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h, <br />Certificate of Analysis <br />CHEMTECH-FORD <br />LABORATORIES <br />Report Footnotes <br />Abbreviations <br />ND — Not detected at the corresponding Minimum Reporting Limit. <br />1 mg/L — one milligram per liter or 1 mg/Kg — one milligram per kilogram — 1 part per million. <br />1 ug/L — one microgram per liter or 1 ug/Kg — one microgram per kilogram — 1 part per billion. <br />1 ng/L — one nanogram per liter or 1 ng/Kg — one nanogram per kilogram — 1 part per trillion. <br />Flag Descriptions <br />S-04 — The surrogate recovery for this sample is outside of established control limits due to a sample matrix effect. <br />www.chemtechford.com <br />MainReport-no surr.rpt <br />Page 17 of 17 <br />9632 South 500 West <br />Sandy, LIT 84070 <br />801-262-7299 Office <br />