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Site-Specific Health and Safety Plan (HASP) - Laschools.org

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SECTION 8<br />

LABORATORY DATA REVIEW, REDUCTION, AND REPORTING<br />

The following sections describe the project minimum requirements for laboratory data<br />

review, reduction, <strong>and</strong> reporting. The laboratory through its QAP <strong>and</strong> SOPs shall specify<br />

the personnel performing each function.<br />

Level IV documentation is to be provided for all data (see Section 14).<br />

If multiple dilutions are performed, the results of each dilution are to be reported.<br />

8.1 REVIEW PROCEDURES FOR DEFINITIVE DATA<br />

The laboratory review of definitive data shall be a four-step process involving an<br />

evaluation by the analyst, a peer review, an administrative review, <strong>and</strong> a QA review. A<br />

checklist to document each of the review processes will be required <strong>and</strong> must be included<br />

as part of the final data deliverable. All steps are described below.<br />

The analyst shall review 100 percent of all definitive data prior to reporting. The<br />

establishment of method detection <strong>and</strong> control limits shall be verified. Any control limit<br />

outside the acceptable ranges specified in the analytical methods shall be identified. Any<br />

trends or problems with the data shall be evaluated. The absence of records supporting<br />

the establishment of control criteria or detection limits shall be noted <strong>and</strong> explained.<br />

Analytical batch QC, calibration check samples, initial <strong>and</strong> continuing calibrations,<br />

corrective action reports, the results of reanalysis, sample holding times, <strong>and</strong> sample<br />

preservations shall be evaluated.<br />

Samples associated with out-of-control QC data shall be identified in the data package<br />

case narrative, <strong>and</strong> an assessment of the utility of such analytical results shall be made.<br />

The check of laboratory data completeness must be documented <strong>and</strong> will ensure that:<br />

• All samples <strong>and</strong> analyses specified in the chain-of-custody have been processed;<br />

• Complete records exist for each analysis <strong>and</strong> the associated QC samples; <strong>and</strong><br />

• Procedures specified in this QAPP have been implemented.<br />

An analyst other than the original data processor shall be responsible for performing a<br />

peer review of all steps of the data processing. One hundred percent of all data shall be<br />

reviewed. All input parameters, calibrations, <strong>and</strong> transcriptions will be checked. All<br />

manually input, computer-processed data will be checked. Each page of checked data<br />

shall be signed <strong>and</strong> dated by the verifier.<br />

8-1<br />

K:\Depts\Dept48\LAUSD\MSA WORK\QAPP\Draft Final QAPP to DTSC\QAPP for OU 1 RAP.DOC<br />

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