Table 3.

Aerosol characteristics, number concentration, number size distribution characteristics, mass concentration, and calculated dose levels of Cu, Pd, and Ag used for exposures in the NACIVT

	c N 106 (#/cm3)	CMD	GSTD	c m-TEOM (mg/m3)	N dose 108 (#/${\text{cm}}_{\text{cell}}^2$)	m dose (µg/${\text{cm}}_{\text{cell}}^2$)	SA dose (${\text{cm}}_{\text{particle}}^2$/${\text{cm}}_{\text{cell}}^2$)
Cu series1
Cu 1	8.55 ± 1.84	87.1	1.64	1.77 ± 0.45	134.9	4.5	6.1
Cu 2	1.50 ± 0.88	63.3	1.65	0.38 ± 0.13	24.1	0.4	0.6
Cu series2
Cu 3	7.89 ± 0.08	133.0	1.73	–	80.2	4.3	5.8
Cu 4	2.58 ± 0.06	115.1	1.67	2.20 ± 0.08	42.0	1.7	2.2
Cu 5	0.67 ± 0.01	118.3	1.77	0.68 ± 0.06	10.9	0.5	0.7
Cu Sint	3.90 ± 0.17	57.4	1.62	2.50 ± 0.19	63.5	10.6	0.7
Pd series1
Pd 1	14.82 ± 0.40	141.9	1.87	20.78 ± 1.62	96.5	10.1	9.7
Pd 2	6.59 ± 0.71	136.7	1.84	7.15 ± 0.70	78.6	8.1	7.8
Pd 3	0.45 ± 0.03	151.1	1.91	0.87 ± 0.09	7.4	0.9	0.9
Pd sint	11.83 ± 0.31	59.5	1.77	13.22 ± 0.81	191.6	46.6	2.1
Ag series1
Ag 1	4.70 ± 0.18	61.4	1.69	0.87 ± 0.10	76.1	1.4	–
Ag 2	1.05 ± 0.03	58.8	1.68	0.39 ± 0.11	17.2	0.6	–
Ag 3	1.00 ± 0.09	38.8	1.70	0.17 ± 0.11	15.7	0.3	–
Ag series2
Ag 4	2.06 ± 0.47	57.0	1.64	0.36 ± 0.19	33.6	0.6	–
Ag 5	0.69 ± 0.12	61.3	1.67	0.21 ± 0.02	10.8	0.3	–
Ag 6	0.26 ± 0.06	42.8	1.60	0.09 ± 0.01	4.4	0.1	–
Ag 7	0.12 ± 0.04	40.2	1.61	0.04 ± 0.01	1.8	0.1	–

Each exposure level is indexed. For example, Cu₁ refers to Cu aggregates, while Cu_sint to sintered aggregates. Exposures with Cu aerosol particles were performed on two occasions, Cu series 1 and 2; with Ag particles on two occasions, A_G series 1 and 2; but only on one occasion for Pd