Below is from a little searching on the net regarding EC legislation.
This EC summary addresses the general topic of food safety with respect to chemicals -
The legislation applied seems to primarily derive from Regulation(EC) No396/2005.
The page linked below gives links to specific legislation on pesticides. The left (expandable) menu offers sub-details for pesticides + other categories as mentioned in 1st link above -
The MRL (maximum residue levels) sub-topic eventually yields a pdf attached below with lists of food categories (inc.fruit/vegs) vs specific controlled chemical MRLs.
The compilation program is on-going via Annexes 1-7. As I understand, the scope of the choice of controlled chemicals is risk-based.
The 2 chemical names N-phenylbenzamide / benzanilide seem totally absent from a pdf search.
PS - note that the 2nd URL above gives links to 2 databases. Neither link yielded a database for me.
PPS - I presume that it is also possible that the chemical of interest may occur within other categories, eg "contaminants".
P3S - it is unclear to me as to the consequence of a "random" detection of a ("suspicious"?) chemical residue not in any of the various official list(s) of regulated items. Maybe there is a caveat added somewhere in the "fine" print.
I suggest that if you have no evidence that the residues of an insecticide X are associated with a specified tolerance, the operative MRL be (provisionally) set at zero (ie not detectable). This is the Precautionary Principle.
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