An active air sampler was used to trap polyaromatic hydrocarbons (PAHS) in the air above the sea area with massive oil spill. Air was pumped through an activated charcoal adsorbent material at a flow rate of 10 L per min for 12 hrs. The PAHs were then eluted out of the adsorbent material using 10 mL hexane. The eluate was analyzed by GC-MS. Anthracene was one of the PAHs detected and was found to be present at a concentration of 81.1 µg/mL. Determine the concentration of anthracene in the air above the oil spill. Report your answer in mg/m³.

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An active air sampler was used to trap polyaromatic hydrocarbons (PAHs) in the air
above the sea area with massive oil spill. Air was pumped through an activated charcoal
adsorbent material at a flow rate of 10 L per min for 12 hrs. The PAHs were then eluted
out of the adsorbent material using 10 mL hexane. The eluate was analyzed by GC-MS.
Anthracene was one of the PAHs detected and was found to be present at a
concentration of 81.1 µg/mL. Determine the concentration of anthracene in the air
above the oil spill. Report your answer in mg/m³.
Transcribed Image Text:An active air sampler was used to trap polyaromatic hydrocarbons (PAHs) in the air above the sea area with massive oil spill. Air was pumped through an activated charcoal adsorbent material at a flow rate of 10 L per min for 12 hrs. The PAHs were then eluted out of the adsorbent material using 10 mL hexane. The eluate was analyzed by GC-MS. Anthracene was one of the PAHs detected and was found to be present at a concentration of 81.1 µg/mL. Determine the concentration of anthracene in the air above the oil spill. Report your answer in mg/m³.
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