Turbidity (10 NTU) Back Catalog number: 59840 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11728.12-100-IO 2,3',4,5',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 59907 Cations Std. Level 2 Price on request 11141.18-50-T syn Dechlorane Plus ,50 µg/mL,toluene,1mL, Price on request