400,000 uS/cm Conductivity Item no. ERA-01665 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
pH 7 Item no. ERA-132 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
pH 7 Item no. ERA-133 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 Total Phenolics (4-AAP) Item no. ERA-273 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
Solids QC plus QC Standard Item no. ERA-4033 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 - PFAS - in wastewater Item no. ERA-404 CAS Number 44 Analytes Unit each Analyte(s) 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) + 43 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - PFAS - in wastewater Item no. ERA-404QR CAS Number 44 Analytes Unit each Analyte(s) 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) + 43 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
pH QC plus QC Standard Item no. ERA-4063 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
Oil & Grease QC plus QC Standard Item no. ERA-4123 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
Ohio Fluoride, QC Item no. ERA-4429 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
ICP Trace Metals Item no. ERA-524 CAS Number 28 Analytes Unit each Analyte(s) Aluminium (Al) + 27 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Total Phenolics (4-AAP), WS QR Item no. ERA-535QR CAS Number 4 Analytes Unit each Analyte(s) 2,4-Dichlorophenol + 3 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - o-Phosphate Nutrients, potable water Item no. ERA-558 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 - EDB/DBCP/TCP Item no. ERA-562 CAS Number 3 Analytes Unit each Analyte(s) 1,2,3-Trichloropropane (TCP) + 2 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WP 381 (October 16, 2026 - November 30, 2026) Add to cart Select to compare
Certified Reference Material - PCBs in Oil Item no. ERA-563 CAS Number 7 Analytes Unit each Analyte(s) Aroclor 1016 + 6 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - PCBs in Oil Item no. ERA-563QR CAS Number 7 Analytes Unit each Analyte(s) Aroclor 1016 + 6 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - New Jersey EPH in Soil Item no. ERA-564QR 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 - Massachusetts EPH in Water Item no. ERA-567 CAS Number 22 Analytes Unit each Analyte(s) 2-Methylnaphthalene in EPH + 21 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - Mercury, waste water Item no. ERA-574 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) WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart Select to compare
Proficiency Testing - pH, waste water Item no. ERA-577 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) WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart Select to compare
Proficiency Testing - Demand, waste water Item no. ERA-578 CAS Number 4 Analytes Unit each Analyte(s) Biochemical Oxygen Demand (BOD) + 3 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart Select to compare
Proficiency Testing - Complex Nutrients, waste water Item no. ERA-579 CAS Number 2 Analytes Unit each Analyte(s) Total Kjeldahl-Nitrogen as N + 1 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart Select to compare
Proficiency Testing - Hardness, waste water Item no. ERA-580 CAS Number 5 Analytes Unit each Analyte(s) Calcium (Ca) + 4 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart Select to compare
Proficiency Testing - Low-Level 1,2,3-TCP Item no. ERA-596 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 366 (January 11, 2027 - February 25, 2027)WS 372 (July 12, 2027 - August 26, 2027) Add to cart Select to compare
Proficiency Testing - 1,4-Dioxane Item no. ERA-597 CAS Number n/a Unit each Structural formula: n/a View all product details Price on request - + Participation round: Round ID (Opens - Closes) WP 384 (January 19, 2027 - March 5, 2027)WP 390 (July 19, 2027 - September 2, 2027) Add to cart Select to compare
Certified Reference Material, PCB Congeners in Soil, Soil CRM Item no. ERA-5988 CAS Number n/a Unit each Structural formula: n/a View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Total Petroleum Hydrocarbons (TPH) in Water #1 Item no. ERA-600 CAS Number 2 Analytes Unit each Analyte(s) Total Petroleum Hydrocarbons (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - PFAS in Soil Item no. ERA-603QR CAS Number 40 Analytes Unit each Analyte(s) 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS), potassium salt + 39 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Organophosphorus Pesticides (OPP), priority pollutant (PrPollutnT TM) Item no. ERA-665QR CAS Number 22 Analytes Unit each Analyte(s) Azinphos-methyl (Guthion) + 21 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Mercury, potable water (PotableWatR TM) Item no. ERA-666QR 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 - Organic Carbon, potable water (PotableWatR TM) Item no. ERA-669QR CAS Number 2 Analytes Unit each Analyte(s) Dissolved Organic Carbon (DOC) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Quality Control Product -Low-Level 1,2,3-TCP Item no. ERA-682 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 - Low-Level 1,2,3-TCP Item no. ERA-682QR 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 - 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
Certified Reference Material - EDB/DBCP/TCP, WasteWater Item no. ERA-692 CAS Number 3 Analytes Unit each Analyte(s) 1,2,3-Trichloropropane (TCP) + 2 more + 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
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 - Metals, potable water (PotableWatR TM) Item no. ERA-697 CAS Number 19 Analytes Unit each Analyte(s) Aluminium (Al) + 18 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Metals, potable water (PotableWatR TM) Item no. ERA-697QR CAS Number 19 Analytes Unit each Analyte(s) Aluminium (Al) + 18 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Inorganics, potable water (PotableWatR TM) Item no. ERA-698QR CAS Number 10 Analytes Unit each Analyte(s) Alkalinity as CaCO3 + 9 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Turbidity, potable water (PotableWatR TM) Item no. ERA-699QR 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 - PCBs as Decachlorobiphenyl, potable water (PotableWatR TM) Item no. ERA-708QR CAS Number 8 Analytes Unit each Analyte(s) Aroclor 1016 + 7 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Pesticides, potable water (PotableWatR TM) Item no. ERA-709QR CAS Number 22 Analytes Unit each Analyte(s) Alachlor + 21 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Base/Neutrals, priority pollutant (PriorityPollutnT TM) Item no. ERA-711QR CAS Number 71 Analytes Unit each Analyte(s) Biphenyl + 70 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Acids, priority pollutant (PriorityPollutnT TM) Item no. ERA-712QR CAS Number 17 Analytes Unit each Analyte(s) 2,3,4,6-Tetrachlorophenol + 16 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Low-Level PAHs, priority pollutant (PriorityPollutnT TM) Item no. ERA-715QR CAS Number 16 Analytes Unit each Analyte(s) Acenaphthene + 15 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Low-Level PAHs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-722 CAS Number 16 Analytes Unit each Analyte(s) Acenaphthene + 15 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Chlorinated Acid Herbicides in Soil, priority pollutant (PrPollutnT TM) Item no. ERA-723 CAS Number 18 Analytes Unit each Analyte(s) 2,4,5-T + 17 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-726 CAS Number 7 Analytes Unit each Analyte(s) Aroclor 1016 + 6 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Organochlorine Pesticides in Soil, priority pollutant (PrPollutnT TM) Item no. ERA-728 CAS Number 20 Analytes Unit each Analyte(s) 4,4'-DDD + 19 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare