Proficiency Testing - 1,4-Dioxane Item no. ERA-461 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)SOIL 135 (July 27, 2026 - September 10, 2026) Add to cart All product details
Proficiency Testing - Arizona TPH in Soil Item no. ERA-488 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 128 (October 18, 2024 - December 2, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 130 (April 21, 2025 - June 5, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 132 (October 17, 2025 - December 1, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)SOIL 134 (April 27, 2026 - June 11, 2026)SOIL 135 (July 27, 2026 - September 10, 2026)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 All product details
Certified Reference Material - Mercury, waste water (WasteWatR TM) Item no. ERA-514 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Total Phenolics (4-AAP), waste water (WasteWatR TM) Item no. ERA-515 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Solids, Concentrate, potable water (PotableWatR TM) Item no. ERA-5152 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Demand, waste water (WasteWatR TM) Item no. ERA-516 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Tin & Titanium, waste water (WasteWatR TM) Item no. ERA-517 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Tin & Titanium, waste water (WasteWatR TM) Item no. ERA-517QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - 1 liter Oil & Grease, waste water (WasteWatR TM) Item no. ERA-518QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - HEM / SGT-HEM, waste water (WasteWatR TM) Item no. ERA-519 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - HEM / SGT-HEM, waste water (WasteWatR TM) Item no. ERA-519QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Complex Nutrients, waste water (WasteWatR TM) Item no. ERA-525 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Minerals PT (Extra Volume) Item no. ERA-526 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Inorganic Disinfection 2 Item no. ERA-5262 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Inorganic Disinfection 1 QC Item no. ERA-5272 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - TCLP Metals in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-544 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - EDB/DBCP/TCP Item no. ERA-562 Unit 2 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 360 (January 21, 2025 - March 7, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025) Add to cart All product details
Certified Reference Material - New Jersey EPH in Soil Item no. ERA-564 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Massachusetts VPH in Water Item no. ERA-566 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts VPH in Water Item no. ERA-566QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Massachusetts EPH in Water Item no. ERA-567 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts EPH in Water Item no. ERA-567QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts VPH in Soil Item no. ERA-568QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Tin & Titanium, waste water Item no. ERA-573 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)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) Add to cart All product details
Proficiency Testing - Simple Nutrients, waste water Item no. ERA-584 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)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) Add to cart All product details
Proficiency Testing - Total Residual Chlorine, waste water Item no. ERA-587 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)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) Add to cart All product details
QuiKResponse - TPH in Water, QuiK Item no. ERA-602QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Quality Control Product -Low-Level 1,2,3-TCP Item no. ERA-682 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Low-Level 1,2,3-TCP Item no. ERA-682QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Haloacetic Acids (HAA), potable water (PotableWatR TM) Item no. ERA-684QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Semivolatiles #2 Herbicides potable water (PotableWatR TM) Item no. ERA-691QR 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 - Regulated Volatiles, potable water (PotableWatR TM) Item no. ERA-703QR Unit each 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 - Chlordane in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-725QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-726QR 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 - Diesel Range Organics (DRO) in Soil Item no. ERA-765QR 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
Proficiency Testing - Chlordane, priority pollutant Item no. ERA-837 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)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) Add to cart All product details
Proficiency Testing - Toxaphene, priority pollutant Item no. ERA-838 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)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) Add to cart All product details
Proficiency Testing - Chloral Hydrate, potable water Item no. ERA-853 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 342 (January 13, 2025 - February 27, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 354 (January 12, 2026 - February 26, 2026)WS 360 (July 13, 2026 - August 27, 2026) Add to cart All product details
Certified Reference Material - Perchlorate, potable water (PotableWatR TM) Item no. ERA-910 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Settleable Solids, waste water (WasteWatR TM) Item no. ERA-911 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Nitroaromatics & Nitramines Soil, priority pollutant (PrPollutnT TM) Item no. ERA-920 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Carbamate Pesticides in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-926 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Ignitability/Flash Point, priority pollutant (PriorityPollutnT TM) Item no. ERA-979 Unit each Analytes Select to compare Price on request - + Add to cart All product details