International Standards for Pesticide Residue Limits [MRL]
Posted by JAC in General TradingI have to admit, I have a problem understanding how Maximum Residue Limits for Pesticides or Tolerances for Pesticides are estabablished and I have even more trouble understanding why tey vary from country to country.
Allow me to use juse one pesticide and two vegetables as an example: Methamidophos will be the pesticide and Beans and Cabbage will be the vegetables.
The tolerance for this particular pesticide according to CODEX which is suposed to be the international standard is:
1mg/kg for Beans, except broad beans and soya beans
0.5 mg/kg for Cabbage
On the other hand if we look at the standards set by the Australian New Zealand Food Authority for Methamidophos we find the following:
<0.01 mg/kg for Beans (basically NIL)
1 mg/kg for Cabbage
Finally the EPA in the USA
1 mg/kg for Beans
On the Cabbage I found they qoute as follows: “Because there are no active registrations for uses of either methamidophos or acephate on broccoli, cabbage, cumcumber, eggplant, and melon, the associated tolerances in 40 CFR 180.315 are no longer needed and should be revoked. Therefore, EPA is proposing to revoke the tolerance in 40 CFR 180.315 on broccoli, cabbage, eggplanat, and melon.”
I am not quite sure if this means the tolerance is <0.01 mg/kg (once again basically NIL), I’ll presume it is since tolerances 40 CFR 180.315 didn’t list cabbage.
(Please note I am using <  0.01 mg/kg since most laboratories can’t detect below this level).
Alledgedly the standards are based on the consumption of a particular vegetable in a particular country, so in other words Australians will eat 100% less cabbage than the international standard and about 9900% less than the USA (if my assumption is correct and the tolerance is < 0.01 mg/kg).
Does this make sense to you? I’m really confused by now, what if you are a cabbage aficianado living in Australia or NZ, bad luck my friend!!
I would really like to see in the future standards that apply internationally and that really look after the consumers in our global village.
JAC
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