Table 1.

Quantification of bacterial contents in paper samples by 16S real‐time PCR relative to a standard consisting of genomic DNA equivalents of E. coli K1

Paper sample no.	Genome equivalents cm−2
1	2·106
2	5·105
3	5·105
4	1·106
5	4·105
6	7·105
7	6·105
8	5·105
9	1·105