^--ifri 0141599 



Glossary of Units, Symbols, Acronyms and Terms 



Units 



kg kilogram; kg = 103 g 



g gram = 10-3 kg 



mg milligram; mg = 10-3 g 



ug microgram; ug = 10-3 mg 



ng nanogram; ng = 10-3 ug 



L liter; L = 1 dm3 



ml milliliter; ml = 10-3 l 



Symbols 



parts per million = ug/g = mg/kg 



parts per billion = 10-3 ppm, ng/g = ug/kg 



microg ram/gram 



milligram/kilogram 



mill igram/1 i ter 



microgram/1 iter 



microg ram/mi 11 ili ter 



na nog ram/mi lliliter 



AA Arsanilic acid 



ALA-D Delta aminolevulinic dehydratase 



AAS Atomic absorption spectrophotometry 



AOAC Association of Official Agricultural Chemists 



AWT Ash weight basis 



CCM Copper carbonate method 



CEC Cation exchange capacity 



d Day 



DTPA Diethylenetr i ami nepentaacetic acid 



DW Dry weight basis 



EDTA Ethylenediaminetetraacet ic acid 



EPA Environmental Protection Agency 



EPA CV Environmental Protection Agency cold vapor method 



ES Emission spectrographic 



FEP Blood-free erthrotyte porphyrins 



FLAAS Flameless atomic absorption spectrophotometry 



GLC Gas liquid chromatography 



INAA Instrumental neutron activation analysis 



IPAA Instrumental photon activation analysis 



LD20 A dose which is lethal for 20 percent of the test 



subjects 



MMC Methyl mercuric chloride 



MMH Methyl mercuric hydroxide 



Mo Month 



MSMA Monosodium acid methanear sona te 



MW Mining waste 



MYC Mycorrhiza 



ND Not determined 



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