QuiKResponse - Nitrogen Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-674QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Nitroaromatics & Nitramines, priority pollutant (PrPollutnT TM) Item no. ERA-677QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Organophosphorus Pesticides (OPP), WS Item no. ERA-681 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - EDB/DBCP/TCP, WasteWatR? Item no. ERA-692 Unit 2 mL Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - EDB/DBCP/TCP Item no. ERA-692QR Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatiles, PriorityPollutnT? Item no. ERA-710QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Base/Neutrals, priority pollutant (PriorityPollutnT TM) Item no. ERA-711QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Organochlorine Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-713QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level PAHs, priority pollutant (PriorityPollutnT TM) Item no. ERA-715QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlordane, priority pollutant (PriorityPollutnT TM) Item no. ERA-716QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Toxaphene, priority pollutant (PriorityPollutnT TM) Item no. ERA-717QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlorinated Acid Herbicides, priority pollutant (PriorityPollutnT TM) Item no. ERA-718QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs in Oil, priority pollutant (PriorityPollutnT TM) (1) Item no. ERA-729SQR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs in Water, priority pollutant (PriorityPollutnT TM) (1) Item no. ERA-734SQR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - BTEX & MTBE in Water Item no. ERA-760QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Gasoline Range Organics (GRO) in Water Item no. ERA-762QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Diesel Range Organics (DRO) in Water Item no. ERA-764 CAS Number [68476-34-6] Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Diesel Range Organics (DRO) in Water Item no. ERA-764QR CAS Number [68476-34-6] Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Bromide, waste water (WasteWatR TM) Item no. ERA-769QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitrite, waste water (WasteWatR TM) Item no. ERA-770QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Silica, waste water (WasteWatR TM) Item no. ERA-775QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Surfactants-MBAS, waste water (WasteWatR TM) Item no. ERA-776QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Turbidity, waste water (WasteWatR TM) Item no. ERA-777QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Color, Water Pollution Item no. ERA-882C Unit 30 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Acidity, waste water Item no. ERA-885 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Bromide, waste water Item no. ERA-887 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Sulfide, waste water Item no. ERA-891 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)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 All product details
Proficiency Testing - Surfactants-MBAS, waste water Item no. ERA-892 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Turbidity, waste water Item no. ERA-893 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)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 All product details
Proficiency Testing - Total Organic Halides (TOX), waste water Item no. ERA-895 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Low-Level Mercury, waste water Item no. ERA-896 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Hexavalent Chromium, waste water Item no. ERA-898 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026)WP 372 (January 20, 2026 - March 6, 2026)WP 373 (February 16, 2026 - April 2, 2026)WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)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 All product details
Proficiency Testing - Carbamate Pesticides, priority pollutant Item no. ERA-899 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
QuiKResponse - Carbamate Pesticides, priority pollutant (PriorityPollutnT TM) Item no. ERA-908QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Settleable Solids, waste water (WasteWatR TM) Item no. ERA-911QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatile Solids, waste water (WasteWatR TM) Item no. ERA-913QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Acidity, waste water (WasteWatR TM) Item no. ERA-915QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Total Residual Chlorine Item no. ERA-917QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Boron, waste water (WasteWatR TM) Item no. ERA-919QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level Mercury, waste water (WasteWatR TM) Item no. ERA-931QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Nitroaromatics & Nitramines, priority pollutant Item no. ERA-932 Unit 2 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Organophosphorus Pesticides (OPP), priority pollutant Item no. ERA-934 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
QuiKResponse - pH, waste water (WasteWatR TM) Item no. ERA-977QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium, waste water (WasteWatR TM) Item no. ERA-984QR Unit each Analytes Select to compare Price on request - + Add to cart All product details