| Award | GENUINE REPAIR PARTS FOR WATER ANALYSIS EQUIPMENT | Citywide Administrative Services | Hach Company dba Lachat Instrum | $340K | Competitive Sealed Bids | Jun 6, 2012 | 8571200227 |
| Award | WATER ANALYSIS, REAGENTS, STANDARDS and ACCESSORIES | Citywide Administrative Services | Hach Company dba Lachat Instruments | $728K | Competitive Sealed Bids | Apr 23, 2007 | 857700717 |
| Award | LACHAT, SIXFLOW INJECTION ANALYZERS | Citywide Administrative Services | Hach Company dba Lachat Instruments | $400K | Intergovernmental Purchase | Jan 24, 2007 | 857700943 |
| Award | WATERSHED HYDROLOGY EQUIPMENT: GRP and ACCESSORIES | Citywide Administrative Services | Hach Company dba Lachat Instruments | $225K | Competitive Sealed Bids | Feb 24, 2005 | 857401092 |