EPA air monitoring chain of custody, Jan 2003

NYC 9/11 Public Portal Document

JAN-31-2003 11:05 P.03x03

n-vczp' guk Asbestos/MMVF fZee % by weight Metals* & Mercury ug/m^ ug/m^ ug/m’ mg/kg Silica, calcite, gypsum N/A mg/m^ mg/m’ % by weight * Report lead as both ug/m’

6) Due to the sensitive nature of this project, all data is to be reported on time. Should data be received beyond the due date the laboratory shall assume the appropriate late charges as agreed between the Contracting Officer and Region 2.

7) Data turnaround times shall be as follows.

Analyte Analysis Fields Collection Method Data Code Background and Residential Turnaround Asbestos* NIOSH 7400 PCM > 5 um Mico vacuuin-ASTM D 24 hours 5755-95, wipc-ATSMD PCMc by TEM asbestos only > S um 6480-99, air-NIOSH 7400, Standard (3 days) and bulk TEMbyAHERA>03uin Dioxins EPA Method SW-846 8290 Wipe ASTM 06661-01 14 days and bulk Total Dust EPA Method SW-846 8290 Wipe HUD Appendix 13.1 14 days

PAH EPA Method SW-846 8270C Wipe ASTlvlD 6661-01, 14 days bulk Metals EPA Method SW-846 6010B Micro-Vacuum ASTM E 14 days 1973-99, Wipe HUD Appendix 13.1, Air NIOSH 7300, and bulk Mercuiy EPA Method SW-846 7471A Wipe HUD Appendix 13.1, 14 days Silica, Calcite, NIOSH 7500 (XRD) Wipe HUD Appendix 13.1, 21 days Gypsum Air NIOSH 7500, and bulk MMVF EMSL MSD.0300 Collected with asbestos, 14 days Micro-Vacuum ASTM D 5755-95, Wipe ATSM D 6480-99, NIOSH 7400 MMVF PLM NYS 198.1/EMSL MSD.0300 Collected with asbestos, 14 days Bulk ‘PCM NIOSH 7400, TEM by AHERA method reporting botp TEM and PCMe. Samples an collected using a 0.^ bm filter pore size. / ;

8) All laboratories analyzing asbestos samples shaH be available seven (7) 's a week to receive and analyze samples requested within 24 hours. Results of these analyses Hwt ------- -■ —— TOTAL P.03

NYC-VVTC_000149348