EPA Method 618 Analytes Back Catalog number: 40009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675957 1-(3,4-Dichlorophenyl)-3-methylurea, 100 µg/ml, A Price on request 59615 Mercury (Hg) Price on request 12066.22-100MG Doxycycline hyclate,neat,neat,100mg, Price on request