HAA5 definition

HAA5 means haloacetic acids (five).

Examples of HAA5 in a sentence

  • Systems may consider multiple wells drawing from a single aquifer as one treatment plant for determining the minimum number of TTHM and HAA5 samples required, with department approval in accordance with department guidance.

  • The department may return systems on increased monitoring to routine monitoring if, after one year, annual average results for TTHMs and HAA5 are less than or equal to 0.060 mg/L and 0.045 mg/L, respectively, or monitoring results are consistently below the MCLs indicating that increased monitoring is no longer necessary.

  • Dual sample sets are collected for the purposes of conducting an Initial Distribution System Evaluation (40 CFR Part 141, Subpart U) and for determining compliance with the TTHM and HAA5 MCLs under the Stage 2 Disinfection Byproducts Requirements (40 CFR Part 141, Subpart V).

  • The TTHM and HAA5 running annual averages are no greater than 0.040 mg/L and 0.030 mg/L, respectively, and the system uses only chlorine for primary disinfection and maintenance of a residual in the distribution system.

  • If more than one location exceeds the TTHM or HAA5 MCL, the system must include the locational running annual averages for all locations that exceed the MCL.

  • Beginning on the dates specified for compliance in 40 C.F.R. 141.620(c), compliance with the TTHMs and HAA5 MCLs shall be based on the LRAAs as required by 40 C.F.R. 141.64 (b)(2) and 40 C.F.R. 141.620(d).

  • Failure to monitor for TTHM, HAA5, or bromate will be treated as a violation for the entire period covered by the annual average where compliance is based on a running annual average of monthly or quarterly samples or averages.

  • All other water systems on annual monitoring, and systems using surface water or groundwater under the direct influence of surface water serving 500-3,300 are required to collect individual TTHM and HAA5 samples at the locations with the highest TTHM and HAA5 concentrations.

  • The subpart V MCLs for TTHM and HAA5 must be complied with as a locational running annual av- erage at each monitoring location be- ginning the date specified for subpart V compliance in § 141.620(c).

  • Systems using surface water or groundwater under the direct influence of surface water serving 500-3,300 may collect one dual sample set per monitoring period if the highest TTHM and HAA5 concentrations occur at the same location.

Related to HAA5

  • Panchayat means an institution (by whatever name called) of self-government constituted under article 243B, for the rural areas;

  • Swale means a shallow depression in the ground sloping to a place for disposal for the purpose of providing a method of drainage of surface water.

  • 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 once every 180 days, except that the reactivation frequency for GAC10 used as a best available technology for compliance with the TTHM and HAA5 MCLs monitored pursuant to section 64534.2(d) shall be once every 120 days.

  • EMMA means the Electronic Municipal Market Access system as described in 1934 Act Release No. 59062 and maintained by the MSRB for purposes of the Rule.

  • 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.

  • WADA means the World Anti-Doping Agency.

  • AT&T means AT&T Corp., a New York corporation.

  • Lacquer means a clear or opaque wood coating, including clear lacquer sanding sealers, formulated with cellulosic or synthetic resins to dry by evaporation without chemical reaction and to provide a solid, protective film.

  • OJEU means the Official Journal of the European Union.

  • HOD means Head of Department

  • Raffle means a lottery in which the prize is won by (i) a random drawing of the name or

  • €STR means, in respect of any TARGET Business Day, the interest rate representing the wholesale Euro unsecured overnight borrowing costs of banks located in the Euro area provided by the European Central Bank as administrator of such rate (or any successor administrator) and published on the Website of the European Central Bank (as defined below) at or before 9:00 a.m. (Frankfurt time) (or, in case a revised euro short-term rate is published as provided in Article 4 subsection 3 of the ECB €STR Guideline at or before 11:00 a.m. (Frankfurt time), such revised interest rate) on the TARGET Business Day immediately following such TARGET Business Day;

  • NI 51-102 means National Instrument 51-102 – Continuous Disclosure Obligations;

  • CESA means the California Endangered Species Act (Fish & G. Code, § 2050 et seq.) and all rules, regulations and guidelines promulgated pursuant to that Act.

  • ZAR means South African Rand, the lawful currency of South Africa.

  • LHSIA means the Local Health System Integration Act, 2006, and the regulations made under it, as it and they may be amended from time to time;