EPA 8260B - Multiple Component Solution 1 16 Analytes, each 100µg/mL in methanol; unit: 1x1mL 1300.6 Benzene [71-43-2] 0392.10 n-Butylbenzene [104-51-8] 2341.10 sec-Butylbenzene [135-98-8] 2343.10 tert-Butylbenzene [98-06-6] 1268.8 Ethylbenzene [100