Criticism of Tesco firms, including Tesco and Asda, said they shared shoppers' "anger and outrage". Whitbread vowed to remedy the unacceptable situation on 26 February . The Food Standards Agency's (FSA) chief executive, Catherine Brown also said "it is unlikely we will ever know" how many unwittingly ate horse meat. On 22 May 2007 the BBC's "Whistleblower" programme showed undercover footage detailing breaches of food hygiene rules in a branch of Tesco. The Whistleblower reporter applied for a job following a tip-off from a former employee. Breaches included the sale of products after their sell-by date; allegations that the company illegally and sold
3-MCPD found in popular brands such as Mother's Pride, Jacobs crackers, John West, Kraft Dairylea and McVitie's Krackawheat. The same study also found relatively high levels in a range of supermarket own-brands, including Tesco char-grilled beefburgers, Sainsbury's Hot 'n Spicy Chicken Drumsticks and digestive biscuits from Asda. The highest levels of 3-MCPD found in a non- soy sauce product, crackers, was 134 µg per kg. The highest level of 3-MCPD found in soy sauce was 93,000 µg per kg, 700 times higher. The legal limit for 3-MCPD coming in next year will be 20 µg per kg, but the safety guideline