| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSISTS OF 4 ML. VIAL OF VITAMIN B-12/FOLATE FREE HSA BASE AND SODIUM AZIDE <0.5% (ZERO STANDARD); FIVE VIALS,2 ML. EACH OF VITAMIN B-12 (CYANOCOBALAMIN) AND PGA (PTEROYLGLUTAMIC ACID) IN HSA BASE WITH SODIUM AZIDE <0.5%; 10.5 ML. VIAL OF MICROBEAD REAGENT;3 ML. VIAL OF BLANK REAGENT; ONE VIAL OF DITHIOTHREITOL (DTT); 100 ML. BOTTL E OF VITAMIN B-12/FOLATE TRACER; 100 ML. BOTTLE OF VITAMIN B-12 TRACER; 100 ML. BOTTLE OF FOLATE TRACER; SUFFICENT FOR 100 TESTS |