Laserfiche WebLink
Page 43 of 48 <br /> e u rof i ns I Quality Control - LCS/LCSD <br /> aiscience <br /> EarthCon Consultants, Inc. Date Received: 10/02/15 <br /> 2124 Main Street, Suite 200 Work Order: 15-10-0164 <br /> Huntington Beach, CA 92648-2030 Preparation: EPA 5030C <br /> Method: EPA 8260B <br /> Project: Cove Contractors/04.20090407.00 Page 8 of 8 <br /> Quality Control Sample ID Type Matrix Instrument Date Prepared Date Analyzed LCS/LCSD Batch Number <br /> Parameter i�ke LCS Conc. LCS LCSD LCSD °aRec.QL ME CL RPD RPD CL Qualifiers <br /> Added %Rec. Conc. %aRec. <br /> Benzene 50.00 52.75 106 55.42 111 80-120 73-127 5 0-20 <br /> Carbon Tetrachloride 50.00 55.79 112 58.95 118 67-139 55-151 6 0-20 <br /> Chlorobenzene 50.00 54.20 108 55.96 112 78-120 71-127 3 0-20 <br /> 1,2-Dibromoethane 50.00 54.47 109 58.15 116 80-120 73-127 7 0-20 <br /> 1,2-Dichlorobenzene 50.00 54.19 108 56.61 113 63-129 52-140 4 0-20 <br /> 1,2-Dichloroethane 50.00 52.38 105 55.69 111 70-130 60-140 6 0-20 <br /> 1,1-Dichloroethene 50.00 54.05 108 57.21 114 66-126 56-136 6 0-20 <br /> Ethylbenzene 50.00 55.31 111 57.06 114 80-123 73-130 3 0-20 <br /> Toluene 50.00 53.17 106 55.94 112 80-120 73-127 5 0-20 <br /> Trichloroethene 50.00 50.80 102 52.56 105 80-122 73-129 3 0-20 <br /> Vinyl Chloride 50.00 52.96 106 55.99 112 70-130 60-140 6 0-20 <br /> p/m-Xylene 100.0 117.2 117 120.0 120 75-123 67-131 2 0-20 o <br /> o-Xylene 50.00 54.25 108 56.36 113 74-122 66-130 4 0-20 2 <br /> Methyl-t-Butyl Ether(MTBE) 50.00 50.65 101 55.25 110 69-129 59-139 9 0-20 <br /> Tert-Butyl Alcohol(TBA) 250.0 203.7 81 217.2 87 69-129 59-139 6 0-20 <br /> Diisopropyl Ether(DIPE) 50.00 50.32 101 54.09 108 68-128 58-138 7 0-20 <br /> Ethyl-t-Butyl Ether(ETBE) 50.00 48.66 97 52.12 104 63-135 51-147 7 0-20 <br /> Tert-Amyl-Methyl Ether(TAME) 50.00 49.32 99 52.82 106 67-133 56-144 7 0-20 <br /> Ethanol 500.0 535.9 107 553.3 111 42-168 21-189 3 0-20 <br /> Total number of LCS compounds:19 <br /> Total number of ME compounds:0 <br /> Total number of ME compounds allowed:1 <br /> LCS ME CL validation result:Pass <br /> RPD:Relative Percent Difference. CL:Control Limits <br /> 7440 Lincoln Way,Garden Grove,CA 92841-1427 • TEL:(714)895-5494 • FAX:(714)894-7501 <br />