Appendix A 

Filter Analysis Reports 

Winter and Summer 2009 
THIS PAGE INTENTIONALLY LEFT BLANK. 
T & B SYSTEMS 

CLIENT # T011 

REPORT # 09-093 

SUBMITTED BY: 

CHESTER LabNet 

12242 S.W. GARDEN PLACE 

TIGARD, OR 97223 

(503)624-2183/FAX (503)624-2653 

www.ChesterLab.Net 
A-2
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1040

 Filter ID: P8016033

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/15/09

8070002

 Volume: 7.140 +- 0.714 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 283. ± 10. 39.64 ± 4.204

 XRF

 Pb 0.3277 ± 0.0339 0.1158 ± 0.0127 0.0459 ± 0.0066

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1041

 Filter ID: P8016034

 Site: E.Tarmac

 Sample Date: 3/12/09

Filter Lot #: 8070002

 Volume: 6.084 +- 0.608 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Comments: Non-uniform Deposit Density (NUDD)

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 250. ± 10. 41.09 ± 4.423

 XRF

 Pb 0.0949 ± 0.0271 0.0380 ± 0.0110 0.0156 ± 0.0047

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1042

 Filter ID: P8016035

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/12/09

8070002

 Volume: 5.790 +- 0.579 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 237. ± 10. 40.93 ± 4.443

 XRF

 Pb 0.0960 ± 0.0271 0.0405 ± 0.0116 0.0166 ± 0.0050

 * - Concentration is less than three times the uncertainty 

A-3
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1043

 Filter ID: P8016036

 Site: E.Tarmac

 Sample Date: 3/12/09

Filter Lot #: 8070002

 Volume: 0.0350 +- 0.004 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Comments: Field Blank

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 35. ± 10. 1000. ± 307.7

 XRF

 * Pb 0.0000 ± 0.0237 0.0000 ± 0.0678 0.0000 ± 0.6780

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1044

 Filter ID: P8016037

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/14/09

8070002

 Volume: 7.640 +- 0.764 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 323. ± 10. 42.28 ± 4.426

 XRF

 Pb 0.2712 ± 0.0328 0.0840 ± 0.0105 0.0355 ± 0.0056

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1045

 Filter ID: P8016038

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/12/09

8070002

 Volume: 5.909 +- 0.591 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 208. ± 10. 35.20 ± 3.906

 XRF

 Pb 0.0814 ± 0.0260 0.0391 ± 0.0126 0.0138 ± 0.0046

 * - Concentration is less than three times the uncertainty 

A-4
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1046

 Filter ID: P8016039

 Site: Res

 Sample Date:

Filter Lot #: 

3/14/09

8070002

 Volume: 7.354 +- 0.735 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 319. ± 10. 43.38 ± 4.544

 XRF

 Pb 0.2124 ± 0.0305 0.0666 ± 0.0098 0.0289 ± 0.0051

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1047

 Filter ID: P8016040

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/15/09

8070002

 Volume: 7.200 +- 0.720 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 237. ± 10. 32.92 ± 3.573

 XRF

 * Pb 0.0452 ± 0.0237 0.0191 ± 0.0100 0.0063 ± 0.0034

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1048

 Filter ID: P8016041

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/13/09

8070002

 Volume: 7.694 +- 0.769 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 360. ± 10. 46.79 ± 4.854

 XRF

 Pb 0.0825 ± 0.0260 0.0229 ± 0.0072 0.0107 ± 0.0035

 * - Concentration is less than three times the uncertainty 

A-5
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1049

 Filter ID: P8016042

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/15/09

8070002

 Volume: 4.234 +- 0.423 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 177. ± 10. 41.80 ± 4.798

 XRF

 Pb 0.4181 ± 0.0384 0.2362 ± 0.0255 0.0987 ± 0.0134

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1050

 Filter ID: P8016043

 Site: W.Tarmac

 Sample Date: 3/14/09

Filter Lot #: 8070002

 Volume: 7.646 +- 0.765 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Comments: Scratches on Filter Membrane

