REFERENCE MATERIAL;, AR4012;, SAMPLE TYPE: PO;, MATRIX: LIME;, COMPOSITION: CARBON 11.97PCT SULFUR 0.044PCT;, CERTIFICATE: B2380;, SUPPLY: 25G BOTTLE;, 90812-3001 ELTRA AR4012 ALPHA RESOURCE B2380 ELEMENTAL;, NECESSARY TO PROVIDE FISQP;