NYC-WTC_000209422

NYC 9/11 Public Portal Document

WTC Indoor Air/Envlronments Monitoring - •. impling and Analytical Procedures For Background and Pilot Clean up Studies

Analytical Description Analytical Method Proposed Media Sampling Points Sampling Mb Parameters CT I ! micro vacuuming mefood. Three collocated samples will AS TM13 6755-95 £I SetUed Dust Carpets, fabric furniture or Asbestos ASTM D 5755-35 be collected Irom each lecation. (U Porous Soft iJrapery Bl areas of activity O Q surfaces (fivHig rooms, (amSly rooms] -re vacuuming method. Three collocated samples wiJ SW-B46 6010B ru Lead ASTM E 1973-96 ^ba collected from each location.

Wipe Samples ASTM [7 6480-99 (wipe} Asbestos ASTM 0 6480-99 K Wipe Samples &W-8486DtQG Lead HUD Appendix 13.1 Horizontal surfaces of Wipe Samples ASTM 66614)1 /SW-B46 8290 ASTM D 6661-01

s5 Saflled Oust Dimins tables or cxjunters and bare------- Non-porous Wipe Samples ASTM 6661 -OlfSW-846 62700 floois, ceiPngs and walls in PAHs ASTM 066614)1 Hard areas of acfivity diving Wipe Sample collected at one location per unit. No Formal Metiwd (NIOSH 7500 Modified} surfaces Total Dust HUD Appendix 131“ c rooms, family rooms) (JI Saica, calcite, Wipe Samples. All parainaters will be collected on one wipe. NIOSH 7500 (XRD) HUDAppandix 13.1“ m gypsum u I) MMVF ASTM 06480-99 Samples will be combined with the asbestos sampGng. EMSL MSO.0300 rri Air pump operated al lOUmln for 8 hours fo achieve foe COPC PCM NIOSH 7460 followed by TEM AHERA CT Asbestos NIOSH 7400 wkgroup detdcSon Until method. Cl Air pump Operated at 10Omin for 8 hours to achieve the COPC Lead NIOSH 7300 SW-846 60103 [■J wkgroup detection limit

PAHs NIOSH 5515 Air pump operated at 2Umin for 8 hours. Pilot Clean-up study only SW-846 827O'(Analytlcal melhod with be’ ’ ’ modified to achieve Die COPC wkgroup deiectiof so for worst case scenarios. Areas of known acUvity limit Indoor Air (living rooms, family rooms’ Air pump operated at 26L/rnin for 35 hours. This modification is not CfiDxIns TO-9 (Modified (or indoor air) a proven method. To be conducted during the Pilot Claan-op study SW-646 8290 only for worst case scenarios. O Silica, calcite, Air pump operaled al 2.5Umin for 8 hours Io achieve foe COPC NIOSH 7500 NIOSH 7500 (XRD) gypsum wkgroup defection limits

MMVF Assumed ihat it behaves foe same as asbestos, samples will be NIOSH 7400 EMSL MSD.0300 combined with foe asbestos sampling. Bulk samples will be coiiected from H VAC or AC window type unit Asbestos fiuB: Sample PLM NYS 198.1 followed by •Xi filters, shaken into a plastic bag and transferred info foe sample TEM NYS 190.4 o ___________ container.

H (If foe volume required Is not attainabte for ait analysis, foe sample Lead BulJt Sample SW-846 6010B will be analyzed for asbestos only. 'XI HVAC systems and AC units (collection of bulk dust [If (he volume required Is not attainable for all analysis, the sample — K s o Bulk Dust sample ftom Ilie unit ar filters). Background study only. PAHs

Dioxins Bulk Sample

Bulk Sample will be analyzed for asbestos only. (if the volume required is not attainable for ell analysis, foe sample SW-846 8270

SW-846 8290 ... . . £ o will be analyzed for asbestos only. ■D I o Silica, calciTe, (If Iha volume required is not attamable for aS analysis, foe sample o Bulk Sample NIOSH 7500 (XRD) t\0 gypsum will be analyzed for asbestos only. co (If Iha volume required Is not attainabte for all analysis, foe sample MMVF Bulk Sample PLM NYS 198.1/EMSL MSD.0300 will be analyzed for asbestos only. CaJ

NOTE: “ Wipe samples for sIBca. caldle and gypsum wiB be collected usiiyj I'i.? HUD Appendix 13.1 method since no standardized metbod is available.

NYC-WTC_000209422