Table 4.

Top 20 food products with the highest average level of OTA contamination.

			Results (ng g−1)a
Code	Food product	Description	Quebec City, 2008	Calgary, 2009	Average	Cerealc
HH17	Raisins	Straight	2.3	0.17	1.3	No
FF20	Buns and rolls	Hotdog/hamburger buns: kaiser rolls (1:1) made into crumbs	1.0	1.2	1.1	Yes
FF02	Bread, whole wheat	Bread: toast (1:1) made into crumbs	1.3	0.83	1.1	Yes
FF12	Flour, white wheat	All-purpose	0.39	1.7	1.0	Yes
FF03	Bread, rye	Bread made into crumbs	1.0	0.57	0.78	Yes
FF01	Bread, white	Bread: toast (1:1) made into crumbs	0.77	0.67	0.72	Yes
FF21	Breads, other	Plain bagels: pita bread: English muffins (2:2:1)	0.45	0.42	0.44	Yes
NNO5	Hot dogs	With: without condiments (1:1) from fast food outlets	0.38	0.41	0.40	Yes
NN03	Hamburger	Hamburger: cheeseburger (1:1) from fast food outlets, with condiments	0.44	0.22	0.33	Yes
FF11	Danish, donuts and croissants	Danish pastry-or-cinnamon buns: cake donuts: yeast donuts-or-dutchies: croissants (1:1:1:1)	0.24	0.35	0.30	Yes
NN04	Chicken burger	Plain, no condiments from fast food outlets	0.32	0.23	0.28	Yes
FF08	Cereals, rice and bran	Rice cereal: bran cereal: bran and raisin cereal (1:1:1)	0.27	0.26	0.26	Yes
GG02	Beans, string	String beans (raw or frozen): string beans (canned) (1:1)	0.53	n.d.b	0.26	No
FF10	Crackers	Saltines or soda biscuits	0.44	0.03	0.24	Yes
NN01	Pizza	One medium combination pizza (pepperoni, mushroom, green pepper) from fast food outlets	0.21	0.22	0.22	Yes
LL01	Cereals, mixed	One box from each store, mixed together (types not specified), prepared with whole milk (AA01)	0.43	0.01	0.22	Yes
JJ01	Chocolate bars	Plain milk chocolate bars	0.30	0.13	0.22	No
JJ11	Seeds, shelled	Sunflower	0.07	0.35	0.21	No
FF09	Cookies	Oreo-type: chocolate chip: oatmeal (1:1:1)	0.21	0.20	0.21	Yes
FF16	Pasta, plain	Spaghetti (enriched):macaroni (enriched) (1:1)	0.34	0.07	0.21	Yes

Notes: ^aResults were corrected for recovery.

^bn.d., Not detected.

^cCereal: contains a cereal such as wheat, oat, rye, etc. as a raw ingredient.