";s:4:"text";s:20782:"The Summa Canister is a commercially available sampling system. SUMMA Air Sampling Canisters are used for the collection of TO-14 and TO-15 compounds, as well as all other air samples. Sub-slab sampling points were installed to collect soil gas immediately below the slab at each of the seven indoor air sampling locations . The Summa canister port is then opened and the soil gas sample is pulled from the sampling bag and into the canister. Alternatively, the With the tightness testing complete, approximately 3 volumes of air is purged from the soil gas sampling point. i2 Analytical have added Summa canisters to its air monitoring capabilities to support its clients and projects in the UK and Europe. EQUIPMENT LIST: 1) Pre-cleaned and individually certified summa canister* Vapor phase intrusion (migration) of volatile organic compounds (VOCs) and inorganic compounds can impact indoor air quality. The air sampling pump is not used for Summa canister sampling of soil gas. A schematic diagram and photograph of a soil vapor sampling apparatus for collecting samples in Summa canisters is depicted in Figure 7-34 and includes the following major elements: the vapor probe tubing, a vacuum gauge, sample tubing (inert tubing such as Teflon, nylon, or stainless-steel), a flow controller, Summa canister, and gas-tight fittings. The 6L Summa canister has a volume about the size of a basketball, whereas the mini-can has an approximate volume of a baseball. Specifications: 0.45/1/3/6/15L. Soil gas samples should be collected in areas above where volatile chemical contamination in the soil or groundwater has been identified. A smaller canister size allows shorter sampling times when collecting based on flow rate, such as soil gas, which improves efficiency, reducing the amount of tracer gas needed. TO-15 specifies Gas Chromatograph/Mass Spectrometer (GC/MS) analysis of samples from evacuated stainless-steel “Summa” canisters. The cleaning process is certified by filling a canister with a clean gas (e.g., nitrogen) and then analyzing the gas using method TO-14 or TO-15. The use of Summa-Canister® is particularly helpful when extreme … Each canister has a flow regulator and vacuum gauge between the vapor well and the canister. Calscience offers 1L and 6L SUMMA canisters. The laboratory cleans the Summa canisters after each use. Gas Canisters - Sampling Flexibility •Sampling device can be set for 4 or 8 hours with a 1.41 canister •For sampling periods up to 3 days a 6 litre canister is used •Sampling device is weather proof •Can be used for perimeter, ambient air and indoor air monitoring Ambient air set-up 1.2.2.4. (1) Analog Gauge Each sampling train consists of a 6 Liter Summa@ canister, a pre-attached flow controller, and a stainless steel trap (25.1) along with all necessary connections, plugs, filters, and instructions. Other field air monitoring devices, such as the combustible gas indicator (MSA CGI/02 Meter, Model 260) and the Organic Vapor Analyzer (Foxboro If canisters are being used to collect the soil vapor sample, be aware that a gauge on the Summa canister measures the vacuum in the canister, not the vacuum applied to the soil vapor probe, so an additional gauge must be emplaced in the sampling train between the flow regulator on the canister and the probe (Figure G-12). canisters by air, Holding time for H2S, Use of Silco Canisters; Trip Blanks Michael Tuday, Columbia Analytical (15 minutes, followed by open discussion) Power Point 3:00 – 3:15 Break 3:15 – 3:55 Results from the EPA 2007 Workshop on Soil Gas Sampling & Analysis Methods and from Recent EPA Research Programs on Soil Gas Methods. The flow controllers are pre-cleaned and typically adjusted for a one hour sampling event. This method is applicable to measure soil vapour The sample may be stored in tedlar bags, drawn through sorbent cartridges, or analyzed directly using a direct reading instrument. ... Canisters and Analyzed by Gas Chromatography/Mass Spectrometry, 2.1.3 Sub-Slab Soil Gas Sampling . Sample identification tags shall be attached to the canister using Samples that will be transferred to Summa canisters will be collected in clean, dedicated Tedlar bags. Custody seals should not be placed on the canisters due to VOCs that may out-gas from the adhesives. Inert, small diameter tubing, ... Sub-slab soil gas and indoor air concentrations collected from homes with unsealed sump pits should be assessed to determine whether the default attenuation factor of 0.1 is protective of the ... probe and sampling canister. Sampling is achieved by soil gas equilibration with the evacuated Summa canister. To the right is a schematic of a 6L SUMMA canister. 