Acids Calibration Level 1

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

Custom Mix of PBDEs, variation of S-4390 1961.12 2,4,4’-Tribromodiphenyl ether PBDE-28 [41318-75-6] 1962.12 2,2’,4,4’-Tetrabromodiphenyl ether PBDE-47 [5436-43-1] 1967.12 2,2’,4,4’,5-Pentabromodiphenyl ether PBDE-99 [60348-60-9] 1968.12 2,2’,4,4’,6