EPA Method 8260B Surrogate Standard Back Catalog number: 23112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended T293240 delta 8-Tetrahydro Cannabinol, 10mg Price on request 1700-0600 Artificial Urine Medium, Stabilized, 200mL Price on request 50302 Mix #2 Price on request