Table 2.

Targeted and achieved concentrations of generated products during run-in testing

Run-in testing
Product	Targeted concentration		Obtained concentration
			Mean	Median	SD	Max	Min
Concentration validated by sampling
N-butyl acetate	150 mg/m3		148	150	5	150	140
N-butyl acetate	250 mg/m3		242	240	4	250	240
N-butyl acetate	320 mg/m3		322	320	8	330	310
Formaldehyde	0.65 mg/m3		0.65	0.66	0.05	0.7	0.56
Formaldehyde	1.0 mg/m3		1.07	1.07	0.08	1.2	0.98
Formaldehyde	1.7 mg/m3		1.69	1.65	0.08	1.82	1.64
Isocyanates (1.6-HDI)	0.05 mg/m3		0.05	0.06	0.01	0.07	0.03
Isocyanates (1.6-HDI)	0.10 mg/m3		0.09	0.09	0.01	0.11	0.08
Concentration validated by direct measurement instrument
Formaldehyde	0.65 mg/m3		0.63	0.63	0.08	0.87	0.36
Formaldehyde	1.0 mg/m3		1.07	1.06	0.1	1.94	0.74
Formaldehyde	1.7 mg/m3		1.43	1.43	0.04	1.58	1.31
Isocyanates (1.6-HDI)	7.2 ppb		6.4	7.0	0.1	7.0	5.0
Isocyanates (1.6-HDI)	14.6 ppb		12.6	13.0	0.5	13.0	12.0
Lactose	<10 mg/m3		7.9	7.9	0.9	11.50	5.20
Challenges
Lactose	<5 mg/m3	18	3.25	3.05	0.87	5.45	1.75
Flour and malt	<5 mg/m3	38	4.36	4.5	1.14	7.0	2.0
Isocyanates	<20 ppb	29	13.98	15.0	3.6	22.5	7.0

The mean of all samples for a given concentration is used as the calibration point. Measurement equipment was calibrated independently for lactose.