NC0000175_NCSU Fax_19940103

JAN- Z-94 M O N 16:32
North Carolina State University
College of Engineering I
Womb Rescuoh Labomtory
380 Core Avenue
AshevNe, N. C. 29803 U.S.A.
70411514155
Fax [phone]
TO: Farrel,,,1 Keough
Wa.ttr duality HanaYaement
FROM: James T. Tanner. Jr.
mcm M1ngra s Rertearah La oratory
M E S S A G E
MN OBAGIE
P . 0 1
UAW 3 1994
FAX NO: ( 919 ) 733 -9919
DA'V'E BENT: 113L94-
NO. OF PAGES$ 1
FAX NO: { 704
PHONES ( 704
North Toe River
a) low flow rate (7 day, 10 year) = 45 cu.ft /sec. . 29.25 Mg /day
b) permissible maximum lbs. of fl des per day
1. Unimin Corp. lb /day
2. K -T Feldspar 2 s /day
3. Feldspar Corp. = 22 1bs /day
4. Unimin at Harris Mining = = lbs /day
Total 707 lbs /day
C) Fluorides mg /lit a 707 X 454 X-10-3
29.25X 106 gal X 3785 lit& /gal
= 2.9 mg /lit
d) Law says these cannot be more than 1.8 mg /lit at any one time
Question: How do you arrive at the 1.8 number?
North Carolina State Univarsily is a land -grant university and a constituo"I invilhillo n uJ The t/nivorsity of North Carobna.