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 316. ± 10. 41.33 ± 4.337

 XRF

 * Pb 0.0136 ± 0.0260 0.0043 ± 0.0082 0.0018 ± 0.0034

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1051

 Filter ID: P8016044

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/14/09

8070002

 Volume: 4.277 +- 0.428 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 197. ± 10. 46.06 ± 5.168

 XRF

 Pb 0.2271 ± 0.0305 0.1153 ± 0.0166 0.0531 ± 0.0089

 * - Concentration is less than three times the uncertainty 

A-6
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1052

 Filter ID: P8016045

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/13/09

8070002

 Volume: 8.441 +- 0.844 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 395. ± 10. 46.80 ± 4.827

 XRF

 Pb 0.2836 ± 0.0339 0.0718 ± 0.0088 0.0336 ± 0.0052

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1053

 Filter ID: P8016046

 Filter Lot #: 8070002

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Comments: Loaded; never run

 Analyte μg/filter percent

 Gravimetry

Net Mass 15. ± 10.

 XRF

 * Pb 0.0000 ± 0.0215 0.0000 ± 0.1431

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1054

 Filter ID: P8016047

 Site: Res

 Sample Date:

Filter Lot #: 

3/15/09

8070002

 Volume: 7.283 +- 0.728 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 287. ± 10. 39.41 ± 4.172

 XRF

 Pb 0.3650 ± 0.0362 0.1272 ± 0.0134 0.0501 ± 0.0071

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1055

 Filter ID: P8016048

 Site: Res

 Sample Date:

Filter Lot #: 

3/13/09

8070002

 Volume: 7.694 +- 0.769 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 395. ± 10. 51.34 ± 5.293

 XRF

 Pb 0.3085 ± 0.0328 0.0781 ± 0.0085 0.0401 ± 0.0058

 * - Concentration is less than three times the uncertainty 

A-7
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1056

 Filter ID: P8016049

 Filter Lot #: 8070002

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Comments: Blank

 Analyte μg/filter percent

 Gravimetry

Net Mass 8. ± 10.

 XRF

 * Pb 0.0056 ± 0.0237 0.0706 ± 0.3095

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1057

 Filter ID: P8016050

 Site: Res

 Sample Date:

Filter Lot #: 

3/15/09

8070002

 Volume: 7.170 +- 0.717 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 261. ± 10. 36.40 ± 3.898

 XRF

 Pb 0.2689 ± 0.0316 0.1030 ± 0.0127 0.0375 ± 0.0058

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1058

 Filter ID: P8016251

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/13/09

8070002

 Volume: 4.616 +- 0.462 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 213. ± 10. 46.14 ± 5.101

 XRF

 Pb 0.2226 ± 0.0305 0.1045 ± 0.0151 0.0482 ± 0.0082

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1059

 Filter ID: P8016252

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/13/09

8070002

 Volume: 7.560 +- 0.756 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 364. ± 10. 48.15 ± 4.993

 XRF

 Pb 0.1910 ± 0.0305 0.0525 ± 0.0085 0.0253 ± 0.0048

 * - Concentration is less than three times the uncertainty 

A-8
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1060

 Filter ID: P8016253

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/12/09

8070002

 Volume: 5.674 +- 0.567 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 199. ± 10. 35.07 ± 3.923

 XRF

 * Pb 0.0622 ± 0.0260 0.0312 ± 0.0132 0.0110 ± 0.0047

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1061

 Filter ID: P8016254

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/15/09

8070002

 Volume: 7.200 +- 0.720 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 307. ± 10. 42.64 ± 4.484

 XRF

 * Pb 0.0000 ± 0.0249 0.0000 ± 0.0081 0.0000 ± 0.0035

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1062

 Filter ID: P8016255

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/27/09

8070002

 Volume: 8.316 +- 0.832 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 518. ± 10. 62.29 ± 6.347

 XRF

 Pb 0.4045 ± 0.0396 0.0781 ± 0.0078 0.0486 ± 0.0068

 * - Concentration is less than three times the uncertainty 

A-9
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1063

 Filter ID: P8016256

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/27/09

8070002

 Volume: 4.620 +- 0.462 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 310. ± 10. 67.10 ± 7.050

