0): readily biodegradable. >99% Biolo ical oxidation demand (5-Day SM52106): 250 ppm Che cal oxygen domand (SM5220D): 580 ppm BOD/COD ratio: 45% Petro eum hydrocarbon content: none Env •nmental physical hazard: Envirotemp FR3 fluid shares physical hazards common to all oils such as coating feath rs, f