CHAPTER SEVEN

SAMPLING AND ANALYSIS

Federal regulations at   270.14(c)(5), 270.14(c)(6)(iv), and 270.14(c)(7)(vi) require, as

part of the permit application, both a written description of the ground water monitoring

program proposed to meet the requirements of  264.97 and a description of the proposed

sampling, analysis, and statistical comparison procedures proposed for evaluating ground 

water monitoring data. In addition,   264.97(d) and 264.97(e) outline minimum procedures

and techniques for ground water monitoring programs implemented pursuant to 40 CFR Part

264 Subpart F. These regulations require that ground water monitoring programs include

measurement, sampling, and analytical methods that accurately assess ground water quality,

and that provide early detection of hazardous constituents released to ground water.

Measurement, sampling, and analytical methods that are part of the ground water monitoring

program should be documented in the operating record and should include quality assurance

and quality control procedures. These procedures are reviewed and revised by the regulatory

agency, referenced in the permit (pursuant to  264.97), and included in the Quality Assurance

Project Plan (QAPjP), as recommended in Chapter One of SW 846.

All procedures and techniques used for site characterization, ground water monitoring

well installation and development, sample collection, sample preservation and shipment,

analytical procedures, chain of custody control, and implementing other monitoring programs

(e.g., vadose zone monitoring and monitoring of springs in karst terranes) should be specified

in a QAPjP and should conform with Chapter One of SW 846. The owner/operator and field

personnel should follow the QAPjP while performing the site characterization, installing and

developing monitoring wells, and collecting and analyzing ground water samples. A proposed

schedule, including dates anticipated for project initiation, project milestones, schedule of

monitoring activities, and dates anticipated for completion of project, should be provided in

the QAPjP. A milestone table or a bar chart consisting of project tasks and time lines is

appropriate for inclusion in the QAPjP.

Section 7.1 describes important elements of QAPjPs. Sections 7.2 through 7.9 discuss

each element in greater detail.

7.1

Elements of the Quality Assurance Project Plan

The QAPjP proposed by the owner/operator in the permit application should address

the elements described in Chapter One of SW 846. At a minimum, the QAPjP should

address:

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