EPA Method 300.0 Anions Back Catalog number: 52420 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12002.34-K-IO Di-n-ditridecyl phthalate,1000 µg/mL,isooctane,1mL, Price on request 51124 Internal Standard ASTM D-5307 Price on request 52313 Lanthanum Chloride Modifier (La) Price on request