Table 4. Occurrence of trichloroethylene & tetrachloroethylene in food samples

Analyte Foods Concentration References
TCE YoghurtIce creamButterGround beefFresh porkLambEggsPoultry chicken/turkeyFresh water fishShellfishCoffeeTeaPizza <0.34 μg kg−1<0.92 μg kg−1<4.1 μg kg−1<0.61 μg kg−1<0.42 μg kg−1<0.83 μg kg−1<0.34 μg kg−1<0.25 μg kg−1<0.30 μg kg−1<0.43 μg kg−1<0.05 μg kg−1<0.06 μg kg−10.26 μg kg−1 Cao et al. (2016)
TCE Dairy productsFats & oilsReady-to-eat mealsSugar & confectionary 0.3 μg kg−10.1 μg kg−10.1 μg kg−10.1 μg kg−1 Vinci et al. (2015)
PCE Non-alcoholic drinksSaucesDairy productsFruits & vegetablesMeat & meat productsFish & fish productsCereal productsCookies and cakesFats & oilsReady-to-eat mealsSugar & confectionaryEgg 0.2 μg kg−13.4 μg kg−10.5 μg kg−11.8 μg kg−10.2 μg kg−11.7 μg kg−10.1 μg kg−12.3 μg kg−11.5 μg kg−11.7 μg kg−16.0 μg kg−10.7 μg kg−1 Vinci et al. (2015)
TCE CakesJuiceLactic beverageIce creamPlain yoghurtIce milk 0.8 μg kg−10.03 μg kg−10.03 μg kg−10.16 μg kg−10.03 μg kg−10.3 μg kg−1 Miyahara et al. (1995)
TCE WalnutApple 0.06-7.8 μg kg−110.9-103.6 μg kg−1 Doucette et al. (2007)
TCE Ground decaffeinated coffeeBrew and grounds fromdecaffeinated ground coffee 41-44 μg kg−113 μg kg−1 Heikes (1987)
PCE Breast milkBreast milk 13-75 μg kg−131 μg L−1 (after 1 month)2.2 μg L−1 (after 4 months) Schreiber et al. (2002)
PCE Breast milk 1.0 mg dL−1 after 24 hr0.3 mg dL−1 after 44 hr Bagnell and Ellenberger (1977)
PCE Wheat and wheat productsCorn and corn products 0-2.6 μg kg−10-1.8 μg kg−1 Heikes and Hopper (1986)
PCE Dairy productsMeatNutsFruit & vegetablesMargarine, oils & fatsBaked goods 5-102 μg kg−12-60 μg kg−17-54 μg kg−15-12 μg kg−13-42 μg kg−12-52 μg kg−1 Fleming-Jones and Smith (2003)
PCE Margarine 1-5 μg kg−1 Entz and Diachenko (1988)
PCE CerealsOilsNutsFruit & vegetablesBaked goodsMeatDairy products 0-108 μg kg−10-21 μg kg−10-120 μg kg−10-14 μg kg−10-48 μg kg−10-124 μg kg−10-30 μg kg−1 Daft (1988)