AttachmenPtesrftoluLoertotcetratnoe CS.ulAfouneartedaStteuddiMesay 4, 2000 AR 2o- 09h SEHR -0800- 373 apg pnd Acute Toxicity 1) APrnojAeccuttNeo.Inh7a8l-a7t1i8o5n,ToDxeiccietmybeSrtu3d1y, of T-2306 CoC 1979.

BACK TO MAIN STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC-116, FC-126, FC-169, or FC-143.

TOXICITY TO AQUATIC PLANTS (Freshwater Diatom, Navicula pelliculosa) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample obtained from 3M production lot number 217.

Kathrrhw E.R e d , Ph.D.

Monsanto* Material Safety Data POLYCHLORINATED BIPHENYLS (PCBs) Emergency Phone No.

IN THE UNITED STATES DISTRICT COURT FOR THE NORTHERN DISTRICT OF ALABAMA SOUTHERN DIVISION ANTONIA TOLBERT, et al. , Plaintiffs, CIVIL ACTION NO.

00001 1 2 2009-08-26 Paton, dimming Depo in Appleton IN THE UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF WISCONSIN GREEN BAY DIVISION 3 APPLETON PAPERS INC. and NCR CORPORATION, 4 Pi aintiffs, 5 vs.

III TALEN MONTANA Table 3: Annual Costs of Control Options at Colstrip to Meet the Proposed 0.010 lb/MNIBtu fPMI Limit (B&MI Class 5 Feasibility' Estimates) Total (EPA)57 Baeouse (EPA)59 Upstream ESP (B&M) 0.1 *W Upstream FE (B&M) Wet ESP (B&M) Reheat ESP (B&M) Reheat FF (B& M) Installed Capital Cost $486.OM $404.9M $744.5M $263.5M $351.2M Annualized Cost of Controls $77.3-$93.2M S38,051,172 S87.4M S78.OM 5104.9M 541.8M S56.5M Table 4: Annual Costs of Control Options at Colstrip to Meet the Proposed 0.010 lb/MNIBtu fPMI Limit (B&M Estimates Using EPA Cost Approach) Installed Total (EPA)6 %house (EPA)" f Capital Cost L Upstream ESP (R&M) $406.1M Upstream FF (B&M) $338.3M Wet ESP (B&M) $622.2M Reheat ESP (B&M) $220.2M Reheat FF (B&M) $293.4M Annualized --I Cost of Controls $77.3-593.2M $38,051,172 S77.8M S70.1M 590.4M 536.6M 549.7M Table 7.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 4 ATLANTA FEDERAL CENTER 61 FORSYTH STREET ATLANTA, GEORGIA 30303-8960 VIA ELECTRONIC MAIL Chris Georges Environmental Health & Safety Manager OFS Fitel, LLC 2000 Northeast Expressway Norcross, Georgia 30071 CGeorges@ofsoptics.com Re: OFS Fitel, LLC - Norcross, Georgia Notice of Potential Violation and Opportunity to Confer Dear Chris Georges: Information currently available to the U.S.

RCRA COMPLIANCE EVALUATION INSPECTION REPORT 1) Inspector and Author of Report Hctor M.

AR226-2267 A .

AR226-2516 LJ.

TRADE SECRET AR226-3208 DuPont-8864 Study Title H-25124: Com)sitex7nF!

.

Taft/ Taft Stettinius & Hollister LLP f 425 Walnut Street, Suite 1800/ Cincinnati, OH 45202-3957 / Tel : 513 .381 .2838 / Fax : 513 .381 .0205 /www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing ROBERT A.