Revised WTC cleaning and monitoring scopes of work, June 2002

NYC 9/11 Public Portal Document

of cleaning and concur by initialing the Cleaning Checklist (to be developed) for tasks completed satisfactorily.

9. The Project Monitor shall perform a final visual inspections upon completion of the cleaning. If all areas are not dust free then the Project Monitor will direct the Cleaning Contractor to reclean as necessary. Ifall areas are dustJree then the Project Monitor will authorize final air sampling. Final inspections shall be documented using the Cleaning Checklist.

10. The Project Monitor will conducta post-cleaning inspection ofthe apartment with the resident at the completion ofthe sampling. The resident should inspect the apartment and identify any damage at this time and sign-offon the Project Completion Form. Any damage or loss to an apartment or its contents is to be documented on this form.

11. The Proj ect Monitor will complete a dailyreport which documents cleaning starts, continuations completions, air sampling and any delays or difficulties encountered.

12. EPA will notify residents and owners ofresults ofsampling conducted as part ofthis project. No other party is authorized to release residential or common area sampling results.

13. Copies ofall reports. Cleaning Checklist, Project Completion Forms and chain ofcustody forms shall be submitted daily to the USEPA OSC and DEP.

14. Personal Air Monitoring Personal air monitoring shall be performed by the Monitoring Contractor in accordance with USDOL OSHA requirements. Theperson who conducts sampling shallpossess a valid NYS DOL certificate. Personal air monitoring will be performed on a minimum of one worker per shiftper apartment during for thefirst 4-6 weeks ofcleaning operations. This may be extended based on an determination made by EPA, DEP and OSHA. Thereafter personal air monitoring samples will be taken at one sample per quadrant per day. All samples shall be collected and analyzed in accordance with NIOSHMethod 7400using PCM and TEM analysis. Analysis of these samples shall be the responsibility of the Monitoring Contractor. Results ofanalysis shall be available within 24 hours ofcollection. These results of this sampling shall be sent immediately to EPA, DEP, OSHA and the employer. The employer will make these results available to the employees or their designated representativesfor their review in accordance with 29 CFRl 910.1001 and29 CFR1926.58.

IS. Air Sampling without cleaning

a. Based on consultation with resident or owner, aggressive or modified aggressive air

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