Downloads B170418GWT - Laboratory Equipment, Supplies, and Materials - Annual Contract Summary Information Sheet - Updated 1/27/2021Board Approved AIR – 6/5/2018Hach Company - Awarded Contract Hach Company - Renewal Confirmation 2019-2020 with price increaseHach Company - Renewal Confirmation 2020-2021Hach Company - Renewal Confirmation 2021-2022Hach Company - Bid Submittal Catalog Price ListHach Company - 2019 Catalog Price ListHach Company - 2020 CatalogHach Company - 2021 CatalogHach Company - 2022 CatalogSolicitation Documents