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RECEIVED BY SJCEHD (EF) on 3/20/20 <br /> safetqohleens <br /> PROTECTION-CHOICES-PEOPLE <br /> MARE GREEN WORK <br /> March 22, 2016 <br /> Mr. Bob Gillespie <br /> O'Reilly Auto Parts <br /> Manager of Regulatory/Environmental Compliance <br /> 336 South Barnes <br /> Springfield, MO 68802 <br /> RE: Brake Lathe Shavings Generated by O'Reilly Auto Parts Stores in California are Classified as Exempt <br /> Scrap Metal When Sent for Steel Recycling <br /> Dear Mr. Gillespie, <br /> On March 10, 2016, a representative from Safety-Kleen (Mrs. Nahid Toossi) visited three O'Reilly Auto Parts <br /> facilities and pulled representative samples, under chain of custody protocols, of metal shavings generated from <br /> turning/trimming steel brake rotors and drums. <br /> BRAKE LATHE SHAVINGS SAMPLING LOCATIONS <br /> Store Address City State Zip Store Manager <br /> 3576 15315 CULVER DR STE 170 IRVINE CA 926047133 Oscar Beristain <br /> 3124 1015 SOUTH MAIN STREET SANTA ANA CA 927015751 TonyAguilera <br /> 4666 2801 SOUTH BRISTOL STREET SANTA ANA CA 927046203 Jose Ortiz <br /> The three samples (440-140711, 440-140715, 440-140719) were analyzed by independent accredited/certified <br /> laboratories for the following parameters: <br /> MethodParameter Preparation Analytical Method(s) <br /> TCLP Metals SW846 1311 SW846 6010/7470 <br /> STLC Metals CA WET Citrate SW846 6010/7470 TestAmerica <br /> TCLP Volatiles SW846 1311 SW846 8260 <br /> Particle Size NA ASTM C136 Leighton <br /> Analytical Reports Summary <br /> Test data shows all three samples are <br /> • Non-hazardous for RCRA regulated metals (e.g., lead and chromium under EPA SW-846 TCLP testing) <br /> • Non-hazardous for RCRA regulated volatiles (e.g., benzene and solvents under EPA SW-846 TCLP testing) <br /> • Non-hazardous for California regulated metals (e.g., lead and chromium under Title 22 CCR WET testing) <br /> • Particle size analysis on the three representative samples of brake lathe shavings show the metal shavings <br /> are 92%, 88%, and 85% larger than 100 micrometers (0.100 mm) in diameter. These results mirror the <br /> analysis performed on three samples back on September 23, 2009 showing the metal shavings were 97%, <br /> 91%, and 88% larger than 100 micrometers in diameter. <br /> 2600 North Central Upressway I Suite 4001 Richardson,TX 75000 <br /> 800.669.5740 1 972.265.2957 (f) I Safety-Kleen Systems, Inc. I A Clean Harbors Company I safety-kieen.com <br />