QuiKResponse - PCB Congeners in Wastewater, WP QR Item no. ERA-5370QR CAS Number n/a Unit each Structural formula: n/a View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Oil & Grease (O&G) in Soil Item no. ERA-549QR CAS Number 2 Analytes Unit each Analyte(s) n-Hexane Extractable Material (O&G) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - Mercury, potable water Item no. ERA-551 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 - pH, potable water Item no. ERA-552 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 - Hardness, potable water Item no. ERA-555 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) 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 - Cyanide, potable water Item no. ERA-556 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 - Organic Carbon, potable water Item no. ERA-557 CAS Number 2 Analytes Unit each Analyte(s) Dissolved Organic Carbon (DOC) + 1 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 - New Jersey EPH in Soil Item no. ERA-564 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 VPH in Water Item no. ERA-566 CAS Number 13 Analytes Unit each Analyte(s) Benzene in VPH + 12 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Massachusetts VPH in Water Item no. ERA-566QR CAS Number 13 Analytes Unit each Analyte(s) Benzene in VPH + 12 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Massachusetts EPH in Water Item no. ERA-567QR 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
Certified Reference Material - Massachusetts VPH in Soil Item no. ERA-568 CAS Number 13 Analytes Unit each Analyte(s) Benzene in VPH + 12 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Massachusetts VPH in Soil Item no. ERA-568QR CAS Number 13 Analytes Unit each Analyte(s) Benzene in VPH + 12 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Massachusetts EPH in Soil - This is a State Specific Product designed for use for the State of Massachusetts. It is not designed to use for other purposes. Item no. ERA-569 CAS Number 22 Analytes Unit each Analyte(s) Diesel Range Organics (DRO) + 21 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - Massachusetts EPH in Soil - This is a State Specific Product designed for use for the State of Massachusetts. It is not designed to use for other purposes. Item no. ERA-569QR CAS Number 22 Analytes Unit each Analyte(s) Diesel Range Organics (DRO) + 21 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Total Petroleum Hydrocarbons (TPH) in Soil #1 Item no. ERA-570 CAS Number 2 Analytes Unit each Analyte(s) non-Polar Extractable Material (TPH) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Total Petroleum Hydrocarbons (TPH) in Soil #2 Item no. ERA-571 CAS Number 2 Analytes Unit each Analyte(s) non-Polar Extractable Material (TPH) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
QuiKResponse - TPH in Soil, QuiK Item no. ERA-572QR CAS Number 2 Analytes Unit each Analyte(s) non-Polar Extractable Material (TPH) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - Minerals, waste water Item no. ERA-581 CAS Number 9 Analytes Unit each Analyte(s) Alkalinity (as CaCO3) + 8 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 - Oil & Grease, waste water Item no. ERA-582 CAS Number 2 Analytes Unit each Analyte(s) n-Hexane Extractable Material (O and G) (Gravimetric) + 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 - Simple Nutrients, waste water Item no. ERA-584 CAS Number 5 Analytes Unit each Analyte(s) Ammonia (as N) + 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 - Trace Metals, waste water Item no. ERA-586 CAS Number 21 Analytes Unit each Analyte(s) Aluminium (Al) + 20 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 - Total Residual Chlorine, waste water Item no. ERA-587 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 - Total Cyanide, waste water Item no. ERA-588 CAS Number 3 Analytes Unit each Analyte(s) Total cyanide + 2 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 - Total Phenolics (4-AAP), waste water Item no. ERA-589 CAS Number 5 Analytes Unit each Analyte(s) Total phenolics + 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 - Metals, potable water Item no. ERA-590 CAS Number 19 Analytes Unit each Analyte(s) Aluminium (Al) + 18 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 - Inorganics, potable water Item no. ERA-591 CAS Number 10 Analytes Unit each Analyte(s) Alkalinity as CaCO3 + 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 - Turbidity, potable water Item no. ERA-592 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 - Residual Chlorine, potable water Item no. ERA-593 CAS Number 2 Analytes Unit each Analyte(s) Residual free chlorine + 1 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 - Nitrite, potable water Item no. ERA-594 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
QuiKResponse - PCB Congeners in Soil, Soil QR Item no. ERA-5988QR CAS Number n/a Unit each Structural formula: n/a View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - PFAS - Non-Potable Water Item no. ERA-599 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 - + Participation round: Round ID (Opens - Closes) WP 381 (October 16, 2026 - November 30, 2026) Add to cart Select to compare
Certified Reference Material - Total Petroleum Hydrocarbons (TPH) in Water #2 Item no. ERA-601 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 - TPH in Water, QuiK Item no. ERA-602QR 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
Certified Reference Material - PFAS in Soil Item no. ERA-603 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
Proficiency Testing - Metals in Soil, priority pollutant Item no. ERA-620 CAS Number 30 Analytes Unit each Analyte(s) Aluminium (Al) + 29 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Cyanide in Soil, priority pollutant Item no. ERA-621 CAS Number 3 Analytes Unit each Analyte(s) Amenable Cyanide + 2 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Volatiles in Soil, priority pollutant Item no. ERA-623 CAS Number 66 Analytes Unit each Analyte(s) 1,1,1,2-Tetrachloroethane + 65 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - PCBs in Soil, priority pollutant Item no. ERA-624 CAS Number 7 Analytes Unit each Analyte(s) Aroclor 1016 + 6 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Low-Level PAHs in Soil, priority pollutant Item no. ERA-625 CAS Number 16 Analytes Unit each Analyte(s) Acenaphthene + 15 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Toxaphene in Soil, priority pollutant Item no. ERA-627 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) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Chlordane in Soil, priority pollutant Item no. ERA-628 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) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - TCLP Metals in Soil, priority pollutant Item no. ERA-629 CAS Number 12 Analytes Unit each Analyte(s) Antimony (Sb) + 11 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Gasoline Range Organics (GRO) in Soil Item no. ERA-630 CAS Number 5 Analytes Unit each Analyte(s) Benzene in GRO + 4 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Diesel Range Organics (DRO) in Soil Item no. ERA-631 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) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Total Petroleum Hydrocarbons (TPH) in Soil Item no. ERA-632 CAS Number 2 Analytes Unit each Analyte(s) non-Polar Extractable Material (TPH) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - BTEX & MTBE in Soil Item no. ERA-633 CAS Number 7 Analytes Unit each Analyte(s) Benzene + 6 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart Select to compare
Proficiency Testing - Gasoline Range Organics (GRO) in Water Item no. ERA-640 CAS Number 5 Analytes Unit each Analyte(s) Benzene in GRO + 4 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
Proficiency Testing - Diesel Range Organics (DRO) in Water Item no. ERA-641 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 381 (October 16, 2026 - November 30, 2026) Add to cart Select to compare
Certified Reference Material - Hexavalent Chromium, potable water (PotableWatR TM) Item no. ERA-658 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