INVITATION TO BID NO. 2022-68 Procurement of Chromogenic Enzyme Reagent with Define Substrate Technology, RT testing for total coliform & E. coli in water for 16-22 hrs based o the detection of B-D galactosidase & B-glucuronidase enzyme using chromogenic & fluorogenic substrate in just 16-22 hrs, PNSDW 2017 standard and NRL validated approved for 100ml H2O samples, set of reagent w/ specimen bottle good for 200 samples, inclusive of reagent bottle: 120ml Shrink – banded vessels line with sodium thiosulfate pack of 200 & P/A Comparator