EPA Method 8270C Mix #1 - BNS

1,4-Butanediol, 1000mg

2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 2169-87-1

Trimethyl phosphate, 100 µg/ml, Methanol, 5ml