Table 1.

Concentrations of inhalable dust and super absorbent polymer (SAP) among workers in two plants producing hygiene products.

Occupations or department	N	Arith-metic Mean	Range	Geometric Mean	Geometric standard deviation	95% confidence intervals
Machine operators
Inhalable dust, mg/m3	41	1.37	0.17-23.9	0.53	2.66	0.07-3.5
SAP, mg/m3	41	0.02	0.002-0.23	0.01	2.75	0.002-0.09
Mechanics
Inhalable dust, mg/m3	19	1.64	0.14-15.4	0.47	2.29	0.09-2.39
SAP, mg/m3	19	0.81	0.002-10.3	0.03	2.67	0.005-0.24
Development department
Inhalable dust, mg/m3	37	0.40	0.05-1.51	0.27	2.52	0.04-1.65
SAP, mg/m3	37	0.03	0.002-0.40	0.01	3.45	0.008-0.11