EPA Method 525 - Perchlorinates Back Catalog number: 31029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ALR-038N Dimethyl citraconate, 100mg Price on request 2921.9-100-AC MCPA-d3,100 µg/mL,acetone,1mL, Price on request XA08080900AC Surrogate Standard Mix 9, 200 ng/µl, 1ml Price on request