Permissible levels of contaminants in organic fertilizers
Category:
Green Ecological Tea
Author:
Source:
Release date:
2015-08-12
Permissible levels of contaminants in organic fertilizers
(Unit: milligrams per kilogram)
|
Project |
Concentration limit |
|
Arsenic |
≤30 |
|
Mercury |
≤5 |
|
Cadmium |
≤3 |
|
Chromium |
≤70 |
|
Lead |
≤60 |
|
Copper |
≤400 |
|
Six six six |
≤0.2 |
|
DDT |
≤0.2 |
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