Environmental Reference Materials, Inorganics, Water Chemistry CRMsCOD CRM #IS-001H-500$76.0010000 mg/L in Water read moreOptions Choose an option500 mLClear Add to cart Compare Catalog Number:IS-001HOptions500 mLRelated products Quick View Add to cart Compare $59.00 Environmental Reference Materials Chromate – 125mL #IC-009 Quick View Add to cart Compare $59.00 Environmental Reference Materials Nitrate – 125mL #IC-025 Quick View Add to cart Compare $59.00 Environmental Reference Materials Calcium – 125mL #IC-008 Quick View Add to cart Compare $59.00 Environmental Reference Materials Chlorite – 125mL #IC-016