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12/EDEC, 10. 1997 el 0:49AM04260510 5681 N0, 4357 PaP. 17.6_ <br />i <br />I. MTRODUCTION <br />The Calif®rnia meat of Su es Control has adopted regulations (R-45-76) <br />which defi m critcri4 for the Wftfification of hazardous wastes, These criteria are <br />codified in Cbsptcr 11. Ardcic 3 of Title 22 of the Califomia Code of Regulations, <br />Toxielity to Aquatic Ilk slrecifacally fish, is one of the criteria used to gauge the hazardous <br />P*tmkial of a waste, Ail aeute %-how bioassay is used to determine the LC50 as defined <br />in Section 66261.24(a;i(6) of these regulation$. This 96 -hour LC50 value serves as the <br />nwnWCdi indimor of -the toxicity of a wastc to aquatic life. <br />TIdD report describes tate prOcodurn Used and the results obmined for the hazardous waste <br />aquxd,: toxicity s¢reeni,ng tests pmfored by Block Environmental Services (BES) for <br />Claytbn Envimn aaente:! Corduitants (P.4. #9711300). <br />",on date - 10/31196). <br />