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Chain of custody documentation and wipe sampling protocols, Oct 2001

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Requirements for monitor review of deliverables and detailed recording of equipment, flow rates, and sample identification numbers.

NYC-WTC_000140379

Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING

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NYC 9/11 Public Portal Document

The Project Monitor shall review all deliverables prior to submission to EPA. The review shall assure that each deliverable is accurate and complete, technically sound, and fi-ee of clerical errors.

The Project monitor shall record equipment used to collect the sample (leaf blower, fan, etc.) and size of space daily in the field notebook. In addition, date, start and completion dates for the cleaning, sample media, flow media type, flow rates (start/final, flow rate (average), time (start/finish). Total elapsed time (min), calculated sample volume (L). pump fault, weather, units, QC samples (lot blank) sampling dates and sample identification numbers sample IDs, complete chain of custody, EPA Project Tracking and laboratory address shall be entered into an agreed upon electronic format or w Se approv^ b^ ithin 24 h' of activity.

20. Pre-cleaning and Post-cleaning Wipe Sampling

a. The Project Monitor will collect pre and ; samples at 5 percent of the residences cleaned up to a maximum o1 units pel Irant as instructed by EP A. This sampling will consist of the collection of 3 pre clean-up and 3 post clean-up wipe samples for dioxin, total metals and mercury (Note: a separate wipe sample is required for each parameter). All wipe samples will be collected in accordance with procedures specified ip HUD Appendix 1.3.1. w Jr [Need to verify that HUD procedure is appropriate for Dioxin]

b. The contractor shall docum^^ll the necessary information regarding sampling A activities, fill out all field Jogs, data sheets, and chain-of-custody forms. The contractor.^baJl use F2L for alHample and chain-of-custody documentation. Samples t^^be labeled and* accompanied with completed chain of custody forms before shipping to the designated laboratory. The label must include the EPA Project Tracking Number. Samples will be packed, sealed and hand-delivered for analysis to EMSL. laboratories at: .307 W. 38* St., New York, New York 212-290-0051. Metals samp yill be analyzed using EPA Method SW-846 601 OB. Mercury * sampleswill pyzed using EPA Method SW-846 7471 A.

Deliverables

The Project Monitor shall review all deliverables prior to submission to EPA. The review shall assure that each deliverable is accurate and complete, technically sound, and free of clerical errors.

The Project Monitor shall complete chain of custody and record the number of wipe samples, record EPA Project Tracking Numbers, laboratory address, date, and sample IDs in an agreed upon electronic format or website approved by EPA within 24 hours of activity.

21. Post Clean-up Air Sampling Procedures

NYC-WTC_000140379

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NYC-WTC_000140379Source: NYC Law Department, mirrored locally

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