ULTRA-U-RPC-136AS
2,2',4,5-Tetrachlorobiphenyl Solution (BZ#48) 100 µg/mL in isooctane (2,2,4-trimethylpentane)
ULTRA-U-RPC-136S
2,2',4,5-Tetrachlorobiphenyl Solution (BZ#48) 100 µg/mL in hexane
ULTRA-U-RPC-124AS
3,4,5-Trichlorobiphenyl Solution (BZ#38) 100 µg/mL in isooctane (2,2,4-trimethylpentane)
ULTRA-U-RPC-124S
3,4,5-Trichlorobiphenyl Solution (BZ#38) 100 µg/mL in hexane
ULTRA-U-RPC-125AS
3,4',5-Trichlorobiphenyl Solution (BZ#39) 100 µg/mL in isooctane (2,2,4-trimethylpentane)
ULTRA-U-RPC-125S
3,4',5-Trichlorobiphenyl Solution (BZ#39) 100 µg/mL in hexane