Heptachlor-endo-epoxide (trans-, isomer A), 10µg/ml in CY, 10ml

Ethyl butanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-54-4

Acid Extractables

1-(4-Isopropylphenyl)-3-methylurea, 100mg