 XRF

 Pb 0.4045 ± 0.0373 0.1305 ± 0.0127 0.0876 ± 0.0119

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1064

 Filter ID: P8016257

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/27/09

8070002

 Volume: 7.560 +- 0.756 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 464. ± 10. 61.38 ± 6.278

 XRF

 Pb 0.5480 ± 0.0441 0.1181 ± 0.0098 0.0725 ± 0.0093

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1065

 Filter ID: P8016258

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/27/09

8070002

 Volume: 7.530 +- 0.753 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 439. ± 10. 58.30 ± 5.979

 XRF

 * Pb 0.0622 ± 0.0260 0.0142 ± 0.0059 0.0083 ± 0.0035

 * - Concentration is less than three times the uncertainty 

A-10
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1066

 Filter ID: P8016259

 Site: Res

 Sample Date:

Filter Lot #: 

3/27/09

8070002

 Volume: 7.711 +- 0.771 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 447. ± 10. 57.97 ± 5.939

 XRF

 Pb 0.3548 ± 0.0350 0.0794 ± 0.0080 0.0460 ± 0.0065

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1067

 Filter ID: P8016260

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/28/09

8070002

 Volume: 6.997 +- 0.700 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 333. ± 10. 47.59 ± 4.971

 XRF

 Pb 0.2068 ± 0.0294 0.0621 ± 0.0090 0.0296 ± 0.0051

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1068

 Filter ID: P8016261

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/28/09

8070002

 Volume: 4.272 +- 0.427 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 242. ± 10. 56.65 ± 6.127

 XRF

 Pb 0.1966 ± 0.0282 0.0812 ± 0.0121 0.0460 ± 0.0081

 * - Concentration is less than three times the uncertainty 

A-11
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1069

 Filter ID: P8016262

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/28/09

8070002

 Volume: 7.528 +- 0.753 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 319. ± 10. 42.38 ± 4.442

 XRF

 * Pb 0.0000 ± 0.0237 0.0000 ± 0.0074 0.0000 ± 0.0032

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1070

 Filter ID: P8016263

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/28/09

8070002

 Volume: 6.968 +- 0.697 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 313. ± 10. 44.92 ± 4.717

 XRF

 * Pb 0.0350 ± 0.0226 0.0112 ± 0.0072 0.0050 ± 0.0033

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1071

 Filter ID: P8016264

 Site: Res

 Sample Date: 3/28/09

Filter Lot #: 8070002

 Volume: 7.140 +- 0.714 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Comments: filter torn during removal

not suitable for XRF analysis

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 340. ± 10. 47.62 ± 4.964

 * - Concentration is less than three times the uncertainty 

A-12
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1072

 Filter ID: P8016265

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/29/09

8070002

 Volume: 7.380 +- 0.738 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 302. ± 10. 40.92 ± 4.311

 XRF

 Pb 0.4373 ± 0.0373 0.1448 ± 0.0132 0.0593 ± 0.0078

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1073

 Filter ID: P8016266

 Site: E. Tarmac

 Sample Date:

Filter Lot #: 

3/29/09

8070002

 Volume: 4.217 +- 0.422 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 175. ± 10. 41.50 ± 4.782

 XRF

 Pb 0.3695 ± 0.0373 0.2111 ± 0.0245 0.0876 ± 0.0125

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1074

 Filter ID: P8016267

 Site: W.Tarmac

 Sample Date:

Filter Lot #: 

3/29/09

8070002

 Volume: 6.990 +- 0.699 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 251. ± 10. 35.91 ± 3.865

 XRF

 * Pb 0.0000 ± 0.0226 0.0000 ± 0.0090 0.0000 ± 0.0032

 * - Concentration is less than three times the uncertainty 

A-13
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1075

 Filter ID: P8016268

 Site: Res

 Sample Date:

Filter Lot #: 

3/29/09

8070002

 Volume: 6.960 +- 0.696 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 299. ± 10. 42.96 ± 4.530

 XRF

 Pb 0.1921 ± 0.0294 0.0642 ± 0.0101 0.0276 ± 0.0050

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1076

 Filter ID: P8016269

 Site: Res

 Sample Date:

Filter Lot #: 

3/29/09

8070002

 Volume: 6.930 +- 0.693 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 296. ± 10. 42.71 ± 4.508

