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Table 2: Analytical Results of Brake Shavings from Rancho Cordova, California <br />Firestone Auto Service Center <br />,- <br />TTLC <br />TTLC <br />STLC Rrt <br />STLC <br />TCLP Iet <br />TC L <br />Result` to *► <br />Relntoxry- <br />=fL. <br />Retcrry:e <br />, <br />ttty <br />Analyt <br />M� <br />_ <br />Meth <br />etut . <br />Lit <br />MeIICI <br />MSI <br />Llmt , <br />Shavings <br />5�� <br />. <br />Sl�avings€igs <br />(n;�.} <br />Shavllsgs <br />Ivlrigs <br />=lite <br />elite <br />Antimony <br />110 <br />95 <br />500 <br />- <br />- <br />15 <br />- <br />- <br />- <br />Arsenic <br />ND <br />ND <br />500 <br />- <br />- <br />5.0 <br />ND <br />ND <br />5.0 <br />Barium <br />120 <br />120 <br />10,000 <br />- <br />- <br />100 <br />3.500 <br />3.300 <br />100.0 <br />Beryllium <br />ND <br />ND <br />75 <br />- <br />- <br />0.75 <br />- <br />- <br />- <br />Cadmium <br />26 <br />80 <br />100 <br />- <br />- <br />1 <br />ND <br />ND <br />1.0 <br />Chromium <br />1,600 <br />1,300 <br />2,500 <br />ND <br />1.000 <br />5 <br />0.099 <br />0.140 <br />5.0 <br />Cobalt <br />43 <br />38 <br />8,000 <br />- <br />- <br />80 <br />- <br />- <br />- <br />Copper <br />2000 <br />1,600 <br />2,500 <br />ND <br />ND <br />25 <br />- <br />- <br />- <br />Lead <br />7.3 <br />7.4 <br />1,000 <br />- <br />- <br />5.0 <br />ND <br />ND <br />5.0 <br />Mercury <br />ND <br />ND <br />20 <br />- <br />- <br />0.2 <br />ND <br />ND <br />0.2 <br />Molybdenum <br />100 <br />75 <br />3,500 <br />- <br />- <br />350 <br />- <br />- <br />- <br />Nickel <br />320 <br />290 <br />2,000 <br />ND <br />ND <br />20 <br />- <br />- <br />- <br />Selenium <br />ND <br />ND <br />100 <br />- <br />- <br />1.0 <br />ND <br />ND <br />1.0 <br />Silver <br />ND <br />ND <br />500 <br />- <br />- <br />5 <br />ND <br />ND <br />5.0 <br />Thallium <br />ND <br />ND <br />700 <br />- <br />- <br />7.0 <br />- <br />- <br />- <br />Vanadium <br />62 <br />50 <br />2,400 <br />- <br />- <br />24 <br />- <br />- <br />- <br />Zinc <br />230 <br />220 <br />5,000 <br />- I <br />- <br />250 <br />- <br />- <br />- <br />Notes: <br />1) Metal Shaving sample and Metal Shaving Duplicate sample were collected on February 9, 2010 from Firestone Complete Auto <br />Care Center located at 10407 Folsom Blvd in Rancho Cordova, California. <br />2) Source is California Code of Regulations, Title 22, Chapter 11, and Article 3. <br />3) TTLC means Total Threshold Limit Concentration, STLC means Soluble Threshold Limit Concentration & TCLP means <br />Toxicity Characteristic Leaching Procedure. <br />4) TTLC results that exceed ten times the STLC regulatory limit were analyzed by the STLC method. <br />11 <br />