17 



Table 2-1 



Methods Used for Analysis of MQR Core and Surface Grab Samples 



Analysis 



EPA Method 



Instrumentation 



Sediment Samples 







PCBs 



3540/8080 



GC/MS 



Pesticides 



3540/8080 



GC/MS 



Priority Pollutant Metals: 







Antimony 



3051/7060 



ICP 



Arsenic 



3051/6010 



GFAA 



Beryllium 



3051/6010 



ICP 



Cadmium 



3051/6010 



ICP 



Chromium 



3051/6010 



ICP 



Copper 



3051/6010 



ICP 



Lead 



3051/7421 



GFAA 



Mercury 



7470 



CVAA 



Nickel 



3051/6010 



ICP 



Selenium 



3051/7740 



GFAA 



Silver 



3051/6010 



ICP 



Thallium 



3051/7841 



GFAA 



Zinc 



3051/6010 



ICP 



Volatile Organics 



8240 



GC/MS 



Polynuclear Aromatic 

 Hydrocarbons 



3540/8270 



GC/MS 



GC/MS = Gas Chromatograph/Mass Spectrometer 



ICP = Inductively Coupled Argon Plasma Emission Spectrometry 



GFAA = Graphite Furnace Atomic Absorption 



CVAA = Cold Vapor Atomic Absorption 



Sediment Core Chemistry Data Summary from the MQR Mound, August and December 1991 



