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< 1. This sample result also indicated a copper level of 600 <br /> ppm which is greater than the "Soluble Threshold Limit <br /> Concentration" (STLC) of 25 ppm. This sample establishes the <br /> liquid material in the drum to be a hazardous waste as <br /> described in Article 11, Sections 66705 (reactivity criteria) <br /> and 66699 (presistant and bioaccumulative toxic substance) , <br /> CCR, Title 22. <br /> 3 . PHD-EHD SAMPLE # 9/28/90RVC/ LAB # 32284-1 25 G CAUSTIC DRUM <br /> The above sample was taken of a caustic drum which had a <br /> hazardous waste label on it. This label had been scratched <br /> off and damaged. This drum was not labeled properly and was <br /> sampled for PH. The sample results from this sample were <br /> found to be <1 PH. This PH level would indicate that the <br /> liquid in the drum was a hazardous waste as established in <br /> Article 11, Section 66705 (reactivity criteria) CCR, Title 22 . <br /> STATEMENT: I HAVE READ THE FOREGOING AND KNOW THE CONTENTS THEREOF <br /> AND I DECLARE UNDER THE PENALTY OF PERJURY THAT THE FOREGOING IS <br /> TRUE AND CORRECT, EXCEPT AS TO THOSE MATERS I BELIEVE TO BE TRUE: <br /> EXECUTED ONO= ° '� /S— 19a-; STOCKTON, CALIFORNIA <br /> DECLARANT —� a�� �� q2 2 Xa_� <br />