2013-12-12_REVISION - M1990057 - Laserfiche WebLink

Home Browse Search

The Leodville Mill Environmental Sampling Procedures Sampling Protocols Page 1 -3 representative amount of DS /DI water through the decontaminated sample collection container and filtering apparatus (if appropriate) and adding the appropriate preservative. The appropriate sample number shall be written on the sample label, and the label shall be placed on the bottle. C Field External Contamination Blank (FECB) - A FECB is a sample bottle containing DS /DI water that is "sampled" through an unused filter and is prepared at the sample site. A FECB is prepared by processing a representative amount of DS /DI water through the decontaminated filtering apparatus (if appropriate) using a clean, unused filter. The appropriate sample number shall be written on the sample label, and the label shall be placed on the bottle. The sampler shall record the filter name and lot number in the logbook. • Blind Bottle Blank (BBB) - A BBB is a sample bottle containing DS /DI water and preservatives and is prepared in the field laboratory. A BBB is contained in a sample bottle randomly chosen from the lot of bottles received from the supplier. A BBB is prepared by the same protocols as a normal sample but is not exposed to any "field conditions" or sampling equipment. The appropriate sample number shall be written on the sample label, and the label shall be placed on the bottle. This QC sample is not required if pre - cleaned sample containers and certification are supplied by the analytical laboratory. • Blind Field Duplicate (BFD) - A BFD consists of split samples taken at the same location and time but placed in different sample containers for separate analysis. Each duplicate shall be analyzed for identical chemical parameters. A BFD is prepared as follows: 1. Collect an adequate volume of sample to accommodate two sample containers; 2. Process the samples as per appropriate SOP for surface water, groundwater or soil sample collection for each duplicate; 3. Label the two sample containers with appropriate sample numbers; and 4. Record duplicate number, sample number, and sample location in the field book. • Trip Blank (TB) Sample - A TB sample is only required when volatile organic analyses are requested. The TB sample is prepared by the laboratory and consists of a sample bottle filled with Type II reagent water, transported to the site, handled like a sample and returned unopened to the laboratory for analysis. One trip blank per day shall be prepared and shipped with samples taken that day. April 2013