| Area |
Frequency |
Inspection |
Cleaning |
Treatment |
Remarks |
Raw materials:
Grain
Nuts
Dry fruit
Choco- late |
Control of all incoming goods. Spot checks. Store the goods
long enough for hibernating insects to appear |
Open 1 of every 50 boxes /bags and inspect |
|
If treatment is necessary e.g. use PH3
Alternatively store dry at under 14°C |
The mill should ensure that all goods are certified as being
pest free. |
Storage of raw mate-
rials |
Store the goods after the prin-
ciple:"first in - first out" |
The area should be inspected weekly |
Weekly.
Spillage removed immediately |
Cold storage or PH3.
Local treat-
ment with insecticides or moni-
toring with mouse and insect traps |
Silos to be inspec-
ted and cleaned when empty |
Produc- tion
Cleaning plant |
|
Weekly |
Weekly
Spillage removed immediately |
|
|
| Milling rollers |
|
Inside
Outside |
Weekly |
|
|
Mecha-
nical transfer systems
Screw and bucket |
|
Weekly |
Weekly
Spillage removed immediately |
When needed |
Check filters frequently. Change filter bags |
| Sifters |
|
Surroundings daily.
Inside every 2 months |
Every 2 months. Spillage removed immediately |
When needed |
Check tailings |
| Finished silo |
|
Manhole, inspect the top weekly |
Clean when empty |
When needed |
Silo screw (bottom) should be inspected when empty |
| Packing room |
|
Weekly |
Daily
Spillage removed immediately |
When needed |
|
| Bagged flour tapping |
|
Daily |
Daily
Spillage removed immediately |
When needed |
Dust must not collect on edges or cables in dead spaces or
trunking |
| Finished product store |
"First in -
first out" |
Weekly |
Weekly |
When needed |
|
| Bulk tankers |
|
When empty |
When empty |
When needed |
Be aware of:
Pipe systems
Filter bags |
| Returned goods store |
|
Weekly |
Daily |
When needed |
Returned goods store should be isolated and away from other
food materials |