This method is for the determination of pentachlorophenol. The sample is collected on a mixed cellulose ester membrane filter followed by a bubbler containing ethylene glycol. The sample is extracted with 10mL methanol followed by HPLC analysis with ultraviolet detection. The working range is 0.13 to 11 mg/m³ for a 180-L air sample. This method is also applicable to STEL (short term exposure limit) measurements using a 15-L sample. The method has been used to sample for pentachlorophenol in the presence of 2,3,4,6-tetrachlorophenol at a lumber yard. Note: This revises Method S297.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 8 days. |
| Preservatives: | Store at room temperature. |
| Required Preps: | Mixed cellulose ester filter with stainless backup screen; bubbler containing ethylene glycol. |
| Collection Method: | Mixed cellulose ester filter with bubbler: 48L - 480L @ 0.5 - 1L/min. |
| Analytical Methodology: | HPLC/UV |
| Documentation: | 
5512
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Pentachlorophenol | C6HCl5O |
87-86-5 |
8 |
µg |
* 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.