 XRF

 Pb 0.2531 ± 0.0328 0.0855 ± 0.0114 0.0365 ± 0.0060

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1077

 Filter ID: P8016270

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/30/09

8070002

 Volume: 7.050 +- 0.705 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 468. ± 10. 66.38 ± 6.788

 XRF

 Pb 0.2237 ± 0.0305 0.0478 ± 0.0066 0.0317 ± 0.0054

 * - Concentration is less than three times the uncertainty 

A-14
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1078

 Filter ID: P8016271

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/30/09

8070002

 Volume: 4.080 +- 0.408 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 260. ± 10. 63.73 ± 6.828

 XRF

 Pb 0.1819 ± 0.0305 0.0700 ± 0.0120 0.0446 ± 0.0087

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1079

 Filter ID: P8016272

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/30/09

8070002

 Volume: 7.050 +- 0.705 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 495. ± 10. 70.21 ± 7.163

 XRF

 Pb 0.1797 ± 0.0305 0.0363 ± 0.0062 0.0255 ± 0.0050

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-T1080

 Filter ID: P8016273

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/30/09

8070002

 Volume: 6.950 +- 0.695 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 483. ± 10. 69.50 ± 7.097

 XRF

 Pb 0.1774 ± 0.0305 0.0367 ± 0.0064 0.0255 ± 0.0051

 * - Concentration is less than three times the uncertainty 

A-15
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-T1081

 Filter ID: P8016274

 Site: E.Tarmac

 Sample Date:

Filter Lot #: 

3/30/09

8070002

 Volume: 7.020 +- 0.702 m3

 Deposit Area: 11.3 cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass 472. ± 10. 67.24 ± 6.873

 XRF

 Pb 0.2373 ± 0.0316 0.0503 ± 0.0068 0.0338 ± 0.0056

 * - Concentration is less than three times the uncertainty 

A-16
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 

Site: 

09-Q46

E.Tarmac

 Sample Date:

Filter Lot #: 

3/12/09

J11374894

 Volume: 1430. +- 143.0 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass55,400. ± 500. 38.74 ± 3.890

 XRF

 Pb 35.24 ± 4.101 0.0636 ± 0.0074 0.0246 ± 0.0038

 * - Concentration is less than three times the uncertainty

 Lab ID: 

Site: 

09-Q47

E.Tarmac

 Sample Date:

Filter Lot #: 

3/13/09

J11374894

 Volume: 1786. +- 178.6 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass90,900. ± 500. 50.90 ± 5.097

 XRF

 Pb 81.48 ± 5.481 0.0896 ± 0.0060 0.0456 ± 0.0055

 * - Concentration is less than three times the uncertainty

 Lab ID: 

Site: 

09-Q48

E.Tarmac

 Sample Date:

Filter Lot #: 

3/14/09

J11374894

 Volume: 1712. +- 171.2 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass73,500. ± 500. 42.93 ± 4.303

 XRF

 Pb 90.05 ± 5.846 0.1225 ± 0.0080 0.0526 ± 0.0063

 * - Concentration is less than three times the uncertainty

 Lab ID: 

Site: 

09-Q49

E.Tarmac

 Sample Date:

Filter Lot #: 

3/15/09

J11374894

 Volume: 1730. +- 173.0 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass68,900. ± 500. 39.83 ± 3.993

 XRF

 Pb 132.8 ± 7.795 0.1927 ± 0.0114 0.0767 ± 0.0089

 * - Concentration is less than three times the uncertainty 

A-17
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 09-Q50

Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: Field Blank

 Analyte μg/filter percent

 Gravimetry

Net Mass 1,500. ± 500.

