WP & DMRQA Nutrients #2

EPA Method 502/524 Volatile Standard, 2000µg/ml in MeOH, 1ml

2,2',3',4,4',5,6'-Heptachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

1,2,3,7,8-Pentabromodibenzofuran,50 µg/mL,n-nonane,1mL,