Total Organic Water Pollution (WP) (Kit) Back Catalog number: 38089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-537SS-R1 EPA Method 537 Surrogate Primary Dilution Standard (SUR PDS), 1.2ml, methanol Price on request 672849 Fenobucarb, 250mg Price on request 52074 Drinking Water Standards Kit Price on request