Common use of Sample Identification and Custody Clause in Contracts

Sample Identification and Custody. Sample custody procedures for this program are based on EPA recommended procedures. Seller is responsible for ensuring that proper custody and documentation procedures are followed for the field sampling and field analytical efforts. All sampling data, including information regarding sampling times, locations, and any specific considerations associated with sample acquisition are recorded in black ink on pre-formatted data sheets. Copies of completed field data sheets will be provided at the end of each day of testing. Following sample collection, all samples are given a unique alphanumeric sample identification (ID) code. Sample labels and integrity seals are completed and affixed to the sample container. An example sample ID is as follows: Test Method – Run Number – Sample Container (component) – Date/Time -- Location M29 -- 3 -- 5C (HCl) 8-25-08/8AM cyclone The remaining samples are stored in a secure area until shipment. The sample volumes are determined and recorded and the liquid levels on each bottle are marked. All samples are packed and shipped according to U.S. Department of Transportation guidelines. As the samples are packed for shipment to the appropriate laboratories, chain-of-custody forms are completed for each shipment box, and these forms are enclosed in each respective box. Samples will be held by the laboratories for the maximum holding periods.

Sample Identification and Custody. Sample custody procedures for this program are based on EPA recommended procedures. Seller is responsible for ensuring that proper custody and documentation procedures are followed for the field sampling and field analytical efforts. All sampling data, including information regarding sampling times, locations, and any specific considerations associated with sample acquisition are recorded in black ink on pre-formatted data sheets. Copies of completed field data sheets will be provided at the end of each day of testing. Following sample collection, all samples are given a unique alphanumeric sample identification (ID) code. Sample labels and integrity seals are completed and affixed to the sample container. An example sample ID is as follows: Test Method – Run Number – Sample Container (component) – Date/Time -- – Location M29 -- – 3 -- – 5C (HCl) 8-25-08/8AM cyclone The remaining samples are stored in a secure area until shipment. The sample volumes are determined and recorded and the liquid levels on each bottle are marked. All samples are packed and shipped according to U.S. Department of Transportation guidelines. As the samples are packed for shipment to the appropriate laboratories, chain-of-custody forms are completed for each shipment box, and these forms are enclosed in each respective box. Samples will be held by the laboratories for the maximum holding periods.. Exhibit 10.50(c) to Form 10-Q for the Quarter Ended September 30, 2008 filed by ADA-ES, Inc. (File No. 000-50216) on November 7, 2008

Sample Identification and Custody. Sample custody procedures for this program are based on EPA recommended procedures. Seller is responsible for ensuring that proper custody and documentation procedures are followed for the field sampling and field analytical efforts. All sampling data, including information regarding sampling times, locations, and any specific considerations associated with sample acquisition are recorded in black ink on pre-formatted data sheets. Copies of completed field data sheets will be provided at the end of each day of testing. Following sample collection, all samples are given a unique alphanumeric sample identification (ID) code. Sample labels and integrity seals are completed and affixed to the sample container. An example sample ID is as follows: Test Method – Run Number – Sample Container (component) – Date/Time -- — Location M29 -- 3 -- 5C (HCl) 8-25-08/8AM cyclone The remaining samples are stored in a secure area until shipment. The sample volumes are determined and recorded and the liquid levels on each bottle are marked. All samples are packed and shipped according to U.S. Department of Transportation guidelines. As the samples are packed for shipment to the appropriate laboratories, chain-of-custody forms are completed for each shipment box, and these forms are enclosed in each respective box. Samples will be held by the laboratories for the maximum holding periods.

Sample Identification and Custody. Sample custody procedures for this program are based on EPA recommended procedures. Seller is responsible for ensuring that proper custody and documentation procedures are followed for the field sampling and field analytical efforts. All sampling data, including information regarding sampling times, locations, and any specific considerations associated with sample acquisition are recorded in black ink on pre-formatted data sheets. Copies of completed field data sheets will be provided at the end of each day of testing. Following sample collection, all samples are given a unique alphanumeric sample identification (ID) code. Sample labels and integrity seals are completed and affixed to the sample container. An example sample ID is as follows: Test Method – Run Number – Sample Container (component) – Date/Time -- – Location M29 -- – 3 -- – 5C (HCl) 8-25-08/8AM cyclone The remaining samples are stored in a secure area until shipment. The sample volumes are determined and recorded and the liquid levels on each bottle are marked. All samples are packed and shipped according to U.S. Department of Transportation guidelines. As the samples are packed for shipment to the appropriate laboratories, chain-of-custody forms are completed for each shipment box, and these forms are enclosed in each respective box. Samples will be held by the laboratories for the maximum holding periods.. Exhibit 10.50(a) to Form 10-Q for the Quarter Ended September 30, 2008 filed by ADA-ES, Inc. (File No. 000-50216) on November 7, 2008

Sample Identification and Custody. Sample custody procedures for this program are based on EPA recommended procedures. Seller is responsible for ensuring that proper custody and documentation procedures are followed for the field sampling and field analytical efforts. All sampling data, including information regarding sampling times, locations, and any specific considerations associated with sample acquisition are recorded in black ink on pre-formatted data sheets. Copies of completed field data sheets will be provided at the end of each day of testing. Following sample collection, all samples are given a unique alphanumeric sample identification (ID) code. Sample labels and integrity seals are completed and affixed to the sample container. An example sample ID is as follows: Test Method – Run Number – Sample Container (component) – Date/Time -- – Location M29 -- – 3 -- – 5C (HCl) 8-25-08/8AM cyclone The remaining samples are stored in a secure area until shipment. The sample volumes are determined and recorded and the liquid levels on each bottle are marked. All samples are packed and shipped according to U.S. Department of Transportation guidelines. As the samples are packed for shipment to the appropriate laboratories, chain-of-custody forms are completed for each shipment box, and these forms are enclosed in each respective box. Samples will be held by the laboratories for the maximum holding periods.. Exhibit 10.50(d) to Form 10-Q for the Quarter Ended September 30, 2008 filed by ADA-ES, Inc. (File No. 000-50216) on November 7, 2008

Sample Identification and Custody. Sample custody procedures for this program are based on EPA recommended procedures. Seller is responsible for ensuring that proper custody and documentation procedures are followed for the field sampling and field analytical efforts. All sampling data, including information regarding sampling times, locations, and any specific considerations associated with sample acquisition are recorded in black ink on pre-formatted data sheets. Copies of completed field data sheets will be provided at the end of each day of testing. Following sample collection, all samples are given a unique alphanumeric sample identification (ID) code. Sample labels and integrity seals are completed and affixed to the sample container. An example sample ID is as follows: Test Method – Run Number – Sample Container (component) – Date/Time -- – Location M29 -- – 3 -- – 5C (HCl) 8-25-08/8AM cyclone The remaining samples are stored in a secure area until shipment. The sample volumes are determined and recorded and the liquid levels on each bottle are marked. All samples are packed and shipped according to U.S. Department of Transportation guidelines. As the samples are packed for shipment to the appropriate laboratories, chain-of-custody forms are completed for each shipment box, and these forms are enclosed in each respective box. Samples will be held by the laboratories for the maximum holding periods.. Exhibit 10.50(b) to Form 10-Q for the Quarter Ended September 30, 2008 filed by ADA-ES, Inc. (File No. 000-50216) on November 7, 2008