This method is for the determination of kepone. The sample is collected on mixed cellulose ester membrane filters connected to an impinger containing 15mL of 0.1M NaOH. The sample is recovered from the filter with 99:1 benzene:methanol, 10 mL and allowed to stand for 2 hours; sample is recovered from impinger with two 5-mL portions of benzene @ pH <7 followed by GC analysis with electrolytic conductivity detection. The working range is 0.001 to 25 mg/m³ for 50-L air samples. Personal and area samples were collected by this method at a Mirex formulation plant. Note: This method was originally designated P&CAM 225.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 12 days. |
| Preservatives: | Store at room temperature. |
| Required Preps: | Mixed cellulose ester membrane filter with impinger containing 0.1M NaOH. |
| Collection Method: | Mixed cellulose ester membrane filter and impinger: 50L - 600L @ 0.5L - 1L/min. |
| Analytical Methodology: | GC/ECD |
| Documentation: | 
5508
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Kepone | C10Cl10O |
143-50-0 |
10 |
ng |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.