It has been years since my Subway sandwich artist days, but I think I could still make a delicious sub if put behind the counter. I worked there for over three years, during which time I noticed a few odd things. One thing was the roast beef. There was always some green gasoline-like sheen on the slices of deli meat (see right). Whenever I had to make a sub that had roast beef I’d get nervous and concerned the customer would ask what it was – I had no idea – until today.
When reading a story in the Sun Chronicle Online about a Massachusetts Subway’s green roast beef, the memories came back to me and I decided to do some investigating.
A co-worker who worked in a meat laboratory explained to me, and this University of Saskatchewan paper on meat colour agrees, that the odd colour I was seeing was likely due to light reflections on sliced meat muscle fibers (which is not a food safety issue).
From the paper,
Iridescence is a common problem in sliced roast beef and ham products. The dominant color is frequently green and consumers sometimes confuse this with green myoglobin pigments associated with microbial growth. The iridescence of meat products is produced by a combination of the angle of incidence of the light on the muscle fibres and the wetness of the surface. If the fibres are pulled slightly out of alignment during slicing, the light strikes the fibre at an angle scattering light which
appears as the rainbow or greenish color on the surface of the meat.
Whether or not this explains the green on the Massechusetts Subway’s roast beef, I do not know, but does answer a question I forgot I had.
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Kellogg’s
Dr. Mark 
Courtlynn’s here and that meant a quick meal at Subway last night on our way home from the airport. The restaurant was fairly deserted and we only saw one male employee working. After we received our order to go, I ducked into the women’s restroom. While washing my hands, I reached for the soap and saw the sign pictured here. I rinsed with water and hoped the friction from the paper towel would be of some benefit. But I’m not serving meals to others and only had to hand Doug his sandwich in the car before eating my half. Proper handwashing requires the proper tools: water, soap, paper towels. 
Except I can’t find the video, so there’s just this crappy picture (if someone has it, please send along the url).
Witnesses inside the store say Peterson eventually started screaming at everyone inside. When Peterson went outside to call police. Employees closed the store and locked the door to keep him from returning.