Record number of red/pink colonies in 100 ml blank water sample
Categories
Value
Category
0
1
2
3
6
7
10
12
20
43
77
100
More than 99 colonies counted
998
Not possible to read results/results are lost
999
Microbial testing not done
Sysmiss
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.