ARCHIVED REPORTS XR0005812 - Laserfiche WebLink

Home Browse Search

J ed o 4 custody form They are placed 1nZ3bags ot stored custody} delivered to to t the o chosensen ice The preserved samples areCOC (chain laboratory ANALYTICAL RESULTS TPH is the abbreviations used for Total Petroleum Hydrocarbons used by the laboratories for water and soil analyses The letter following TPH indicates a particular distinction or grouping for the results The letters "g", "d", "k", or "o" indicate gasoline, diesel, kerosene, or oil, respectively, i e TPH-d for diesel ranges TPH BTEX or MTBE are acronyms or abbreviations used for Benzene, Toluene, Ethylbenzene and all of the Xylenes (BTEX) and Methyl tertiary-Butyl Ether (MTBE), respectively MBTEX is the designation for the combination of the above fi.,e compounds TBA, DIPS, ETBE, and TAME are the acron)ms used for the oxygenates t-butanol, di- isopropyl ether, ethyl-t-butyl ether, and t-ani}Imethyl ether, respectively Laboratory lower detection limits unless othene isseas fnoted. o o d s due to matrix interference or elevated concentrations of target compounds, � TPHg 50 ug/L MTBE 0 ug/L Benzene 0 5 ug/L Toluene 0 5 ug/L Ethyl Benzene 0 5 ug/L Total Xylenes 2 0 ug/L The less than symbol, <, used with a "parts per value" indicates the lower detection limit for a given analytical result and the level, if present, of that particular analyte is below or less than that lower detection limit Other abbreviations commonly used are ppm, ppb, mg/Kg, ug/Kg, ml/1 and uUi are parts per million, parts per billion, milligrams per kilogram, micrograms per kilogram, milliliters per liter, microliters per liter, respectively CHAIN OF CUSTODY DOCUAZENTATION All water samples that are collected by NNIEGE and transported to a certified analytical laboratory are accompanied by chain-of- custody (COC} documentation This documentation is used to record the moN ement and custody of a sample-fronFcollection in the field to final analysis and storage Samples to be analyzed at the certified laboratory were logged on the COC sheet provided by the laboratory The same information provided on the notedon labels theeCOCname, form sample Eachlocation, persondate, relinquishing analysis to be performed) 5 also custody of the sample set signs the COC form indicating the date and time of the transfer to the recipient A copy of the COC follows the samples or their extracts throughout the laboratory to aid the analyst in identifying-the samples and to assure analysis within holding times. Copies of the COC documentation are included with the laboratory results in Appendix C of the sampling report