Laserfiche WebLink
Project Number: SF&175.0204.72 <br /> Consultant Project Number: 203-175-3241'4 <br /> Contract Number: N46CW002449 <br /> Facility Number: 94)557 <br /> Work Order Number: D005261 <br /> Report issue Date: May 11, 19W <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> Naphthalene <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Soil <br /> EPA Method 8020/8015 <br /> Acceptability Limitsl: 60- 130 % <br /> Expected Result, Surrogate Result, Surrogate <br /> GTEL No. ug/L ug/L Recovery, % <br /> Water Blank 200 198 99 <br /> McOH Blank 200 186 93 <br /> 01 200 222 111 <br /> 02 200 192 96 <br /> 03 200 248 124 <br /> 04 200 192 96 <br /> 05 200 202 101 <br /> MS 200 1 210 105 <br /> MSD 200 222 111 <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> 1 = Acceptability limits are derived from the 99% confidence interval <br /> of all samples during the previous quarter. <br /> GTEL Concord,CA Page 5 of 6 <br /> D005261.DOC <br /> MGTELR <br /> LABORATORIES, INC. <br />