Proficiency Testing - Sulfuric Acid & Sulfur Dioxide in Impinger Solution Code No. ERA-1044 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) AE 064 (April 28, 2023 - June 12, 2023)AE 065 (July 28, 2023 - September 11, 2023)AE 066 (October 27, 2023 - December 11, 2023)AE 067 (January 29, 2024 - March 14, 2024)AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024) Add to cart All product details
Proficiency Testing - Ammonia in Impinger Solution Code No. ERA-1045 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) AE 064 (April 28, 2023 - June 12, 2023)AE 065 (July 28, 2023 - September 11, 2023)AE 066 (October 27, 2023 - December 11, 2023)AE 067 (January 29, 2024 - March 14, 2024)AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024) Add to cart All product details
Proficiency Testing - Particulate Matter on Filter Paper Code No. ERA-1050 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) AE 064 (April 28, 2023 - June 12, 2023)AE 065 (July 28, 2023 - September 11, 2023)AE 066 (October 27, 2023 - December 11, 2023)AE 067 (January 29, 2024 - March 14, 2024)AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024) Add to cart All product details
QuiKResponse - Volatiles in Gas Cylinder Code No. ERA-1100QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Volatiles on Sorbent Code No. ERA-1101QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Particulate Matter in Impinger Solution Code No. ERA-1151QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
Proficiency Testing - Solids, WP, waste water Code No. ERA-241 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WP 339 (April 17, 2023 - June 1, 2023)WP 340 (May 15, 2023 - June 29, 2023)WP 341 (June 12, 2023 - July 27, 2023)WP 342 (July 17, 2023 - August 31, 2023)WP 343 (August 14, 2023 - September 28, 2023)WP 344 (September 11, 2023 - October 26, 2023)WP 345 (October 13, 2023 - November 27, 2023)WP 346 (November 3, 2023 - December 18, 2023)WP 347 (December 11, 2023 - January 25, 2024)WP 348 (January 15, 2024 - February 29, 2024)WP 349 (February 12, 2024 - March 28, 2024)WP 350 (March 11, 202 - April 25, 2024)WP 351 (April 15, 2024 - May 30, 2024)WP 352 (May 13, 2024 - June 27, 2024)WP 353 (June 10, 2024 - July 25, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 355 (August 12, 2024 - September 26, 2024)WP 356 (September 9, 2024 - October 24, 2024)WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025) Add to cart All product details
Proficiency Testing - Sulfite Code No. ERA-244 Unit 10 mL Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WP 342 (July 17, 2023 - August 31, 2023)WP 348 (January 15, 2024 - February 29, 2024)WP 354 (July 15, 2024 - August 29, 2024) Add to cart All product details
Proficiency Testing - 1,4-Dioxane Code No. ERA-272 Unit 2 mL (ampoule) Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 324 (July 10, 2023 - August 24, 2023)WS 330 (January 8, 2024 - February 22, 2024)WS 336 (July 8, 2024 - August 22, 2024) Add to cart All product details
Proficiency Testing - Volatile Aromatics Code No. ERA-4450 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WP 339 (April 17, 2023 - June 1, 2023)WP 342 (July 17, 2023 - August 31, 2023)WP 345 (October 13, 2023 - November 27, 2023)WP 348 (January 15, 2024 - February 29, 2024)WP 351 (April 15, 2024 - May 30, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 357 (October 11, 2024 - November 25, 2024) Add to cart All product details
QuiKResponse - Volatile Aromatics Code No. ERA-4452QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
Proficiency Testing - 1,4-Dioxane Code No. ERA-461 Unit 2 mL (ampoule) Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) SOIL 123 (July 24, 2023 - September 7, 2023)SOIL 125 (January 22, 2024 - March 7, 2024)SOIL 127 (July 22, 2024 - September 5, 2024) Add to cart All product details
Proficiency Testing - Organochlorine Pesticides in Soil, priority pollutant Code No. ERA-468 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) SOIL 122 (April 24, 2023 - June 8, 2023)SOIL 123 (July 24, 2023 - September 7, 2023)SOIL 124 (October 20, 2023 - December 4, 2023)SOIL 125 (January 22, 2024 - March 7, 2024)SOIL 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)SOIL 128 (April 18, 2024 - June 2, 2024) Add to cart All product details
QuiKResponse - Total Residual Chlorine, waste water (WasteWatR TM) Code No. ERA-501QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Inorganic Disinfection 2 Code No. ERA-5262QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Inorganic Disinfection 1 Code No. ERA-5272QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Sulfite Code No. ERA-534QR Unit 10 mL Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Cyanide in Soil, priority pollutant (PriorityPollutnT TM) Code No. ERA-541QR Unit 40 g Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Nutrients in Soil, priority pollutant (PriorityPollutnT TM) Code No. ERA-542QR Unit 40 g Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Anions in Soil, priority pollutant (PriorityPollutnT TM) Code No. ERA-543QR Unit 40 g Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Massachusetts VPH in Water Code No. ERA-566QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Massachusetts EPH in Water Code No. ERA-567QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
