Federal Register - August 26, 2021
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Source: Federal Register
Federal Register / Vol. 86, No. 163 / Thursday, August 26, 2021 / Proposed Rules
jbell on DSKJLSW7X2PROD with PROPOSALS3
ii Stable riffles and runs with substrate composed of cobble, gravel, and fine sediments;
iii Channel catfish Ictalurus punctatus, flathead catfish Pylodictus olivaris, and tadpole madtom Noturus gyrinus present; and iv Water quality parameters within the following ranges:
A Dissolved oxygen >2 mg/L;
B Salinity <2 ppt;
C Total ammonia <0.77 mg/L total ammonia nitrogen;
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D Water temperature <29 C 84.2
F; and E Low levels of contaminants.
3 Critical habitat does not include manmade structures such as buildings, aqueducts, runways, roads, and other paved areas and the land on which they are located existing within the legal boundaries on EFFECTIVE DATE OF
THE FINAL RULE.
4 The maps in this entry, as modified by any accompanying regulatory text, establish the boundaries of the critical habitat designation. The
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coordinates or plot points or both on which each map is based are available to the public at http
www.regulations.gov under Docket No.
FWSR2ES20190061.
5 Note: An index map of the critical habitat designations for the Central Texas mussels, which includes the Texas pimpleback, can be found in this paragraph f at the entry for the Guadalupe fatmucket. An index map of critical habitat units for the Texas pimpleback follows:
E:FRFM26AUP3.SGM
26AUP3
