2013 horse meat scandal as 100% beef. British company Primerdesign Ltd provided many of the tests to laboratories and companies wishing to test for contamination. By 16 January 2013 four subsidiaries of ABP had been accused of supplying adulterated meat. They were Silvercrest in County Monaghan, Dalepak in North Yorkshire, Freshlink in Glasgow, ABP Nenagh in County Tipperary, Ireland and Dairy Crest, Rossington. Hamburger meat from Silvercrest Foods, a subsidiary of Larry Goodman's ABP Food Group, in County Monaghan, Ireland, was found to contain 29% horse meat relative to beef. Porcine DNA was also found. Tesco dropped Silvercrest as a supplier of processed meat,
Criticism of Tesco justified an aggravated damages award. "Tesco Group of Companies (Holdings) v Hill" [1977] I.R.L.R. 63, a checkout lady did not ring up 18 items worth £7 in one customer's purchase. Tesco started an investigation. She said she felt ill. Tesco called the police. They dismissed her. The Employment Appeal Tribunal held that the dismissal was unfair because she was given no opportunity to state her case when she was in a fit state. "Johnson v Tesco Stores" [1976] I.R.L.R. 103, an old case under old law, the employment tribunal found Tesco to have unfairly dismissed Mr Johnson. He had wrongly