3.1.1.1 Beef cattle minerals must be bagged at a minimum of 50 pounds per bag. 3.1.1.2 Beef cattle minerals must have a guaranteed analysis of: 3.1.1.2.1 Calcium, minimum 11.0 %, maximum 14.0%. 3.1.1.2.2 Phosphorus, minimum 4.0% 3.1.1.2.3 Sulfur, minimum 16.00%, maximum 19.00% 3.1.1.2.4 Sodium minimum 6.29%, maximum 7.69% 3.1.1.2.5 Magnesium, minimum 9.99% 3.1.1.2.6 Potassium, minimum 0.5% 3.1.1.2.7 Copper, minimum 1,878 parts per million (ppm) 3.1.1.2.8 Manganese, minimum .3,500 ppm 3.1.1.2.9 Iodine, minimum 230 ppm 3.1.1.2.10 Cobalt, minimum 68 ppm 3.1.1.2.11 Selenium, minimum 39 ppm 3.1.1.2.12 Zinc, minimum 6,000 ppm 3.1.1.2.13 Vitamin A, minimum 300,000 international units per pound (IU / lb) 3.1.1.2.14 Vitamin D, minimum 30,000 IU / lb 3.1.1.2.15 Vitamin F, minimum 400 IU / lb 3.1.1.3 Minerals must contain kelp and insect growth regulator 3.1.1.4 Minerals must be 80% organic or chelated. 3.1.1.5 Delivery costs must be incorporated into unit price bid.