1 Lead-In-Floor-Dust USEPA Standard 40 Μg/Ft2; 2 Lead-In-Sill-Dust USEPA Standard 250 Μg/Ft2;

Additional File 2. Phase II results. Colorimetric water testing from phase I was discontinued because of a lack of consensus about results accuracy. Data show home 2010 with very high lead levels. Home 2030 data may suggest indoor sources of mold (indoor/outdoor

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e e l l 2 2 d d d d d d a a a a a a a a a ) m t s p p o o c c c c c c c c a c a a a a a o o m M M a a a a i o o o o e o o o e e o e e e o n H d t b m l m l l l l l l l l l l l l l l t t P P 200 2/01/0 2. 17 H 1/ L 36. 1. 0 8 9:30 3 150 KT 0 W 6 LR < R < BR < KT < LR < BR 17 KT 7 7 9 8 201 2/01/0 16:4 0. H 1/ L H 150 21 45. D < 0 8 5 6 30 W 30 EN 6 BR < R < BR < W 00 LR 00 BR 0 R 1.1 1 3 4 202 2/06/0 18:5 n/ 36 0/ n/ n/ 0 8 0 a 120 KT 0 EN 6 a < LR < BR < KT < LR < BR n/a a - - 5 6 203 3/03/0 10:3 n/ 14 W 5/ 9. 27. 13. 0 8 0 a 10 LR 36 W 6 * 8 LR < BR 0 KT 19.0 LR < BR 0 KT 2.7 1 59 72 204 3/03/0 14:5 0. W 1/ n/ 21. n/ < 0 8 0 1 350 LR 36 W 6 BR < LR < KT n/a a 18.0 LR 0 BA n/a a <1 1 9 9 205 3/19/0 15:3 n/ 1/ D D < 0 8 0 a 30 LR 10 PO 6 KT < R < KT 0* BR < R < KT < BR 15 1 7 7 1 lead-in-floor-dust USEPA standard ≤ 40 µg/ft2; 2 lead-in-sill-dust USEPA standard ≤ 250 µg/ft2; 3 30-minute mean. Key: LR - living room, BR - bedroom, DR - dining room, KT - kitchen, w.sill - window sill, HW - hallway, EN - entrance, PO - porch, WW - walkway, BA – bathroom; *KT wall, office baseboard, BR mirror, BA wall, HW wall next to BR; < below detection limit; - resident did not take sample.