Mtca method a groundwater
Webb. Groundwater Cleanup Standards Method CUL Based on: Generic TPH CUL as discussed in Ecology's Model Remedies for Sites with Petroleum Contaminated Soils (Pub. No. 16-09-057). MTCA Method B - human direct contact, cancer MTCA Method B - human direct contact, non-cancer MTCA Method B - human direct contact, non-cancer '-, WebListed in the MTCA Method A Table 720-1, ... Calculated for groundwater (WAC 173-340-720), surface water (WAC 173-340-730), soil (WAC 173-340-740, WAC 173-340-745), …
Mtca method a groundwater
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Web16 apr. 2024 · MTCA Cleanup Regulations (also called the MTCA Cleanup Rule) applies to all cleanups, whether they're upland cleanups on land or in groundwater, or sediment … WebGroundwater Method A . 0.1 µg/L MTCA Table 720 -1 . Groundwater Method B (2) 0.2 µg/L Maximum Contaminant Level . Groundwater Method C (2) 0.2 µg/L Maximum Contaminant Level . Surface Water Method B . 1.6E-05 µg/L Fresh and Marine Water EPA 40 CFR 131.45 . Surface Water Method C :
WebListed in the MTCA Method A Table 720-1, ... Calculated for groundwater (WAC 173-340-720), surface water (WAC 173-340-730), soil (WAC 173-340-740, WAC 173-340-745), and air (WAC 173-340-750) using equations and procedures identified under MTCA Method B unrestricted land use or Method C for qualifying site uses and conditions (e.g., industrial). WebMTCA Method B MTCA Method C 0.69 µg/L or 3.3 µg/L 0.69 µg/L or 3.3 µg/L (a) All cleanup levels calculated using a BCF = 31 liters/kg. (b) Method C cleanup levels …
WebMethod A Notes.doc . Notes on the Development of Method A Cleanup Levels WAC 173--340-720, 740, and 745 . The following tables were prepared as part of the rule-making … Web2006) details groundwater sampling from existing wells, and the use of a geoprobe to collect soil samples at the site of the USTs and the diesel and waste oil piping. Samples were collected at or near the groundwater interface. Analytical results found four subsurface locations north and west of the USTs where MTCA Method A clean-up
WebMTCA regulations (WAC 173-340-390) specify that Ecology must identify the circumstances under which application of a model remedy meets the requirements for selection of …
WebMTCA Method C cleanup equations are based on adult exposure and do not incorporate early-life exposure (ELE) adjustments using ADAFs. However, if a non-industrial site … is isaac newton frenchWebThese tools allow you to calculate cleanup levels for two media: Soil using MTCA Methods B or C, and. Groundwater using MTCA Method B. These cleanup levels protect against … is isaac newton aliveWebreported MTBE concentrations above the proposed MTCA Method A cleanup level of 20 µg/L. The highest MTBE concentration reported was 7150 µg/L. The average concentration of all samples, which equaled or exceeded the threshold concentration of 1 µg/L, was 441 µg/L, with a median of 13 µg/L. Detection rates for the BTEX components keplin large electric heated throw blanketWebGroundwater at the Site will not be used for human consumption or irrigation. Farallon conducted a Phase I Environmental Site Assessment (Phase I ESA) the Site in of ... (MTCA) Method A cleanup level of 20 mg/kg for unrestricted land use, and less than or similar to the naturalbackground concentration for the Puget Sound area of 14.6 kepner and tregoe decision makingWeb20 apr. 2015 · 4 Either use a) the Method A cleanup level in Table 720 -1 for groundwater, and Tables 740 1 or 745 1 for soil (as appropriate); or b) determine cleanup levels using the equations in MTCA sections 720, 740, or 745. See Ecology’s CLARC tables for pre-calculated Method B and C concentrations for groundwater. isis abbreviationWebBelow are the MTCA Method B and C cleanup levels protective of soil direct contact and ingestion of potable groundwater for uranium, soluble salts using the ATSDR oral MRL of 0.0002 mg/kg -day. Soil • Method B – 16 mg/kg • Method C – 700 mg/kg Groundwater • Method B – 3.2 µg/L • Method C – 7 µg/L is isaac the father of jacobWebRiver in the southwestern portion of the Spokane Valley.2 Groundwater is approximately 70 feet below ground surface, however, this aquifer does not appear to be connected to ... cadmium still exceeded Ecology MTCA Method A Cleanup Levels.2 Additional excavation and sampling was conducted to a depth of 15 feet and analytical results is isaak presley related to elvis