PIERRE, S.D., Sept. 25 -- South Dakota Office of Procurement Management has published an Invitation for Bid (26RFP111026) on Sept. 22 for Aprons and Gloves, Laboratory: Plastic, Rubber, etc. (175-03), Balances and Accessories (175-08), Burners, Heat Guns, Hot Plates (With or Without Stirring), Mantles, etc. (175-10), Optical Laboratory Equipment: Beam Splitters, Choppers, Diffraction Gratings, Interferometers, Monochromators, Optical Benches and Tables, etc (490-72), Agricultural Science Equipment: Diffusive Resistance Meters, Leaf Porometers and Water Potential Measuring Equipment, Seed Counters and Germinators, Soil Sterilizers, etc. (495-07) and Laboratory Equipment and Accessories: Specialized, Biochemistry, Biology, Chemistry, etc., Ma...