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i f <br /> Noah State Environmental <br /> ,oddA.�Nu Chemical Waste Disposal • Trucking • Consulting <br /> CERTIFICATE OF ANALYSIS <br /> Quality Control/Quality Assurance <br /> i <br /> Lab Number: 97-524 <br /> Client : Semco HK2 <br /> Project : 1131 Holly Dr, Tracy / 96-0315 . 1 <br /> Date Reported:06/25/97 <br /> Reactive Cyanide by SW-846 Chapter 7, Section 7 . 3 . 3 . 2 <br /> Reactive Sulfide by SW-846 Chapter 7, Section 7 . 3 . 4 .2 <br /> STLC Metals by CAM WET by Title 22 66700 <br /> Lead by Method 7420 Atomic Absorbtion <br /> Flashpoint by EPA. Method 1010 <br /> pH of soil Wastes -by Method 9045 <br /> Reporting MS/MSD <br /> Analyte Method Limit Unit Blank Recovery RPD <br /> Lead 7420 0 . 1 mg/L ND 86/84 3 <br /> Cyanide CH7, 7 . 3 . 3 . 20 mg/Kg ND 7 . 7 NA <br /> Sulfide CH7, 7 . 3 . 4 . 10 mg/Kg ND . 36 NA <br /> FLAP Certificate NO:1753 <br /> Reviewed and Approved <br /> e<J� � f�✓ Page 2 of 2 <br /> John A.Murphy,LaboratoryDirecto <br /> P.O .Box 5624 • South San Francisco, California 94083 415 -588-2838 FAX 588 - 1950 <br /> t <br />