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STYRONTm 484 Natural Polystyrene Safety Data Sheet Ingestion 12.1. Toxicity Data for Component: Styrene, 1,3 -butadiene copolymer (9003-55-8) Not expected to be acutely toxic to aquatic organisms. Material is not classified as dangerous to aquatic organisms (LC50/EC50/IC50/LL50/EL50 greater than 100 mg/L in most sensitive species). Data for Component: White mineral oil (petroleum) (8042-47-5) Material is practically non-toxic to aquatic organisms on an acute basis (LC50/EC50/EL50/LL50 >100 mg/L in the most sensitive species tested). Fish Acute & Prolonged Toxicity LC50, Lepomis macrochirus (Bluegill sunfish), static test, 96 h, > 10,000 mg/I LL50, Oncorhynchus mykiss (rainbow trout), static test, 96 h, > 100 mg/I LL50, Leuciscus idus (Golden orfe), static test, 96 h, > 10,000 mg/I Aquatic Invertebrate Acute Toxicity LL50, Daphnia magna (Water flea), static test, , , > 100 mg/I 12.2. Persistence and Degradability Data for Component: Styrene, 1,3 -butadiene copolymer(9003-55-8) Based on information for a similar material: Data for Component: White mineral oil (petroleum)(8042-47-5) Based on stringent OECD test guidelines, this material cannot be considered as readily biodegradable however, these results do not necessarily mean that the material is not biodegradable under environmental conditions. OECD Biodearadation Tests: Biodegradation Exposure Time Method 10 Day Window 0-24% 28 d OECD 301 B Test fail Indirect Photode radation with OH Radicals: Rate Constant Atmospheric Half-life Method 8.28E-12 cm3/s 1.291 d Estimated. Theoretical Oxygen Demand: 3.50 mg/g 12.3. Bioaccumulative Potential Data for Component: White mineral oil (petroleum)(8042-47-5) Bioconcentration potential is high (BCF > 3000 or Log Pow between 5 and 7). Bioconcentration Factor (BCF): 1,900; Fish; Estimated. 12.4. Mobility No Additional Information. 12.5. Other Adverse Effects No Additional Information. 05/08/2016 8/11