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美國AccuStandard, Inc 
Accustandard（全球唯一一家合成并凈化209單個的聚氯聯苯同類物的公司），全球化大型標樣庫 - 27000 種！ 有機、無機、質檢、混合標樣、QC標樣、委托合成標樣。
專業技術支持，高質量的產品，便捷的查詢、訂貨服務，最大程度地滿足化學家的要求。
 美國Accustandard公司是唯一經過NIST/NVLAP、EPA認證的標準物質的專業生產商，可以為EPA、ASTM、NIST生產 各類標樣35000種，涉及農藥、石化、環境、食品、無機、煙草等，所有產品均可以提供 質檢證書、材料安全數據卡。AccuStandard可以提供多種包裝：從1ML液標到10MG、 500MG純品，還可以根據用戶的要求定制產品，以滿足不同實驗的需求。
美國NIST標準品及標準件。包括食品與農業、健康與診斷、法醫學、環境、高純試劑、和工業衛生等行業。

1）農藥標樣 700種農藥純品、3000種農藥混標
2）環境標樣 全部PCD（多氯聯苯）標樣系列-209種、EPA檢測方法用標樣
3）質控與轉向測試 供水/廢水測試用標樣
4）石化標樣 LUFT/LUST總石油烴標樣
5）無機標樣 專項測試標陽、等離子發射、原子吸收、離子色譜標樣、硫標樣等
6）食品分析標樣 食品分析、防腐劑、殺菌劑、維生素、類脂類標樣等
7）國際標樣 加拿大、歐洲、日本、韓國規定檢測方法之專用標樣
8）化學品標樣盒 多品種標樣盒、任選組合標樣盒、Theata標樣盒等
　在美國，許多政府管理部門、州政府、工業實驗室和儀器制造商都信任AccuStandard 的. TPH 校準標樣，如：美國海軍、美國環保局、美國海岸巡邏隊、加利福尼亞州、馬里蘭州、. 佛羅里達州和Agilent、Varian 、Test America、Severn Trent、Chevron、Ceimic等公司，共有２１個洲將AccuStandard 作為洲專用標樣．

AccuStandard is the leading supplier of analytical reference standards for the environment, industry and research. Providing highly purified solutions and mixtures for organic, inorganic, petrochemical, quality control and proficiency testing (PT). AccuStandard was one of the first companies accredited by NIST/NVLAP (Lab Code 200389-0) to offer Proficiency Tests. The AccuStandard brand is on over 30,000 current products.

The successful partnership between the thousands of loyal customers and the AccuStandard family has produced the widest product selection and the most satisfying customer service in the Chemical Reference Standards business. In the years since 1986, the company has grown to the optimum size for customer service. With 60 people (1/3 are degreed chemists), we are large enough to have the resources to support your needs, and small enough to respond quickly.

The AccuStandard brand is on over 35,000 current products. Compare us to companies in the business with a few hundred or a few thousand products, as well as to those companies that carry standards as merely one of hundreds of lab supply products. AccuStandard is the expert because it focuses on Chemical Reference Standards. AccuStandard was one of the first companies accredited by NIST/NVLAP.

To satisfy and continue this growth AccuStandard operates out of a modern 34,000 square foot manufacturing facility.