They do not constitute rulemaking by the Agency and may not be relied on to create a substantive or procedural rightenforceable by any other person. The Government may take action that is at variance with the ceiterion in this manual. The term "level" is perhaps misleading because it implies succession, which is not the case with this or any other leyeipresented in this document. Should the intended data use dictate review by the protocols presented in the National Functional Guidelines for Data Review IM-2 and M- 3 refer to the most recent version of Region m Modifications to the National Functional Guidelines. The remaining data review levds are described in detail in this document.
In general, organic Levd M-l's emphasis is on reviewing positive detected data. The primary question asked is whether or not a compound is present. If it is, the next question addressed is whether the compound is potentially from fidd or laboratory-induced contamination. If the answer is negative, thai the presence of the compound is considered confirmed, and the reported concentrations are considered usable for some predefined data uses. If information regarding data quality and usability is required, thai the emphasis is shifted accordingly to an evaluation of data qiuriity parameters, false negatives, and detection limits Level M-2 or IM There is a definite focus at every step of the process.
This allows for a clear differentiation in the levels of data validation. For guidance purposes, general data use categories and suggested levels of review are provided in Table However, it is important to note that the selected levd of review will be specific to the intended data use and specific project objectives. Purpose and Applicability Purpose and Applicability 1 2. Quality Control Measures Checked. Procedure V Action Level Notification. Quality Control Measures Checked click 3. Purpose and Applicability. Validation of Analyte Data Level Ml 1.
Purpose andAppUrability. Quattty Control Measures Checked CCS contract compliance screwing! Calibration Curve A plot of absoibance versus concentration of standards. Case A finite, collected over a given time period for a particular site. A Case consists of oneor more Sample Delivery Group s. Data validated using this procedure are. Procedure The following subsections describe for each of the QC indicators the acceptance criteria, location and retrieval of QC data, evaluation of the QC data, actions taken in the event the QC acceptance criteria are exceeded, and documentation of the QC violations in a standardized report form.
Validation of the folllowing of the data may then be completed normally. Any special instructions from the Hazardous Waste Division should be followed.
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Records should be kept of the data review, action level notification and any follow-up instructions and actions. Hie location of the data and their retrieval procedures are also discussed below. Following the identification of the contaminants exceeding the action levels, focused data validation should be performed using the criteria, and procedures described in the appropriate sections below.
The findings of the focused validation can be summarized in a memorandum, and the data qualifiers resulting from focused validation may be written on the Form I's, The marked up forms should be clarified that they represent validation of only the contaminants exceeding the action levels, and not all data. Mass spectra are then necessary for each of the detected compounds in a sample. The required mass spectra include both the sample spectra as well as the standard spectra.
With respect to the blanks, it may be beneficial to evaluate the blanks before the sample mass spectra are evaluated.]
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