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Concentrations of Selected Volatile And Semivolatile Organic Compounds (ppt by volume) in the Air Inside Beehives from Sites in Maryland, USA
| Compound |
Maximum level, ppt |
Mean level, ppt (n = 17) |
| Trichloromethane |
70 |
20 |
| Tetrachloromethane |
25 |
4 |
| 1,2-Dichloroethane |
2 |
1 |
| 1,1,1-Trichloroethane |
826 |
55 |
| 1,1,2,2-Tetrachloroethane |
4 |
4 |
| cis-1,2-Dichloroethene |
839 |
149 |
| 1,1-Dichloroethene |
128 |
18 |
| Trichloroethene |
2 |
1 |
| Tetrachloroethene |
19 |
7 |
| 1,4-Dichlorobenzene |
46 |
6 |
| Bromobenzene |
86 |
6 |
| Benzene |
170 |
78 |
| Toluene |
1643 |
662 |
| Ethylbenzene |
146 |
64 |
| o-Xylene |
118 |
44 |
| Styrene |
9239 |
1594 |
| Naphthalene |
16 |
2 |
| Acetophenone |
112 |
11 |
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