NC0000361_Signature Authority_20150209

UNIMIN Corporate Environmental Affaft
Unimin Corporation
258 Elm St.
New Canaan,CT 06840
(Phone)800/223-2236 - (Fax)203/966-0351
February 9,2015
Wastewater Branch
Water Quality Permitting Section
Division of Water Resources
1617 Mail Service Center
Raleigh,NC 27699-1617 RECEIVEDIDENRIDWR
hLB 1 S 2015
Subject: Delegation of Signature Authority
Unimin Corporation—Schoolhouse Quartz Facility Water Quaff"
NPDES Number NC0000361 pennitti00 Sectio r
To Whom It May Concern:
By notice of this letter,I hereby delegate signatory authority to each of the following individuals for all
permit applications,discharge monitoring reports,and other information relating to the operations at
Unimin Corporation—Schoolhouse Quartz Facility as required by all applicable federal, state,and
local environmental agencies specifically with the requirements for signatory authority as specified in
15A NCAC 2B.0506.
Doug Myers Schoolhouse Quartz Plant Manager
Angela Poston Schoolhouse Quartz Plant Superintendent
Steve Wilson Quartz Environmental Supervisor
Mike Vencill Regional General Manager
If you have any questions regarding this letter,please contact Jeff Ferguson at(828)765-1114 ext. 1602.
Respectfully,
UNMIN CORPORATION
Andrew G.Bradle
SVP/Environmental Affairs
CC: EA Files,Doug Myers,Angela Poston,Mille Vencill,Steve Wilson
NCDWR Asheville Regional Office,2090 U.S.Hwy.70,Swannanoa,NC 28778
Water Quality Permitting Section, 1617 Mail Service Center,Raleigh,NC 27699-1617

UNIMIN Corporate Environmental Affairs
Unimin Corporation
258 Elm St.
New Canaan, CT 06840
(Phone)800/223-2236 - (Fax)203/966-0351
February 9, 2015
Wastewater Branch
Water Quality Permitting Section
Division of Water Resources
1617 Mail Service Center
Raleigh,NC 27699-1617
Subject: Delegation of Signature Authority
Unimin Corporation—Schoolhouse Quartz Facility RECEIVEDIDENR/DWR
NPDES Number NC0000361 FEB 2 7 2015
To Whom It May Concern: Water Quality
permitting Section
By notice of this letter, I hereby delegate signatory authority to each of the following individuals for all
permit applications, discharge monitoring reports,and other information relating to the operations at
Unimin Corporation—Schoolhouse Quartz Facility as required by all applicable federal, state, and
local environmental agencies specifically with the requirements for signatory authority as specified in
15A NCAC 2B.0506.
Doug Myers Schoolhouse Ouartz Plant Manager
Angela Poston Schoolhouse Quartz Plant Superintendent
Steve Wilson Quartz Environmental Supervisor
Mike Vencill Regional General Manager
If you have any questions regarding this letter,please contact Jeff Ferguson at(828) 765-1114 ext. 1602.
Respectfully,
UNI IN CORPORATION
Andrew G. Bradle
SVP/Environmental Affairs
CC: EA Files,Doug Myers,Angela Poston,Mike Vencill,Steve Wilson
NCDWR Asheville Regional Office,2090 U.S.Hwy.70,Swannanoa,NC 28778
Water Quality Permitting Section, 1617 Mail Service Center,Raleigh,NC 27699-1617