 XRF

 * Pb 4.385 ± 2.923 0.2923 ± 0.2179

 * - Concentration is less than three times the uncertainty

 Lab ID: 

Site: 

09-Q51

E.Tarmac

 Sample Date:

Filter Lot #: 

3/28/09

J11374894

 Volume: 1812. +- 181.2 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass129,800 ± 500. 71.63 ± 7.169

 XRF

 Pb 150.0 ± 8.607 0.1155 ± 0.0066 0.0828 ± 0.0095

 * - Concentration is less than three times the uncertainty

 Lab ID: 

Site: 

09-Q52

E.Tarmac

 Sample Date:

Filter Lot #: 

3/29/09

J11374894

 Volume: 1713. +- 171.3 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass91,200. ± 500. 53.24 ± 5.332

 XRF

 Pb 67.27 ± 4.953 0.0738 ± 0.0054 0.0393 ± 0.0049

 * - Concentration is less than three times the uncertainty

 Lab ID: 

Site: 

09-Q53

E.Tarmac

 Sample Date:

Filter Lot #: 

3/30/09

J11374894

 Volume: 1791. +- 179.1 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass82,600. ± 500. 46.12 ± 4.620

 XRF

 Pb 126.4 ± 7.470 0.1531 ± 0.0091 0.0706 ± 0.0082

 * - Concentration is less than three times the uncertainty 

A-18
 Client: T011 - T&B Systems

Report Number: 09-093

=======================================================================

 Lab ID: 

Site: 

09-Q54

E.Tarmac

 Sample Date:

Filter Lot #: 

3/31/09

J11374894

 Volume: 1693. +- 169.3 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 Gravimetry

Net Mass140,300 ± 500. 82.87 ± 8.292

 XRF

 Pb 74.22 ± 5.278 0.0529 ± 0.0038 0.0438 ± 0.0054

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q55

Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: Field Blank

 Analyte μg/filter percent

 Gravimetry

Net Mass 1,300. ± 500.

 XRF

 * Pb 0.0000 ± 3.126 0.0000 ± 0.2405

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q56

Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: never loaded; never run

 Analyte μg/filter

 Gravimetry

Net Mass 0. ± 500.

 XRF

 * Pb 1.056 ± 3.329

 * - Concentration is less than three times the uncertainty 

A-19
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A-25
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RAW DATA 

Available upon request 

A-30
A-31
A-32
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q539

 Site: Tarmac

 Sample Date: 7/25/09

 Filter Lot #: J11374894

 Volume: 1789. +- 178.9 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 83,200. ± 500. 46.51 ± 4.659

 XRF

 Pb 68.61 ± 4.628 0.0825 ± 0.0056 0.0384 ± 0.0046

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q540

 Site: Shed

 Sample Date: 7/25/09

 Filter Lot #: J11374894

 Volume: 1868. +- 186.8 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 80,600. ± 500. 43.15 ± 4.323

 XRF

 * Pb 2.801 ± 2.639 0.0035 ± 0.0033 0.0015 ± 0.0014

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q541

 Site: Res 1

 Sample Date: 7/25/09

 Filter Lot #: J11374894

 Volume: 1808. +- 180.8 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 80,800. ± 500. 44.69 ± 4.478

 XRF

 Pb 80.31 ± 5.156 0.0994 ± 0.0064 0.0444 ± 0.0053

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-33
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q542

 Site: Res2

 Sample Date: 7/25/09

 Filter Lot #: J11374894

 Volume: 1422. +- 142.2 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 69,300. ± 500. 48.73 ± 4.886

 XRF

 Pb 42.06 ± 3.532 0.0607 ± 0.0051 0.0296 ± 0.0039

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q543

 Site: Tarmac

 Sample Date: 7/26/09

 Filter Lot #: J11374894

 Volume: 1695. +- 169.5 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 68,300. ± 500. 40.30 ± 4.040

 XRF

 Pb 97.76 ± 5.887 0.1431 ± 0.0087 0.0577 ± 0.0067

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q544

 Site: Shed

 Sample Date: 7/26/09

 Filter Lot #: J11374894

 Volume: 1737. +- 173.7 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 56,400. ± 500. 32.47 ± 3.260

 XRF

 * Pb 6.212 ± 2.639 0.0110 ± 0.0047 0.0036 ± 0.0016

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-34
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q545

 Site: Res 1

 Sample Date: 7/26/09

 Filter Lot #: J11374894

 Volume: 1164. +- 116.4 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 54,200. ± 500. 46.56 ± 4.676

