Quality Assurance Project Plan Including Sampling And Analysis Plan (Page 31 of 67) in pdf

Hunters Point Shipyard Parcel F ESTCP Demonstration Plan

Appendix A: Quality Assurance Project Plan

A.3.2.2.7 Equipment Decontamination

Throughout sample collection activities, care will be taken to avoid sample contamination. This will be

accomplished through rigorous decontamination procedures and careful sample handling procedures

(Section A.3.3).

•

To the extent possible, non-contaminating materials (glass, stainless steel, Teflon™) will be

used for sample collection.

•

Sampling equipment will be cleaned prior to use and between samples.

•

All sources of contamination (airborne sources, fingers, unclean equipment) should be

avoided.

To avoid cross-contamination in core samples collected for TOC and PCB analysis, a separate pre-

cleaned core liner will be used to collect and contain each sample. The core sample will be capped at both

ends to seal in the sediment, which will not be removed from the liner until it is opened for processing

under controlled laboratory conditions (described in Section A.3.3.3.4).

A.3.2.2.8 Management and Disposal of Investigation-Derived Waste

Field sampling and sample preparation activities will be conducted such as to minimize generation of

waste materials. In the field, sediment and rinse water from sampling equipment will be washed back to

Parcel F. Solvent waste will not be generated in the field. All solid waste (gloves, paper towels, etc.) will

be bagged or otherwise contained prior to disposal in standard refuse containers (dumpsters). In the

laboratory, solvent waste will be contained in appropriately labeled containers and disposed of in

compliance with state and federal waste handling regulations. Solid waste and wastewater generated

during sample preparation of sediment samples at each laboratory will be managed in compliance with

the organization’s requirements. Sediment analytical results can be used to characterize the waste, iden-

tify the waste stream, and determine whether or not excess sediment requires management as hazardous

waste. Excess sediment and archived sediment samples will be held as long as they are analytically viable

(up to one year); when the samples are no longer of use to the project they will be handled as waste.

A.3.3

Sample Processing, Handling, and Custody

A.3.3.1 Sample Processing

Minimal sample processing will be conducted in the field. Sample processing will be conducted at

facilities that have the appropriate clean laboratory space, experienced staff, secure sample storage,

decontamination facilities, and shipping/receiving service for processing and subsampling cores.

All other samples will be processed at the laboratory that will perform the analysis. Table A-6 defines the

container types, sample volumes, preservation methods, laboratory addresses and contacts, and holding

times.

A.3.3.2

Field Sample Containers and Labeling

Sample containers will be labeled with waterproof, adhesive-back labels. Sample labels must provide

sufficient detail to uniquely identify each sediment sample and allow tracking to field activities. Sample

identification numbers will be in the format:

Page A-

of A-67

Quality Assurance Project Plan Including Sampling And Analysis Plan Page 31

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