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Reference recovery analysis for Site 524, Nov 2001

Machine-extracted title · confidence 80%

Quality control reference recovery test (SRE524) conducted 11/8/01 measuring surrogate compound recoveries including 1,2-dichloroethane-D4 and 4-bromofluorobenzene to validate anal

NYC-WTC_000001015–000001019

Folder label: “524 11/9/01

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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed) Data File : C:\HPCHEM\1\DATA\01nov8\1108R40.D Vial: 7 Acq On 8 Nov 2001 2:02 pm Operator: Sample : ref 40 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Nov 8 14:41 2001 Quant Results File: HP110101.RES

Quant Method : C:\HPCHEM\1\METHODS\HP110101.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Nov 02 15:17:46 2001 Response via : Initial Calibration DataAcq Meth : HP110101

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 14.46 114 725389 5.00 ug/L 0.02 22) CHLOROBENZENE-D5 21.03 117 657778 5.00 ug/L 0.00 50) 1,4-DICHLOROBENZENE-D4 26.19 152 293402 5.00 ug/L 0.00 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.66 65 215105 5.02 ug/L 0.00 Spiked Amount 5.000 Recovery = 100.40% 3) 4-BROMOFLUOROBENZENE 23.61 174 213857 5.67 ug/L 0.00 Spiked Amount 5.000 Recovery = 113.40% 23) TOLUENE-D8 17.76 98 953343 4.80 ug/L 0.02 Spiked Amount 5.000 Recovery = 96.00%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.48 85 951351 49.09 ug/L 99 5) CHLOROMETHANE 4.98 50 1002625 53.68 ug/L 99 6) VINYL CHLORIDE 5.11 62 389934 27.60 ug/L 97 7) BROMOMETHANE 6.06 94 691076 39.07 ug/L 99 8) CHLOROETHANE 6.20 64 612201 48.18 ug/L 100 9) TRICHLOROFLUOROMETHANE 6.74 101 1673303 53.83 ug/L 99 10) ACETONE 7.66 43 135975 34.60 ug/L 93 11) 1,1-DICHLOROETHENE 8.02 61 1845213 49.39 ug/L 97 12) METHYLENE CHLORIDE 8.99 49 1700336 41.69 ug/L 97 13) METHYL TERT BUTYL ETHER 9.29 73 1762608 25.47 ug/L 98 14) TRANS-1,2-DICHLOROETHENE 9.65 61 1983237 47.33 ug/L 98 15) 1,1-DICHLOROETHANE 10.52 63 2437461 44.43- 99 ug/L

16) 2-BUTANONE (MEK) 11.36 43 281921 35.40 ug/L 99 17) 2,2-DICHLOROPROPANE 11.73 77 2004507 48.62 ug/L 99 18) CIS-1,2-DICHLOROETHENE 11.82 96 1321383 44.74 ug/L 95 19) CHLOROFORM 12.16 83 2172516 44.35 ug/L 98 20) BROMOCHLOROMETHANE 12.51 49 1061162 43.29 ug/L 97 21) 1,2-DICHLOROETHANE 13.86 62 1254655 41.94 ug/L 99 24) 1,1,1-TRICHLOROETHANE 13.04 97 1831793 46.80 ug/L 100 25) 1,1-DICHLOROPROPENE 13.37 75 1899478 44.41 ug/L 100 26) CARBON TETRACHLORIDE- _ 13.62 117 1487354 49.43 ug/L 100 27) BENZENE 13.98 78 5519784 41.23 ug/L 100 28) TRICHLOROETHENE 15.22 95 1366875 43.50 ug/L 99 29) 1,2-DICHLOROPROPANE 15.58 63 1412246 39.92 ug/L 99 30) DIBROMOMETHANE - 16.23 174 378040 44.26 ug/L 99 31) BROMODICHLOROMETHANE 16.07 83 1487429 42.01 ug/L 99 32) 2-CHLOROETHYL VINYL ETHER 16.59 63 451309 45.00 ug/L 98 33) Methyl iso-butyl ketone 16.65 58 221642 41.10 ug/L 85 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1108R40.D HP110101.M Thu Nov 08 14:41:38 2001 Page 1

NYC-WTC 000001017

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NYC-WTC_000001017Source: NYC Law Department, mirrored locally

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