Hach DPD for Total Chlorine, for 10 mL Sample, 1000 per pack, Hach and 2 more items

The Virginia Department of Corrections awarded a contract to Colonial Scientific Inc. on August 17, 2026, with a cumulative value of $492.00. The contract encompasses the supply of water quality testing materials to be delivered to a Wastewater Treatment Plant (WWTP). The prime contractor will supply Hach Diphenylcarbazone (DPD) reagent for total chlorine analysis in 10 milliliter sample packs (1,000 per pack) at a unit price of $332.88, along with pH calibration buffers at unit prices of $79.62 each.

The deliverables include pH 7 buffer solution (color-coded yellow, 4-liter container) and pH 10 buffer solution (color-coded blue, 4-liter container), both standard laboratory calibration materials for water quality monitoring equipment. All items are to be delivered to the WWTP facility. The contract specifications indicate single-unit quantities for each line item, supporting routine testing and analytical operations at the state correctional facility's wastewater treatment infrastructure.