NYC-WTC_000204954

NYC 9/11 Public Portal Document

1700 Elrri Street • Suite 200 Minneapolis, MN 55414 TW

BceAnaIvtica! Method 8290 Analysis Results Tsi: 612-607-1700 Fnx: 61?- 607-6444

Client - ATC Client's Sample ID , ATC-0427-STY-DX19 Lab Sample ID 103513412 ■ . Filename F20523A_17 injected By t yBal ■■ ''.<;■ '"'7 ' Total Amount Extracted 0.09 g Matrix DUST % Moisture ...NA . Dilution NA Dry Weight Extracted NA Collected 04/2772002 ICALDate 05/04/2002 Received 05/01/2002 CCal Fi!ename(s) F20523A_05 & F20523^0 Extracted 05/20/2002 Method Blank ID BLANK-1633 Analyzed 05/24/2002 01:57 Native Cone EMPC LRL Internal ng's Percent Isomers ng/Kg ng/Kg ng/Kg / Standards Added Recovery 2.3,7,8-TCDF < 36 ' ------- 22 J . • 2.3.7.8-TCDF-13C <•<<2.00 ■

I TotalTCDF < < 480 ---- -' 22 <■ ■ 2,3,7,8-TCDD-13C. 2.00 1,2,3,7,8-PeCDF-13C <" 2.00 ; 2,3,7,8-TCDD ND 26 A 2,3,4,7,a-PeCDF-13C 2.00 Total TCDD 510 22 B 1.2,3,7,8-PeCDD-13C 2.00

I 1.2,3,4,7,8-HxCDF-13C 2.00 1,2,3,7,8-PeCDF ND 2.3,4.7.8-PgCDF <120 Total PeCDF ■ 560 110 < 1,2,3.7,a,9-HxCDF-13C 7 2.00 . < 1,2,3.4,7,a-HxCDD-13C 2.00<< ■ 1.2.3,7,8-PeCDD ’.TTWI PeCDD : < 1,2,3,4,7,8-HxCDF 1,2,3,6.7.8-HxCDF 2,3,4,6,7.8.HxCDF' 1,2,3,7,8,9-HxCDF Total HxCDF '<< </ < ND ■ ND 1300 ;

270 << 910 - ;< 1 < 170 170 110 110 HOE 110 E < ;<; no J no < ’ 110 ;< . 1,2,3,6,7,8-HxCDD-13C 1,2.3,4,6,7,8-HpCDF-13C, 1,2,3,4,7,8,9-HpCSF-13C

: 1 ,2,3,7,8,9-HxCDD-1 3C s; • 7 2.00 ■

Wj4,6,:^8-HpCDD-13C<I 2.00 OCDD-13C <■ 1,2,^^^^ 2.00 " 2.00 T 4.00 <..;: <

jz:?2.00 ■ ? ■ ■ 2.00 < I NA­ NA ND 110 < < 2,3,7.8-TCDD-37CI4 0.20 89 < • 1,2,3,6,7,8-HxCDD < 110 J< 1,2,3,7.8,9-HxCDD Total HxCDD • < ’is 1.2.3,4,6,7.8-HpCDF ?- ■ < 880 7 110 •. TDtal2.3.7,8-TCDD < 1,2.3,4,7,8,9-HpCDF 130 no J Equivalence; 160 rigMg Total HpCDF Y ■ 1700 ; 110 (Using ITE Factors) ■ ■ 7 1,2,3,4.6,7,8-HpCDD I T 1700 7 /T 110 < Total HpCDD 4100 < 7 :;■■■ no-/Y

OCDD - Results reported on a total weight basis LRL = Lower Reporting Limit Cone = Concentration (Totals include 2,3,7.S-substitUtad isomers) 1 = Interference EMPC = Estimated Maximum Possible Concentration E= PCDE interterenca A = Detection Limit based on slgnal-to-noisa measurement s = saturated signal J = Concentration detected is below the calibration range ND = Not Detected B = Less than 10 times higher than msthod blank level NA c Not Applicable P = Recovery outside of target range NO = Not Calculated Nn = Value obtained from additional analysis ■ < • - See Discussion vYr Report No.....02-1057132 "

REPORT OF LABORATORY ANALYSIS This report shall not ba raproduoed, except in full, without the wnttan consent of Paos Analytical Services. Inc.

CITY_21MC100_008987362

NYC-WTC_000204961