Proficiency Testing - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1010 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Organochlorine Pesticides on Polyurethane foam Item no. ERA-1011 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - PAHs on Polyurethane foam Item no. ERA-1013 Unit 2 mL plus polyurethane foam (PUF) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Aldehydes & Ketones on Sorbent Item no. ERA-1014 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Metals on Filter Paper Item no. ERA-1025 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Metals in Impinger Solution Item no. ERA-1026 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Mercury on Filter Paper Item no. ERA-1027 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Mercury in Impinger Solution Item no. ERA-1028 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Lead on Filter Paper Item no. ERA-1029 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Lead in Impinger Solution Item no. ERA-1030 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Chromium on Filter Paper Item no. ERA-1031 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Hexavalent Chromium in Impinger Solution Item no. ERA-1032 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Hydrogen Halides & Halogens in Impinger Solution Pair Item no. ERA-1040 Unit Two impinger solutions Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Fluoride in Impinger Solution Item no. ERA-1041 Unit One impinger solution Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Nitrogen Oxide in Impinger Solution Item no. ERA-1042 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Certified Reference Material - Volatiles on Sorbent Item no. ERA-1101 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1110 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Organochlorine Pesticides on Polyurethane foam Item no. ERA-1111 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs on Polyurethane foam Item no. ERA-1112 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PAHs on Polyurethane foam Item no. ERA-1113 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Aldehydes & Ketones on Sorbent Item no. ERA-1114 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Metals on Filter Paper Item no. ERA-1125 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Metals in Impinger Solution Item no. ERA-1126 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Metals in Impinger Solution Item no. ERA-1126QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Mercury on Filter Paper Item no. ERA-1127 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Mercury in Impinger Solution Item no. ERA-1128 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Lead on Filter Paper Item no. ERA-1129 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Lead in Impinger Solution Item no. ERA-1130 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chromium on Filter Paper Item no. ERA-1131 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Free Cyanide, clean water (synthetic drinking water matrix) Item no. ERA-1345 Unit 15 mL vial Analytes Select to compare Price on request - + Add to cart All product details
Hardness PT (Extra Volume) Item no. ERA-527 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Organic Carbon, potable water Item no. ERA-557 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 2026) Add to cart All product details
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 Unit each Analytes Select to compare Price on request - + Add to cart All product details
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 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - BTEX & MTBE in Soil Item no. ERA-633 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)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 - Organic Carbon, potable water (PotableWatR TM) Item no. ERA-669 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 - Semivolatiles #1, potable water (PotableWatR TM) Item no. ERA-690 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Semivolatiles #1, potable water (PotableWatR TM) Item no. ERA-690QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chlorinated Acid Herbicides, potable water (PotableWatR TM) Item no. ERA-704 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chlorinated Acid Herbicides, potable water (PotableWatR TM) Item no. ERA-704QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Low-Level PAHs, priority pollutant (PriorityPollutnT TM) Item no. ERA-715 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
Certified Reference Material - PFAS Drinking Water (ISO 17034) Item no. ERA-733 Unit 2mL Flame Sealed Ampule Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - BTEX & MTBE in Soil Item no. ERA-761 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - BTEX & MTBE in Soil Item no. ERA-761QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level PAHs, priority pollutant Item no. ERA-836 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 351 (April 15, 2024 - May 30, 2024)WP 354 (July 15, 2024 - August 29, 2024)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
Proficiency Testing - Semivolatiles #1, potable water Item no. ERA-848 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 2026) Add to cart All product details
Proficiency Testing - Chlorinated Acid Herbicides, potable water Item no. ERA-851 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) 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)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 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 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)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