Laserfiche WebLink
QUALITY CONTROL REPORT <br /> Laboratory Control Sample/LaboratoryControl Sample Duplicate <br /> Total Petroleum Hydrocarbons TPH- asoline <br /> Analyst TL LP# 7639A <br /> Date of Analysis 05/21/93 Spike Sample ID LCS _LCSDS Gas-;49 <br /> Column DB624 Spike ID Coda W-1-316 <br /> Instrument # 6 Surrogate ID Code W-1-681 <br /> Batch # 930520-0901 Matrix Soil Units mg/K& <br /> (a) (b) (c) (d) (e) (f} (g) ACCEPTANCE <br /> LIMITS <br /> SAMPLE + SAMPLE DUP SPIKE <br /> SAMPLE SPIKE SPIKE SPIKE + DUP <br /> COMPOUNDS CONC CONC CONC REC To SPIKE CONC REC % RPD %r % REC RPD <br /> Gas 0 2 50 290 116 285 114 ? 75- 125 2 5 <br /> Spike Recovery d = ((c-a)/b) x 100 <br /> Spike Duplicate Recovery f = ((e-a)/b) x 100 <br /> Relative Percent Difference g = ( Ic-el )/((c+e) x 5) x 100 <br /> (h) <br /> SAMPLE + <br /> SURROGATE SPIKE SURROGATE SPIKE. SURROGATE ACCEPTANCE LIMITS <br /> SURROGATE COMPOUNDS CONC CONC RECOVERY %r °fo REC <br /> 1LOrthochlorotoluene 0200 0 190 90 56- 131 <br /> Surrogate % Recovery = _ (i/h) x 100 <br /> MBT E , <br /> Environmental � fJ aster Bidan-- , ,,, <br /> Laboratories a €! ;v <br /> i1��11 <br />