 XRF

 Pb 92.08 ± 5.684 0.1699 ± 0.0106 0.0791 ± 0.0093

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q546

 Site: Res2

 Sample Date: 7/26/09

 Filter Lot #: J11374894

 Volume: 1118. +- 111.8 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 52,700. ± 500. 47.14 ± 4.735

 XRF

 Pb 50.02 ± 3.898 0.0949 ± 0.0075 0.0447 ± 0.0057

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q547

 Site: Tarmac

 Sample Date: 7/27/09

 Filter Lot #: J11374894

 Volume: 1696. +- 169.6 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 57,500. ± 500. 33.90 ± 3.403

 XRF

 Pb 90.13 ± 5.603 0.1568 ± 0.0098 0.0531 ± 0.0063

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-35
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q548

 Site: Shed

 Sample Date: 7/27/09

 Filter Lot #: J11374894

 Volume: 1790. +- 179.0 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 54,100. ± 500. 30.22 ± 3.035

 XRF

 * Pb 6.334 ± 2.801 0.0117 ± 0.0052 0.0035 ± 0.0016

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q549

 Site: Res 1

 Sample Date: 7/27/09

 Filter Lot #: J11374894

 Volume: 1194. +- 119.4 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 49,600. ± 500. 41.54 ± 4.175

 XRF

 Pb 62.00 ± 4.425 0.1250 ± 0.0090 0.0519 ± 0.0064

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q550

 Site: Res2

 Sample Date: 7/27/09

 Filter Lot #: J11374894

 Volume: 1178. +- 117.8 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 48,300. ± 500. 41.00 ± 4.122

 XRF

 Pb 38.12 ± 3.613 0.0789 ± 0.0075 0.0324 ± 0.0045

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-36
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q551

 Site: Tarmac

 Sample Date: 7/28/09

 Filter Lot #: J11374894

 Volume: 1793. +- 179.3 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 86,800. ± 500. 48.41 ± 4.849

 XRF

 Pb 111.4 ± 6.496 0.1284 ± 0.0075 0.0622 ± 0.0072

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q552

 Site: Shed

 Sample Date: 7/28/09

 Filter Lot #: J11374894

 Volume: 1757. +- 175.7 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 75,000. ± 500. 42.69 ± 4.278

 XRF

 * Pb 6.212 ± 2.517 0.0083 ± 0.0034 0.0035 ± 0.0015

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q553

 Site: Res 1

 Sample Date: 7/28/09

 Filter Lot #: J11374894

 Volume: 1246. +- 124.6 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 139,000 ± 500. 111.6 ± 11.16

 XRF

 Pb 94.31 ± 5.806 0.0679 ± 0.0042 0.0757 ± 0.0089

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-37
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q554

 Site: Res2

 Sample Date: 7/28/09

 Filter Lot #: J11374894

 Volume: 69.23 +- 6.923 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 25,800. ± 500. 372.7 ± 37.96

 XRF

 * Pb 3.492 ± 2.761 0.0135 ± 0.0107 0.0504 ± 0.0402

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q555

 Site: Tarmac

 Sample Date: 7/29/09

 Filter Lot #: J11374894

 Volume: 1707. +- 170.7 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 65,100. ± 500. 38.14 ± 3.825

 XRF

 Pb 94.11 ± 5.806 0.1446 ± 0.0090 0.0551 ± 0.0065

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q556

 Site: Shed

 Sample Date: 7/29/09

 Filter Lot #: J11374894

 Volume: 1814. +- 181.4 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 62,600. ± 500. 34.51 ± 3.462

 XRF

 Pb 11.21 ± 2.964 0.0179 ± 0.0047 0.0062 ± 0.0017

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-38
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q557

 Site: Res 1

 Sample Date: 7/29/09

 Filter Lot #: J11374894

 Volume: 1830. +- 183.0 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 70,500. ± 500. 38.52 ± 3.862

 XRF

 Pb 58.63 ± 4.304 0.0832 ± 0.0061 0.0320 ± 0.0040

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q558

 Site: Res2

 Sample Date: 7/29/09

 Filter Lot #: J11374894

 Volume: 1837. +- 183.7 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 80,100. ± 500. 43.60 ± 4.369