7.5 - Piezometer Construction But because soil-gas concentrations at source areas are so high relative to indoor air, smaller, less costly containers might […] We offer a variety of sampling train and vacuum gauge configurations that can be customized upon request to accommodate your site specific monitoring requirements. Sub-slab gas samples were collected using a 6-Liter Summa™ canister fitted with a flow orifice pre- calibrated to collect a 6-Liter sample over a 24-hour period. (1) Flow controller/ regulator For time-integrated indoor air or ambient air sample. Using the large and cumbersome 6-liter summa canister adds additional expense in shipping, and exposes the analytical results to potential false negatives. From our highly skilled laboratory, we can provide a standard 5 day turnaround with a faster 3 day turnaround available upon request depending on laboratory capacity. Soil gas samples must be collected from a depth at least three feet below the ground surface or building foundation, but above the saturated zone. Our inventory includes over 3,500 SUMMA TM canisters and flow controllers. It is often used in preliminary investigations for site contamination works in conjunction with groundwater & soil monitoring. Calibrated to specs, do not disassemble. Landfill Gas Sampling - Summa Canisters & Landtec GEM 2000 Landfill Gas Analyzer Blaine Tech performs soil vapor sampling in compliance with current standards and protocols using tracer gas, shrouds, lung boxes, and vacuum leak tests. The canisters are the most important part of the whole air VOC analysis. Active Soil Gas Sampling Procedure . The Summa canisters used for soil-gas sampling have a one to six liter sample capacity. Chemical Weapons Detection – Exhaled breath not only contains high concentrations of carbon dioxide and water vapor, but also contains a signature of all chemicals in the blood that have at least some vapor pressure to allow their exchange from the blood into the exhaled breath through the alveoli in the lungs. Calculate the volume of soil vapor necessary to purge Air / Summa Canisters (Soil Gas) Parameters Volatile Organic Compounds Air / Summa Canisters (Indoor Air) Volatile Organic Compounds Lab Name/I vocation Lancaster Laboratories 2425 New Holland Pike Lancaster, PA 17601 (717) 656-2300 Datachem Laboratories 960 West Levoy Drive Salt Lake City, Utah 84123 (801)266-7700 SUMMA canisters come in sizes ranging from 400 ml to greater than 6L. The gas contained in the interstitial spaces of the soil is sampled by pulling the sample through the probe using an air sampling pump. GENERAL PROVISIONS: This is the default procedure to be followed when installing and sampling active soil gas monitoring points. Larger canisters are available for sampling periods in excess of 24-hours. ADC2.1265 1.0 INTRODUCTION Presented herein is the Site Quality Assurance Project Plan (QAPP) for the sampling event to be SUMMA Air Sampling Canister. Custody seals should be placed on the outside of canister shipping containers. Summa Canister Sampling Soil Gas Sampling Charcoal Tube Sampling in Ambient Air RST Region 1) version 2000.4 7/01 . ITEM (1) Summa or Silco canister Cleaned, certified, leak checked. In addition, glycols used in the bath are difficult to completely remove from the surface, creating aldehyde and alkene breakdown products to appear over time. Once Soil Vapor Sampling. Individually cleaned and certified Summa® canisters with individual 200 mL/min flow ... gas concentration beneath shroud on sampling form. Regulatory agencies may require that samples collected by this method samples be analyzed within 30 days. Canister sampling can … over 10 years’ experience with soil vapour sampling, obtained NATA accreditation for the sampling of gases using summa canisters according to in-house method LTM-AIR-1020 - Soil Gas Sampling including leak testing of sub-surface locations using helium as a tracer. SUMMA® manufacturing challenges: The NiCrOx canister coating quality is subject to bath degradation from increased levels of iron released from previous canisters. It can take grab samples intermittently, or over a period of time. Soil-gas sampling using Summa-Canister® Summa-Canister® is a stainless steel container which the internal surfaces have been treated (summa process) to avoid adsorption of compounds. SUMMA canisters has been shown to be stable for up to 30 days2. Shown are the sample valve (1), inlet (2), and vacuum/pressure gauge (3). Alternative methods may be proposed and approved by DNREC-SIRS on a case by case basis. The port on the Summa canister is then closed before disconnecting it from the Tedlar bag. Air / Gas Sampling & Handling Products. Shallow Probe Installation. Supelco offers a range of samplers, adsorbents, standards, and chromatography columns for air monitoring and analysis of contaminants. Summa canisters. Soil gas is usually analyzed with the same methods used for indoor air, which in the U.S., generally means EPA Method TO-15. Canisters are well-suited for many types of sampling, including, but certainly not limited to, indoor air quality (IAQ), landfill/soil gas, stack gas, product off-gassing, product quality testing, product liability testing, and emergency response. (1) Critical Orifice Assembly (COA) For time-integrated soil gas, sub-slab, SVE system, or other vapor sample. Sampling Instructions QTY. 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