Method: Volatile Organic Componds in Water. EPA Method 502.1 identifies volatile halogenated organic compounds, in water, by purge and trap gas chromatography.
EPA Method 502.2 is an enhanced and expanded version 502.1. It is a general purpose method for the identification and measurement of purgeble volatile organic compounds in finished drinking water, raw source water, or drinking water in any treatment stage.
Composition:
Benzene 200µg/ml [71-43-2]
n-Butylbenzene 200µg/ml [104-51-8]
sec-Butylbenzene 200µg/ml [135-98-8]
tert-Butylbenzene 200µg/ml [98-06-6]
Ethylbenzene 200µg/ml [100-41-4]
Isopropylbenzene 200µg/ml [98-82-8]
4-Isopropyltoluene 200µg/ml [99-87-6]
Naphthalene 200µg/ml [91-20-3]
n-Propylbenzene 200µg/ml [103-65-1]
Styrene 200µg/ml [100-42-5]
Toluene 200µg/ml [108-88-3]
1,2,4-Trimethylbenzene 200µg/ml [95-63-6]
1,3,5-Trimethylbenzene 200µg/ml [108-67-8]
m-Xylene 200µg/ml [108-38-3]
o-Xylene 200µg/ml [95-47-6]
p-Xylene 200µg/ml [106-42-3]