Sample

Number of Bacteria (cfu/g)

(Permitted conc.)

(2.5 × 10²)

Paper plate

6.7 × 10²

Cake box

8.7 × 10²

Fruit tray

6.1 × 10³

Tissue paper

1.3 × 10²

Coffee cup

3.2 × 10²

Pastry box

6.9 × 10²

Sweet box

7.6 × 10²

Pizza box

9.8 × 10²

French fries box

7.2 × 10²

Paper bag

4.8 × 10²