| Hach | Ascorbic Acid Reagent Package (2.9L) | 2600303 |
| Hach | Ascorbic Acid Reagent Set, | 2439300 |
| Hach | ASCORBIC ACID RGT DILUTION SOLN, | 2599903 |
| Hach | Ascorbic Acid, pk/100, Powder Pillows | 1457799 |
| Hach | Atrazine, Pocket Colorimeter II Test Kit | 2763500 |
| Hach | Barium Standard Solutions as Ba (NIST), 1000 mg/L, 100 mL | 1461142 |
| Hach | BART TESTER SET, IRB-SRB-SLYM | 2434809 |
| Hach | BART TESTER, IRB PK/9 | 2432309 |
| Hach | BART TESTER, N PK/7 | 2619407 |
| Hach | BART TESTER, SLYM PK/9 | 2432509 |
| Hach | BART TESTER, SRB PK/9 | 2432409 |
| Hach | Basic Starter Package, Distribution Systems - Chloramines | 2508300 |
| Hach | Basic Starter Package, Distribution Systems - Free Chlorine | 2508200 |
| Hach | Basic Starter Package, Drinking Water - Chloramines | 2508100 |
| Hach | Basic Starter Package, Drinking Water - Free Chlorine | 2507900 |
| Hach | Basic Starter Package, Wastewater | 2508500 |
| Hach | BENZENE, ACS 4L | 1444017 |
| Hach | Benzene, Bottle/500 mL | 1444049 |
| Hach | Benzotriazole Standard Solution (NIST), 500 mg/L, Bottle/100 mL | 2141342 |
| Hach | Blank AccuVac® Ampules, pk/25 | 2677925 |
| Hach | BLANKING REAGENT, 29ML | 2493023 |
| Hach | Bleaching 3 Reagent, pk/100 Powder Pillows | 1429449 |
| Hach | BLOCK, REAGENT | 4274100 |
| Hach | BOD Nutrient Buffer Pillows, 19 liter, 25/pk | 1486398 |
| Hach | BOD Nutrient Buffer Pillows, 3 liter, 50/pk | 1486166 |
| Hach | BOD Nutrient Buffer Pillows, 300 mL, 50/pk | 1416066 |
| Hach | BOD Nutrient Buffer Pillows, 4 liter, 50/pk | 2436466 |
| Hach | BOD Nutrient Buffer Pillows, 6 liter, 50/pk | 1486266 |