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i <br /> Section 17 <br /> ONSITE Envtrotunental Laboratories, Inc Revision 0 <br /> Quality Assurance Plan February 15, 1996 <br /> Page 2 of 2 <br /> Table 1 General Guidelines for Reviewing ONSITE Data <br /> ' Parameter and Method Precision Accuracy � Completeness <br /> Water Samples <br /> Trace Elements by ICAP 257a ± 25% 90% <br /> Trace Elements by AA 20% ±20% 90% <br /> ' Cations/Aruons by Tritrimetric/Spectrometry 20% + 2090 90% <br /> Methods <br /> Classic Wet Chemistry Analytes 20% + 20% 90% <br /> Volatile Organics by GC/MS 25% + 40% 9070 <br /> Semi-Volaule Orgarucs by GCIMS 35% + 55% 90% <br /> ' Volatile Organics by GC 25% ±25% 90% <br /> Pesticides/PCB's by GC/EC 25% + 35 a 90% <br /> Petroleum Hydrocarbons by IR 20% + 20% 90% <br /> Sod/Waste Samples <br /> Metals by ICAP 25% ±25% 90% <br /> Trace Elements by AA 25% + 30 e 190% <br /> Classic Wet Chemistry Analytes 30% + 30% 90% <br /> ' Volatile Organics by GC/MS 35% + 40% 90%a <br /> Serra-Volatile Organics by GC/MS 35% + 55% 90% <br /> ' Volatile Organics by GC 25% ±25% 90% <br /> Pesticides/PCB's by GC/EC 25% + 40% 90% <br /> Petroleum Hydrocarbons by IR 120% + 20% 190% <br /> I <br /> Word 6 0 loeisec17 doc <br />