Urea, Fertilizer Grade, Granular 46-0-0

Hazardous Ingredients

Exposur e Limits (ACGIH) TLV- STEL CEIL % by NAME CAS # TWA mg/m3 ppm mg/m3 ppm Weight mglm' ppm Urea 57-13-6 - >98 Urea reaction products with 68611-64-3 - < 1 formaldehyde lmidodicarbonic diamide (biuret) 108-19-0 -- <1 ACGIH TLV notations: - No assigned TLV (C) - Ceiling - the concentration not to be exceeded at any time (I) - measured as the inhalable fraction or the aerosol (R) - measured as the Respirable fraction of the aerosol (1) - measured as the Thoracic fraction or the aerosol Urea, FertilizerGrade, Granular 46-0-0 Page Number: 2 TOXICOLOGICAL DATA ON TFI Product Testing Program Results - Urea 46-0-0 :" INGREDIENTS As formulated above: Acute oral toxicity: 14,300 mg/kg rat; 11,500 mg/kg mouse; 510 mg/kg cattle Chronic oral toxicity, NOAEL: 6,750 mg/kg mouse; 2,250 mg/kg rat Ecotoxicity: Acute toxicity to fish, Barillius barna, LC50, 96hr: >9,100 mg/L Acute toxicity to invertibrates, Daphnia, EC50 (24hr) >10,000 mg/L Acute toxicity to birds, pigeon, LDLo = 16,000 mg/kg subcutaneous Toxicity to algae, Scenedesmus quadricauda, cell multiplication inhibition, TT(192 hr) > 10,000 mg/L Section Ill. Hazards Identification. POTENTIAL ACUTE HEALTH Not considered to be toxic for humans under normal conditions of use. However, in keeping EFFECTS with good industrial hygiene practises, exposure to any chemical should be kept to a minimum. This product may cause irritation to the eyes and skin due to mechanical action. POTENTIAL CHRONIC CARCINOGENIC EFFECTS: NONE by ACGIH, EPA, IARC, OSHA. HEALTH EFFECTS MUTAGENIC EFFECTS: NONE by ACGIH, EPA, IARC, OSHA. TERATOGENIC EFFECTS: NONE by ACGIH, EPA, IARC, OSHA. There is no known effect from chronic exposure to this product. Urea is approved as a food and cosmetic additive , is an ingredient in clinical preparations, and is a normal human metabolite found in urine.