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�� 1001704/20/00 18:47 V415 70 512 TRACE ANALYSIS <br />a <br />Method and <br />��n5titueot <br />EPA Method 7420: <br />Lead ' <br />EPA Method 7471: <br />Mercury <br />EPA Method 7520: <br />Nickel <br />EPA Method 7741: <br />Selenium <br />EPA Method 7760: <br />Silver <br />EPA Method 7841: <br />Thallium <br />EPA Method 7950: <br />Zinc <br />' Trace Analysis Laboratory, Inc. <br />LOG NO. 8512 <br />DATE SAMPLED: 3/30/90 <br />DATE RECEIVED: 3/30/90 <br />DATE EXTRACTED: 4/4/90, 4/10/90 and 4/11/90 <br />DATE ANALYZED: 4/10/90, 4/11/90, and 4/12/90 <br />DATE REPORTED: 4/18/90 <br />PAGE: Thirty Six <br />Samt)l a Tvoe • Soil <br />3880 3882 3883 <br />Concen- Detettion Concen- Detection Concen- Detection <br />Units Inlian _ Limit, tration 1_tmi�t trati.Q� Limit__ _ <br />ug/kg <br />< 4,000 <br />41000 <br />< 5,000 <br />5,000 <br />- ug/kg <br />< 20 <br />20 <br />< 20 <br />20 <br />ug/kg <br />11,006 <br />4,000 <br />6,700 <br />2,000 <br />6,000 5,000 <br />< 20 20 <br />8,700 2,000 <br />ug/kg < 50 50 650 50 < 50 50 <br />—,- <br />, ,1� a,- — , <br />ug/kg < 2,000 2,000 < 20000 2,000 < 2,000 2,000 <br />ug/kg 210 50 140 50 230 50 <br />ug/kg 68,000 700 50,000 <br />700 55,000 <br />0 <br />, <br />