QuiKResponse - Dioxin, potable water (PotableWatR TM) Item no. ERA-663QR CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Unregulated Volatiles, potable water (PotableWatR TM) Item no. ERA-683QR CAS Number 28 Analytes Unit each Analyte(s) 1,1,1,2-Tetrachloroethane + 27 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Haloacetic Acids (HAA), potable water (PotableWatR TM) Item no. ERA-684 CAS Number 6 Analytes Unit each Analyte(s) Bromochloroacetic acid + 5 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Haloacetic Acids (HAA), potable water (PotableWatR TM) Item no. ERA-684QR CAS Number 6 Analytes Unit each Analyte(s) Bromochloroacetic acid + 5 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Semivolatiles #1, potable water (PotableWatR TM) Item no. ERA-690 CAS Number 23 Analytes Unit each Analyte(s) Acenaphthene + 22 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Semivolatiles #1, potable water (PotableWatR TM) Item no. ERA-690QR CAS Number 23 Analytes Unit each Analyte(s) Acenaphthene + 22 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Semivolatiles #2 Herbicides potable water (PotableWatR TM) Item no. ERA-691 CAS Number 4 Analytes Unit each Analyte(s) Diquat + 3 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Semivolatiles #2 Herbicides potable water (PotableWatR TM) Item no. ERA-691QR CAS Number 4 Analytes Unit each Analyte(s) Diquat + 3 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Hardness, potable water (PotableWatR TM) Item no. ERA-693 CAS Number 5 Analytes Unit each Analyte(s) Calcium (Ca) + 4 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Nitrite, potable water (PotableWatR TM) Item no. ERA-695 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Nitrite, potable water (PotableWatR TM) Item no. ERA-695QR CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Residual Chlorine, potable water (PotableWatR TM) Item no. ERA-696 CAS Number 2 Analytes Unit each Analyte(s) Residual free chlorine + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Residual Chlorine, potable water (PotableWatR TM) Item no. ERA-696QR CAS Number 2 Analytes Unit each Analyte(s) Residual free chlorine + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Regulated Volatiles, potable water (PotableWatR TM) Item no. ERA-703 CAS Number 19 Analytes Unit each Analyte(s) 1,1,2-Trichloroethane + 18 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Chlorinated Acid Herbicides, potable water (PotableWatR TM) Item no. ERA-704QR CAS Number 16 Analytes Unit each Analyte(s) 2,4,5-T + 15 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - EDB/DBCP/TCP, potable water (PotableWatR TM) Item no. ERA-706 CAS Number 3 Analytes Unit each Analyte(s) 1,2,3-Trichloropropane + 2 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Silica, potable water (PotableWatR TM) Item no. ERA-785 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - Unregulated Volatiles, potable water Item no. ERA-841 CAS Number 28 Analytes Unit each Analyte(s) 1,1,1,2-Tetrachloroethane + 27 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Proficiency Testing - Halomethanes (THMs), potable water Item no. ERA-842 CAS Number 4 Analytes Unit each Analyte(s) Bromodichloromethane + 3 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Proficiency Testing - Chlordane, potable water Item no. ERA-845 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Proficiency Testing - Carbamate/Carbamoxyloxime Pesticides Item no. ERA-846 CAS Number 10 Analytes Unit each Analyte(s) 3-Hydroxycarbofuran + 9 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Proficiency Testing - EDB/DBCP/TCP, potable water Item no. ERA-847 CAS Number 3 Analytes Unit each Analyte(s) 1,2,3-Trichloropropane + 2 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Proficiency Testing - Pesticides, (PotableWatR TM), potable water Item no. ERA-850 CAS Number 22 Analytes Unit each Analyte(s) Alachlor + 21 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Certified Reference Material - Perchlorate, potable water (PotableWatR TM) Item no. ERA-910 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare