Variable buffet:

Mon: small croissant (LL), small sausages (L, G)
Tue: bacon (L, G), Karelian pies (L)
Wed: meatballs (L), small sausages (L, G)
Thu: small croissant (LL), bacon (L, G)
Fri: small sausages (L, G), bacon (L, G)
Sat: vegetable-cheese patty (L), meatballs (L)
Sun: bacon (L, G), meatballs (L) 

Every day:

Edam 17% (L, G)
Smoke Cheese (LL, G)
Cottage cheese low in fat (LL, G)
Ham (L, G)
Liver paste (L, G)
Selection of charcuterie (L, G)
Tuna in water
Herring (L, G)
Tomato
Cucumber
Yankee Salad
Grated carrots
Pepper
Pickled Cucumber
Scrambled eggs (LL, G)
Porridge
Boiled eggs
Cereal mysli
Berry mysli
Dried fruits
Corn flakes
Bran
Rye Button
Wheat roll
Rice Cakes
Crisp bread
Rye crisp bread
Helka bread
Butter
Lactose-free margarine
Fresh Cheese
Berry and fruit salad
Lingonberry pie
Biscuits
Natural yoghurt (LL)
Lactose-free milk drink
Low-lactose milk
Milk
Skimmed milk

Sounds great, but I can’t figure out what L and G stand for.
Lactose and gluten maybe? Ok, often processed meat does contain lactose. But what about herring containing lactose and gluten?