268 



Table 5-3 Continued 



Compound 



Formula 



Remarks 



r.M 



Compounds present in background/Blank analyses (continued) 







l-chloro-4-(l-chloroethenyl) 



CgHioClj 





176 



cyclohexene 









l-chloro-5-( 1-chloroethenyl) 



CgHioClj 





176 



cyclohexene 









1,6-dichloro- 1,5-cyclooctadiene 



CgHjoClj 





176 



Dichlorofluoromethane 



CHCUF 





102 



Chlorodifluoromethane 



CHCIF2 





86 



Dichlorodifluoromethane 



CCI2F2 





120 



Trichlorofluoromethane 



CCI3F 





136 



l,l,2-trichloro-l,2,2-trifluoroethane 



C2CI3F3 



D 



186 



Difluorobenzene 



CaH^F^ 



B 



114 



Bromodichloromethane 



CHCl^Br 





162 



Dibromochloromethane 



CHClBr^ 





206 



Bromochlorodifluoromethane 



CClBrF^ 





164 



Naphthalene 



^loHg 





128 



Carene 



C10H16 



A 



136 



3-carene 



^ioHi6 



B 



136 



4-carene 



C10H15 



B 



136 



Limonene 



^ioHi6 





136 



a-pinene 



^ioHi6 





136 



/3-pinene 



^10"l6 





136 



a-phellandrene 



^10"l6 





136 



j3-phellandrene 



^loHie 





136 



Explanation of remarks: 









A) Exact identification of this compound is 



questionnable c 



lue to 



low purity value. 



B) The class or base structure of this compound is characterized 

 by a specific EI fragmentation pattern. Location of bonds 

 and/or substitution may be uncertain. 



