Table 2

Distribution of number of drums composited into each sample for pathogen testing.

Composite of:

No. samples

Percent ^a

Single drum

1805

57

2–4 drums

1171

37

5–7 drums

166

5.2

8–19 drums

49

1.5

^a Expressed as a percent of the 3191 samples for which the number of drums was known.

Fahey et al. Nutrition Journal 2006 5:13   doi:10.1186/1475-2891-5-13