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AWNALCO <br /> MATERIAL SAFETY DATA SHEET <br /> PRODUCT <br /> NALCO 7330 <br /> EMERGENCY TELEPHONE NUMBER(S) <br /> (800)424-9300(24 Hours) CHEMTREC <br /> ACUTE INVERTEBRATE RESULTS : <br /> Species Exposure LC50 EC50 Test Descriptor <br /> Mysid Shrimp (Mysidopsis 96.00 hrs 18.000 mg/I Product <br /> bahia <br /> Ceriodaphnia dubia 48 hrs 15 m /I Product <br /> Daphnia magna 48 hrs 8.7 - 12 m /I Product <br /> Blue Mussel 48 hrs 865 m /I Product <br /> American Oyster 48 hrs 1,730 m /I Product <br /> AVIAN RESULTS : <br /> Species Exposure LC50 Test Descriptor <br /> Bobwhite Quail 8 Days > 60 mg/kg > <br /> 560 ppm <br /> PERSISTENCY AND DEGRADATION : <br /> Total Organic Carbon (TOC) : 7,850 mg/I <br /> Chemical Oxygen Demand (COD) : 20,000 mg/I <br /> The degradation of the major active substance begins with ring opening and elimination of chloride ion. Degradation <br /> leads to the formation of a variety of small organic acids, methylamine, carbon dioxide and elemental sulfur. The half <br /> life of each active substance is dependent upon the initial concentration. <br /> MOBILITY : <br /> The environmental fate was estimated using a level III fugacity model embedded in the EPI (estimation program <br /> interface) Suite TM , provided by the US EPA. The model assumes a steady state condition between the total input <br /> and output. The level III model does not require equilibrium between the defined media. The information provided is <br /> intended to give the user a general estimate of the environmental fate of this product under the defined conditions of <br /> the models. If released into the environment this material is expected to distribute to the air, water and soil/sediment <br /> in the approximate respective percentages; <br /> Air Water Soil/Sediment <br /> <5% 30 - 50% 50 - 70% <br /> The portion in water is expected to be soluble or dispersible. <br /> BIOACCUMULATION POTENTIAL <br /> This preparation or material is not expected to bioaccumulate. <br /> ENVIRONMENTAL HAZARD AND EXPOSURE CHARACTERIZATION <br /> Based on our hazard characterization, the potential environmental hazard is: Moderate <br /> Based on our recommended product application and the product's characteristics, the potential environmental <br /> exposure is: Moderate <br /> If released into the environment, see CERCLA/SUPERFUND in Section 15. <br /> Nalco Company 1601 W. Diehl Road • Naperville, Illinois 60563-1198 • (630)305-1000 <br /> For additional copies of an MSDS visit www.nalco.com and request access <br /> 7/ 12 <br />