| This method requires only a few millilitres of the liquid impinger sample and readily distinguishes between fluoride, bromide and chloride ions. |
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| Wipe the excess moisture from the outside of these impingers and weigh each impinger. |
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| Using a rubber policeman if necessary, transfer the silica gel from the fifth impinger to a container, and seal. |
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| Disconnect the probe and transport the impinger train to a clean area for sample recovery. |
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| The impinger solution is added to the same digestion vessel as the EP tube product and subjected to microwave digestion. |
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| A windscreen helper stood upwind at all times, but we were unable to sample him since one impinger was not working. |
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| Rinse the first impinger with the contents of the second impinger and transfer the rinse into the flask. |
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| The pump is connected to the outlet of the last impinger by a vacuum line containing a gauge to measure the pump intake vacuum to within 0.5 in. |
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| Place 200 g or silica gel in the fourth impinger to protect the pump and the dry test meter. |
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| Transport the impinger train to the analytical laboratory taking all practical precautions to avoid sample contamination or loss. |
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| Method 202, also referred to as the dry impinger method, condenses materials that may have passed through the filter in ice cooled impingers. |
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| Leave the third impinger empty to buffer against acid or water carry over. |
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| Leak check the system by plugging the inlet to the first impinger, turning on the pump and observing the dry gas meter for any movement of the dial. |
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| The moisture content of the gas leaving the final impinger is taken into consideration by assuming that the gas stream is saturated at the average impinger outlet temperature. |
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| This rinse may be added to either the first or second impinger. |
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| The second impinger has the standard tip and impaction plate. |
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| The sprayer's exposure level may have been slightly underestimated as the impinger stem came out of the absorbing solution for a short period of time. |
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| In Oregon, the condensed hydrocarbons found in the impinger train may also be analyzed. |
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| We think of Osmond, the supreme impinger, all the more cruel in his confinement of Isabel's spirit because she gave herself to him, rather than to his rivals, in a defining flourish of her liberation. |
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