Heritage Science

Table 4 The National Archives in Prague campaigns results (µg/m³), bdl—below detection limit

From: Simultaneous measurement of nitrous acid, nitric acid, and nitrogen dioxide by means of a novel multipollutant diffusive sampler in libraries and archives

Pollutant	Campaign	Indoor	Outdoor	I/O OUT
Pollutant	Campaign	BT	ACK	I/O OUT
NO₂	S1	5.1 ± 0.2	bdl	44.5 ± 1.8	0.1
	S2	4.7 ± 0.2	bdl	31.0 ± 1.2	0.2
	W	5.6 ± 0.2	bdl	42.0 ± 1.7	0.1
HONO	S1	bdl	bdl	bdl
	S2	0.9 ± 0.6	bdl	bdl
	W	2.2 ± 1.5	bdl	6.6 ± 4.5	0.3

Back to article page