposure levels to different particle exposure measures for the participating iron foundry workers.

Exposure class	Exposure level (mg/m^3)
	Low	Middle	High
Respirable quartz	<0.01	0.01-0.05	>0.05
	41	36	8
Respirable dust	<0.1	0.1-1.0	>1.0
	16	58	11
Inhalable dust	<0.2	0.2-5.0	>5.0
	10	65	10
Thoracic dust	<0.2	0.2-2.5	>2.5
	14	54	17