 XRF

 Pb 41.25 ± 3.816 0.0515 ± 0.0048 0.0225 ± 0.0031

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q559

 Site: Tarmac

 Sample Date: 7/30/09

 Filter Lot #: J11374894

 Volume: 1738. +- 173.8 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 68,200. ± 500. 39.24 ± 3.935

 XRF

 Pb 58.67 ± 4.425 0.0860 ± 0.0065 0.0338 ± 0.0042

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-39
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q560

 Site: Shed

 Sample Date: 7/30/09

 Filter Lot #: J11374894

 Volume: 1787. +- 178.7 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 62,500. ± 500. 34.97 ± 3.509

 XRF

 * Pb 0.7308 ± 2.558 0.0012 ± 0.0041 0.0004 ± 0.0014

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q561

 Site: Res 1

 Sample Date: 7/30/09

 Filter Lot #: J11374894

 Volume: 1822. +- 182.2 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 70,100. ± 500. 38.47 ± 3.857

 XRF

 Pb 49.04 ± 4.019 0.0700 ± 0.0058 0.0269 ± 0.0035

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q562

 Site: Res2

 Sample Date: 7/30/09

 Filter Lot #: J11374894

 Volume: 1245. +- 124.5 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 49,600. ± 500. 39.84 ± 4.004

 XRF

 Pb 45.27 ± 3.776 0.0913 ± 0.0077 0.0364 ± 0.0047

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-40
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q563

 Site: Tarmac

 Sample Date: 7/31/09

 Filter Lot #: J11374894

 Volume: 1810. +- 181.0 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 69,600. ± 500. 38.45 ± 3.855

 XRF

 Pb 82.01 ± 5.319 0.1178 ± 0.0077 0.0453 ± 0.0054

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q564

 Site: Shed

 Sample Date: 7/31/09

 Filter Lot #: J11374894

 Volume: 1828. +- 182.8 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 61,600. ± 500. 33.70 ± 3.381

 XRF

 * Pb 6.090 ± 2.883 0.0099 ± 0.0047 0.0033 ± 0.0016

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q565

 Site: Res 1

 Sample Date: 7/31/09

 Filter Lot #: J11374894

 Volume: 1897. +- 189.7 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 69,700. ± 500. 36.74 ± 3.684

 XRF

 Pb 73.73 ± 4.913 0.1058 ± 0.0071 0.0389 ± 0.0047

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-41
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q566

 Site: Res2

 Sample Date: 7/31/09

 Filter Lot #: J11374894

 Volume: 1265. +- 126.5 m3

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Analyte μg/filter percent μg/m3

 

 Gravimetry

 Net Mass 54,400. ± 500. 43.00 ± 4.319

 XRF

 Pb 53.02 ± 4.101 0.0975 ± 0.0076 0.0419 ± 0.0053

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q567

 Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: Never loaded; never run

 Analyte μg/filter percent

 

 Gravimetry

 Net Mass 600. ± 500.

 XRF

 * Pb 1.421 ± 2.680 0.2368 ± 0.4883

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q568

 Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: Never loaded; never run

 Analyte μg/filter percent

 

 Gravimetry

 Net Mass 1,100. ± 500.

 XRF

 * Pb 5.075 ± 2.517 0.4614 ± 0.3104

 

 * - Concentration is less than three times the uncertainty

 Lab ID: 09-Q569

 Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: Never loaded; never run

 Analyte μg/filter percent

 

 Gravimetry

 Net Mass 800. ± 500.

 XRF

 * Pb 0.0000 ± 2.639 0.0000 ± 0.3299

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

A-42
 Client: T011 - T&B Systems

 Report Number: 09-235

 ═══════════════════════════════════════════════════════════════════════

 Lab ID: 09-Q570

 Filter Lot #: J11374894

 Deposit Area: 406. cm2

 Size Fraction: TSP

 Comments: Field blank

 Analyte μg/filter percent

 

 Gravimetry

 Net Mass 1,300. ± 500.

 XRF

 * Pb 4.019 ± 2.883 0.3092 ± 0.2516

 

 * - Concentration is less than three times the uncertainty

 Analysis performed by: CHESTER LabNet

 12242 SW Garden Place ♦ Tigard, OR 97223 ♦ (503) 624-2183 ♦ www.chesterlab.net

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