ANIL ENTERPRISES IS A PRECIPITATED CALCIUM CARBONATE MANUFACTURERS. PCC STANDS FOR PRECIPITATED CALCIUM CARBONATE—ALSO KNOWN AS PURIFIED, REFINED OR SYNTHETIC CALCIUM CARBONATE. IT HAS THE SAME CHEMICAL FORMULA AS OTHER TYPES OF CALCIUM CARBONATE, SUCH AS LIMESTONE, MARBLE AND CHALK: CACO3. CALCIUM CARBONATES, INCLUDING PCC, ARE CONSIDERED TO BE NON-TOXIC.