ARCHIVED REPORTS XR0005811 - Laserfiche WebLink

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ed custody form They are placed in ziplock bags and stored in a chest lest coolred to t 4 o chosen ice The preserved samples are COC (chain of custody) 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 for,d11 ,id el 'I", or "o" indicate gasoline, diesel, kerosene, or oil, respectively, i e TPH PH BTEX or MTBE are acronyims aorridbbethi Itions usd for Benzene,tertiaryeB t}1 Ether (MTBE),irespect",elryizene and all of the Xylenes (BTEX) } MBTEX is the designation for the combination of the above fi%e compounds TBA, D1PE, ETRE, and TAME are the acron}ms used for the oxygenates t-butanol, di- isopropyl ether, ethyl-t-butyl ether, and t-am}]methyl ether, respectiN ely Laboratory lower detection limits unless oth�eis fnnotos noted due to matrix interference or as v. elevated concentrations of target compounds TPH 50 ug/L MTBE 0 5 ug/L g Benzene 0 $ ugh Toluene 0 5 ug/L Ethyl Benzene 0 S 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, uglKg, mi/1 and ul/1 are parts per million, parts per billion, milligrams per kilogram, micrograms per kilogram milliliters per liter, microliters per liter, respect",ely CHAIN OF CUSTODY DOCUMENTATION All water samples that are collected by NNrEGE and transported to a certified analytical laboratory are accompanied by chain-of- custody (COC) documentation documentation is used to record the moi ement and custody of a sample froiri-collection fied in the field to final anal}sishenCOCrsheet age S ovpded amles tbybtlie laboratory e anal,,zed at tliThe same laboratory were logged on t p information provided on the samp�oi deo",the COCeform sample Ea�hapersondate, relinquashing analysis to be performed) is also custody of the sample set signs the COC ofWrm�edi�p'g fes or heir date and extracts eof the transfer tliroughout the to the recipient A copy of the C 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