What is the Recipe for Del Tacos green Sauce ?

Found ingredients on Del Taco site ...http://www.deltaco.com/menu-burritos.html

Green Sauce: Water, Diced Green Chilies (Green Chilies, Citric Acid), Jalapeno Peppers (Jalapeno Peppers, Distilled Vinegar, Salt), Green Chili Puree (Green Chilies, Citric Acid), Modified Food Starch, Salt, Citric Acid, Garlic Powder, Ground Cumin.