Proficiency Testing - Total Petroleum Hydrocarbons (TPH) in Soil Code No. ERA-632 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) SOIL 122 (April 24, 2023 - June 8, 2023)SOIL 123 (July 24, 2023 - September 7, 2023)SOIL 124 (October 20, 2023 - December 4, 2023)SOIL 125 (January 22, 2024 - March 7, 2024)SOIL 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)SOIL 128 (April 18, 2024 - June 2, 2024) Add to cart All product details
Proficiency Testing - BTEX & MTBE in Soil Code No. ERA-633 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) SOIL 122 (April 24, 2023 - June 8, 2023)SOIL 123 (July 24, 2023 - September 7, 2023)SOIL 124 (October 20, 2023 - December 4, 2023)SOIL 125 (January 22, 2024 - March 7, 2024)SOIL 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)SOIL 128 (April 18, 2024 - June 2, 2024) Add to cart All product details
Proficiency Testing - Gasoline Range Organics (GRO) in Water Code No. ERA-640 Unit 2 mL Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WP 339 (April 17, 2023 - June 1, 2023)WP 342 (July 17, 2023 - August 31, 2023)WP 345 (October 13, 2023 - November 27, 2023)WP 348 (January 15, 2024 - February 29, 2024)WP 351 (April 15, 2024 - May 30, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 357 (October 11, 2024 - November 25, 2024) Add to cart All product details
Proficiency Testing - Diesel Range Organics (DRO) in Water Code No. ERA-641 Unit 2 mL Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WP 339 (April 17, 2023 - June 1, 2023)WP 342 (July 17, 2023 - August 31, 2023)WP 345 (October 13, 2023 - November 27, 2023)WP 348 (January 15, 2024 - February 29, 2024)WP 351 (April 15, 2024 - May 30, 2024)WP 354 (July 15, 2024 - August 29, 2024)WP 357 (October 11, 2024 - November 25, 2024) Add to cart All product details
QuiKResponse - UV 254 Absorbance, potable water (PotableWatR TM) Code No. ERA-662QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Organophosphorus Pesticides (OPP), priority pollutant (PrPollutnT TM) Code No. ERA-665QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Mercury, potable water (PotableWatR TM) Code No. ERA-666QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - o-Phosphate Nutrients, potable water (PotableWatR TM) Code No. ERA-667QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Organic Carbon, potable water (PotableWatR TM) Code No. ERA-669QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Total Organic Halides (TOX), waste water (WasteWatR TM) Code No. ERA-670QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Semivolatiles #2 Herbicides potable water (PotableWatR TM) Code No. ERA-691QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Hardness, potable water (PotableWatR TM) Code No. ERA-693QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Organochlorine Pesticides in Soil, priority pollutant (PrPollutnT TM) Code No. ERA-728QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - PCBs in Oil, priority pollutant (PriorityPollutnT TM) (1) Code No. ERA-729SQR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - TCLP Volatiles Code No. ERA-730QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - TCLP Organochlorine Pesticides Code No. ERA-732QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
QuiKResponse - Gasoline Range Organics (GRO) in Water Code No. ERA-762QR Unit each Analytes To Comparison List Price on request - + Add to cart All product details
Proficiency Testing - Toxaphene, potable water Code No. ERA-844 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 322 (May 8, 2023 - June 22, 2023)WS 323 (June 5, 2023 - July 20, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 325 (August 7, 2023 - September 21, 2023)WS 326 (September 5, 2023 - October 20, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 328 (October 31, 2023 - December 15, 2023)WS 329 (December 4, 2023 - January 18, 2024)WS 330 (January 8, 2024 - February 22, 2024)WS 331 (February 5, 2024 - March 21, 2024)WS 332 (March 4, 2024 - April 18, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 334 (May 6, 2024 - June 20 ,2024)WS 335 (June 03, 2024 -July 18, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 337 (August 5, 2024 - September 19, 2024)WS 338 (September 3, 2024 - October 18, 2024)WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025) Add to cart All product details
