GAC20 definition

GAC20 means granular activated carbon filter beds with an empty-bed contact time of 20 minutes based on average daily flow and a carbon reactivation frequency of every 240 days.
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GAC20 means granular activated carbon filter beds with an empty-bed contact time of twenty minutes based on average daily flow and a carbon reactivation frequency of every two hundred forty days.
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GAC20 means granular activated carbon filter beds with an empty-bed contact time of 20 minutes based on average daily flow and a carbon reactivation frequency of every 240 days. (40 C.F.R. §141.2 (July 1, 2011))
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Examples of GAC20 in a sentence

  • For compliance with the MCLs for TTHM and HAA5 as LRAAs, the following are the BATs: enhanced coagulation or enhanced softening, plus GAC10; GAC20, as defined in section 5-1.1 of this Subpart; or nanofiltration with a molecular weight cutoff less than or equal to 100 Daltons.

  • This step is implemented similarly to the “GAC10 + Settled Water Ozone” step except that GAC20 is used instead of GAC10.

  • Therefore technologies shift toward more advanced treatments due to the operational difficulties of ozone and chlorine dioxide.• GAC20 is judged to be preferred over GAC10 for smallest systems.With no additional Crypto inactivation requirements, slightly less overall use of advanced technologies is predicted for small systems.

  • I / We want to receive redemption/ dividend proceed by cheque / demand draft.

  • This ISE Agreement constitutes the entire agreement between the parties with respect to its subject matter.

  • The “GAC20 + Raw Water Ozone” step applies to all plants with initial technology level less than or equal to “GAC20 + Raw Water Ozone,” except for:• Softening plants• Small systemsThis step is implemented in the same manner as the “GAC10 + Raw Water Ozone” step, except a GAC20 system is added instead of a GAC10 system.

  • The question is, simply, ‘does the prolific use of drones in Afghanistan comply with IHL?’ not ‘are drones better or worse than another weapon?’.

  • The “GAC20 + Chlorine Dioxide” step applies to all plants with initial technology level less than or equal to the “GAC20 + Chlorine Dioxide,” except for:• Plants with ozone in initial process trains (such plants would skip directly to the “GAC20 + Raw Water Ozone” decision tree step) • Softening plants• Small systemsThis step is implemented in the same manner as the “GAC10 + Chlorine Dioxide” step, except a GAC20 system is added instead of a GAC10 system.

  • Total haloacetic acids--enhanced coagulation and GAC10, or GAC20; with chlorine as the primary and residual disinfectant.

  • As for the target PPCPs, Filter 3 (10 cm sand/20 cm GAC/20 cm sand) had the best average removals for both COD and TOC.


More Definitions of GAC20

GAC20 means granular activated car- bon filter beds with an empty-bed contact time of twenty minutes based on average daily flow and a carbon reactiva- tion frequency of every two hundred forty days.
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GAC20 means granular activated carbon filter beds with an empty-bed contact time of twenty
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GAC20 means “GAC20” as defined in 40 CFR § 141.2, reprinted in Appendix B.
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GAC20 means granular activated carbon filter beds with an empty-bed contact time of 20 minutes based on average daily flow and a carbon reactivation frequency of every 240 days."Governmental entity" means the Commonwealth, a town, city, county, service authority, sanitary district or any other governmental body established under the Code of Virginia, including departments, divisions, boards or commissions.
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Related to GAC20

  • GAC10 means granular activated carbon filter beds with an empty-bed contact time of 10 minutes based on average daily flow and a carbon reactivation frequency of every 180 days, except that the reactivation frequency for GAC10 used as a best available technology for compliance with MCLs under subsection 9.2.1.2 shall be 120 days.

  • Drywell means an unlined or partially lined underground pit (regardless of geometry) into which drainage from roofs, basement floors, water softeners or other non-wastewater sources is discharged and from which the liquid seeps into the surrounding soil.

  • Maritime agency services means activities consisting in representing, within a given geographic area, as an agent the business interests of one or more shipping lines or shipping companies, for the following purposes:

  • Plinth means the portion of a structure between the surface of the surrounding ground and surface of the floor immediately above the ground.

  • Crosswalk means that part of a roadway at an intersection included within the connections of the

  • PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers as measured by a reference method based on 40 CFR Part 50 Appendix L and designated in accordance with 40 CFR Part 53 or by an equivalent method designated in accordance with 40 CFR Part 53.

  • asylum seeker means a person who is not under 18 and has made a claim for asylum which has been recorded by the Secretary of State but which has not been determined;

  • Maritime cargo handling services means activities exercised by stevedore companies, including terminal operators, but not including the direct activities of dockers, when this workforce is organised independently of the stevedoring or terminal operator companies. The activities covered include the organisation and supervision of:

  • Master plumber means an individual who possesses the necessary skills and qualifications to plan and supervise the installation of plumbing and who is licensed as a master plumber.

  • Front Yard means the yard extending across the full width of the lot between the front lot line and the nearest part of any building or structure on the lot.

  • Asset management means a systematic process of operating and maintaining the state system of