ANALYTICAL REPORT

• MERCURY

(EPA METHOD 30B)

 PLANT: COGENTRIX SCRUBGRASS

 CLIENT: BLUE MOUNTAIN ENVIRONMENTAL

 OBJECTIVE:

TEST DATE: MARCH 22-23, 2010

Units 1 & 2 Common Stack






 Report Summary

CLIENT INFORMATION: Scott Williams Analyst: IVA Resolution Analytics, Inc.

Blue Mountain Environmental File: hg 2733 Lee Ave

1191 Pittsburgh Rd. Job Name: Combuster 1 & 2 Sanford, NC 27332

Valencia, PA 16059 Plant Name: Cogentrix Scrubgrass Phone: (919) 774-5557

Phone: (724) 898-4500 PO #: Fax: (919) 776-6785

Total Catch

(ng)

Run 1: Tube A 12.2 14.3%

Run 1: Tube B 10.6 2.22% 96.8%

Run 2: Tube A 18.0 2.20%

Run 2: Tube B 13.1 0.79% 90.3%

Run 3: Tube A 12.3 3.58%

Run 3: Tube B 7.02 0.58% 89.5%

Sample ID Breakthrough Spike Recovery

Avg. Spike Recovery: 92.2%
Analytical Narrative RFA # 042510 Page 1 of 1

Client/Plant Name: Blue Mountain Environmental Date Rec'd in lab: 03/25/2010

Analyst: IVA Date of Analysis: 04/15/2010

 Analysis Method: EPA Method 30B Analyte(s): Mercury

Sample Matrix & Components:

Iodinated charcoal sorbent tubes

Summary of Sample Prep:

Analytical and quality assurance procedures in EPA reference method 

30B were utilized for this project.

Sample components were analyzed by direct combustion paired with an

atomic absorbance spectrophotometer. 

Summary of Instrumentation:

SPEX 5100 Mixer Mill

DMA-80 Mercury Analyer

Denver Instruments PI-114 Balance

Analytical Detection Limit(s): Mercury 0.174 ng

Summary of Field Spike Recovery Analyses:

See data sheet for field spike recoveries.

Miscellaneous Comments Regarding Sample Analysis: (Note unusual catch weights, interferences, odd 

sample behavior, and steps taken to confirm unusual results. Also note any deviations from standard analytical 

procedures, together with justification and possible affect on results. Specify samples when applicable.)

None.
Mercury (EPA Method 30 B) Analytical Data Sheet

CLIENT INFORMATION: Scott Williams Analyst: IVA Resolution Analytics, Inc.

Blue Mountain Environmental File: hg 2733 Lee Ave

1191 Pittsburgh Rd. Job Name: Combuster 1 & 2 Sanford, NC 27332

Valencia, PA 16059 Plant Name: Cogentrix Scrubgrass Phone: (919) 774-5557

Phone: (724) 898-4500 Fax: (919) 776-6785

Calibration Data Calculation

Quadratic Regression

Std Concentrations Peak Calculated % of y=Ax2+Bx+C

(ng) Height Conc True Value a: -0.0007956 Method Det Limit: 0.174 ng

1.00 0.0591 0.994 -0.55% b: 0.0537533 Anal. Bias Limits (Hg 0): 0.002-10 μgs

3.00 0.1586 2.96 -1.31% c: 0.0064308 Anal. Bias Limits (Hg 2+): 0.002-10 μgs

6.00 0.3027 6.05 0.90%

9.00 0.4268 9.03 0.29% r2= 0.9999

13.0 0.5712 13.0 0.10%

20.0 0.7596 19.8 -0.83% Abs SCS Factor ∆γ − Side A: 1

25.0 0.8550 25.1 0.57% 0.4000 0.0305 13.1 ∆γ − Side B: 1

 F FACTOR (DSCF/MMBtu): STACK FLOW RATE (DSCFM):

 % OXYGEN:

*** FIELD SPIKE RECOVERY ***

METHOD %

LIMIT STATUS

AVERAGE FIELD SPIKE RECOVERY 92.2% 85-115% PASS

PO #:

Sub Cal Std
Field Sample Data

MEASURED SAMPLE ALIQUOT GLASS SAMPLE Hg EXPECT SPIKE SPIKE

Sample Hg MASS MASS ALIQUOT WOOL VOLUME CATCH SPIKE CATCH REC

ID (ng) (mg) (mg) FACTOR (ng) (L) ND (ng) (ng) (ng) (%)

Unit 2

Date Sampled: 3/22/2010

Date Analyzed: 4/15/2010

RUN 1: TUBE A PRIMARY 0.595 408.4 24.3 16.8 0.637 330.117 10.6

RUN 1: TUBE B PRIMARY 2.76 406.6 19.2 21.2 0.845 330.155 59.2 50.0 48.4 96.8%

RUN 1: TUBE A BREAKTHROUGH 0.163 406.2 66.0 6.15 0.523 ≈ 1.52 14.3% Breakthrough of Primary

RUN 1: TUBE B BREAKTHROUGH 0.172 404.1 77.4 5.22 0.418 ≈ 1.32 2.22% Breakthrough of Primary

RUN 1: TOTAL CATCH TUBE A: 12.2

RUN 1: TOTAL CATCH TUBE B: 10.6

Date Sampled: 3/22/2010

Date Analyzed: 4/15/2010

RUN 2: TUBE A PRIMARY 3.36 434.2 86.0 5.05 0.677 346.817 17.6

RUN 2: TUBE B PRIMARY 4.35 413.7 29.0 14.3 0.650 346.870 62.6 50.0 45.1 90.3%

RUN 2: TUBE A BREAKTHROUGH < 0.174 444.3 105.1 4.23 0.387 ≈ 0.387 2.20% Breakthrough of Primary

RUN 2: TUBE B BREAKTHROUGH < 0.174 408.9 92.3 4.43 0.494 ≈ 0.494 0.79% Breakthrough of Primary

RUN 2: TOTAL CATCH TUBE A: 18.0

RUN 2: TOTAL CATCH TUBE B: 13.1

Date Sampled: 3/23/2010

Date Analyzed: 4/15/2010

RUN 3: TUBE A PRIMARY 2.33 403.4 84.1 4.80 0.677 359.086 11.9

RUN 3: TUBE B PRIMARY 4.97 439.4 39.0 11.3 0.734 359.091 56.7 50.0 44.7 89.5%

RUN 3: TUBE A BREAKTHROUGH < 0.174 409.5 102.6 3.99 0.425 ≈ 0.425 3.58% Breakthrough of Primary

RUN 3: TUBE B BREAKTHROUGH < 0.174 433.8 80.9 5.36 0.328 ≈ 0.328 0.58% Breakthrough of Primary

RUN 3: TOTAL CATCH TUBE A: 12.3

RUN 3: TOTAL CATCH TUBE B: 7.02