CWA Solids (Total Solids, TSS, & TDS) Back Catalog number: 55085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-69S 1,2,3,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 95092 ASTM Benzene Amp#5 Price on request 8625.15-1-4.5AC 4-n-Nonylphenol (ring13C6) (same as S-4376-1-5AC), 1µg/ml, Solvent-Acetone, Unit 4.5ml, # of units-1, Cas.no. Price on request