Proficiency Testing - Carbamate/Carbamoxyloxime Pesticides Code No. ERA-846 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 322 (May 8, 2023 - June 22, 2023)WS 323 (June 5, 2023 - July 20, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 325 (August 7, 2023 - September 21, 2023)WS 326 (September 5, 2023 - October 20, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 328 (October 31, 2023 - December 15, 2023)WS 329 (December 4, 2023 - January 18, 2024)WS 330 (January 8, 2024 - February 22, 2024)WS 331 (February 5, 2024 - March 21, 2024)WS 332 (March 4, 2024 - April 18, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 334 (May 6, 2024 - June 20 ,2024)WS 335 (June 03, 2024 -July 18, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 337 (August 5, 2024 - September 19, 2024)WS 338 (September 3, 2024 - October 18, 2024)WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025) Add to cart All product details
Proficiency Testing - Chlorinated Acid Herbicides, potable water Code No. ERA-851 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 322 (May 8, 2023 - June 22, 2023)WS 323 (June 5, 2023 - July 20, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 325 (August 7, 2023 - September 21, 2023)WS 326 (September 5, 2023 - October 20, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 328 (October 31, 2023 - December 15, 2023)WS 329 (December 4, 2023 - January 18, 2024)WS 330 (January 8, 2024 - February 22, 2024)WS 331 (February 5, 2024 - March 21, 2024)WS 332 (March 4, 2024 - April 18, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 334 (May 6, 2024 - June 20 ,2024)WS 335 (June 03, 2024 -July 18, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 337 (August 5, 2024 - September 19, 2024)WS 338 (September 3, 2024 - October 18, 2024)WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025) Add to cart All product details
Proficiency Testing - Haloacetic Acids (HAA), potable water Code No. ERA-852 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 322 (May 8, 2023 - June 22, 2023)WS 323 (June 5, 2023 - July 20, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 325 (August 7, 2023 - September 21, 2023)WS 326 (September 5, 2023 - October 20, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 328 (October 31, 2023 - December 15, 2023)WS 329 (December 4, 2023 - January 18, 2024)WS 330 (January 8, 2024 - February 22, 2024)WS 331 (February 5, 2024 - March 21, 2024)WS 332 (March 4, 2024 - April 18, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 334 (May 6, 2024 - June 20 ,2024)WS 335 (June 03, 2024 -July 18, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 337 (August 5, 2024 - September 19, 2024)WS 338 (September 3, 2024 - October 18, 2024)WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025) Add to cart All product details
Proficiency Testing - Chloral Hydrate, potable water Code No. ERA-853 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 324 (July 10, 2023 - August 24, 2023)WS 330 (January 8, 2024 - February 22, 2024)WS 336 (July 8, 2024 - August 22, 2024) Add to cart All product details
Proficiency Testing - Hexavalent Chromium, potable water Code No. ERA-854 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 330 (January 8, 2024 - February 22, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 339 (October 4, 2024 - November 18, 2024) Add to cart All product details
Proficiency Testing - Vanadium, potable water Code No. ERA-856 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 330 (January 8, 2024 - February 22, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 339 (October 4, 2024 - November 18, 2024) Add to cart All product details
Proficiency Testing - Dioxin, potable water Code No. ERA-857 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 330 (January 8, 2024 - February 22, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 339 (October 4, 2024 - November 18, 2024) Add to cart All product details
Proficiency Testing - Uranium, potable water Code No. ERA-858 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) WS 321 (April 10, 2023 - May 25, 2023)WS 324 (July 10, 2023 - August 24, 2023)WS 327 (October 6, 2023 - November 20, 2023)WS 330 (January 8, 2024 - February 22, 2024)WS 333 (April 8, 2024 - May 23, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 339 (October 4, 2024 - November 18, 2024) Add to cart All product details
Proficiency Testing - Oil & Grease (O&G) in Soil Code No. ERA-867 Unit each Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) SOIL 122 (April 24, 2023 - June 8, 2023)SOIL 123 (July 24, 2023 - September 7, 2023)SOIL 124 (October 20, 2023 - December 4, 2023)SOIL 125 (January 22, 2024 - March 7, 2024)SOIL 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)SOIL 128 (April 18, 2024 - June 2, 2024) Add to cart All product details
Proficiency Testing - Nutrients in Soil, priority pollutant Code No. ERA-869 Unit 40 g Analytes To Comparison List Price on request - + Participation round: Round ID (Opens - Closes) SOIL 122 (April 24, 2023 - June 8, 2023)SOIL 123 (July 24, 2023 - September 7, 2023)SOIL 124 (October 20, 2023 - December 4, 2023)SOIL 125 (January 22, 2024 - March 7, 2024)SOIL 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)SOIL 128 (April 18, 2024 - June 2, 2024) Add to cart All product details