Table	3

Summary	of	Hexavalent	Chromium	Test	Results

ALCOA	Massena	-	East	Plant

Line	1	Exhaust

Massena,	New	York

Run	Identification Run	1 Run	2 Run	3 Average

Run	Date 30Apr13 30Apr13 01May13

Start/Stop	Time 1043/1501 1610/2026 0825/1230

Process	Rate

tons	of	Aluminum	produced/hr 5.12 5.12 5.12 5.12

Exhaust	Gas	Conditions

Temperature	(deg.	F) 83 85 87 85

Moisture	(volume	%) 0.7 1.0 0.9 0.9

Oxygen	(dry	volume	%) 20.90 20.90 20.90 20.90

Carbon	Dioxide	(dry	volume	%) 0.00 0.00 0.00 0.00

Volumetric	Flow	Rate

acfm 2,722 2,675 2,671 2,689

dscfm 2,605 2,542 2,543 2,563

Hexavalent	Chromium

mg/dscm 4.29E-05 1.53E-04 <6.51E-05 <8.71E-05

lb/hr 4.19E-07 1.46E-06 <6.20E-07 <8.33E-07

lb/	ton	of	Aluminum	produced 8.18E-08 2.85E-07 <1.21E-07 <1.63E-07

-Please	note	that	"<"	indicates	result	is	below	analytical	detection	limit

C:\PROGRA~2\Documentum\CTS\docbases\ProDocbase\config\temp_sessions\4301026855890392382\09000064819454fb
Method	0061-Data	Summary

ALCOA	Massena	-	East	Plant

Line	1	Exhaust

Massena,	New	York

Run	1 Run	2 Run	3

Traverse Stack Delta Delta Tm(F) SQRT Stack Delta Delta Tm(F) SQRT Stack Delta Delta	 Tm(F) SQRT

Point Temp(F) P H in out Delta	P Temp(F) P H in out Delta	P Temp(F) P H in out Delta	P

1 85 0.53 1.40 69 69 0.7280 85 0.53 1.40 78 76 0.7280 85 0.49 1.30 75 74 0.7000

1 85 0.53 1.40 70 69 0.7280 85 0.53 1.40 80 76 0.7280 85 0.49 1.30 75 74 0.7000

1 85 0.53 1.40 73 69 0.7280 85 0.53 1.40 80 77 0.7280 85 0.49 1.30 75 74 0.7000

1 85 0.53 1.40 75 69 0.7280 85 0.53 1.40 80 77 0.7280 85 0.49 1.30 76 74 0.7000

1 85 0.53 1.40 75 70 0.7280 85 0.53 1.40 80 77 0.7280 85 0.49 1.30 76 74 0.7000

1 85 0.53 1.40 76 71 0.7280 85 0.53 1.40 80 77 0.7280 85 0.49 1.30 76 74 0.7000

2 85 0.55 1.46 76 71 0.7416 85 0.56 1.48 81 77 0.7483 85 0.58 1.54 76 74 0.7616

2 85 0.55 1.46 76 71 0.7416 85 0.56 1.48 81 77 0.7483 85 0.58 1.54 76 74 0.7616

2 85 0.55 1.46 76 71 0.7416 85 0.56 1.48 81 77 0.7483 85 0.58 1.54 76 74 0.7616

2 85 0.55 1.46 77 72 0.7416 85 0.56 1.48 81 78 0.7483 85 0.58 1.54 76 74 0.7616

2 85 0.55 1.46 78 72 0.7416 85 0.56 1.48 80 78 0.7483 85 0.58 1.54 76 74 0.7616

2 85 0.55 1.46 78 73 0.7416 85 0.56 1.48 80 78 0.7483 85 0.58 1.54 76 74 0.7616

3 85 0.52 1.38 78 73 0.7211 85 0.46 1.22 81 78 0.6782 85 0.50 1.33 76 74 0.7071

3 85 0.52 1.38 79 74 0.7211 85 0.46 1.22 81 78 0.6782 85 0.50 1.33 76 74 0.7071

3 85 0.52 1.38 79 74 0.7211 85 0.46 1.22 81 78 0.6782 85 0.50 1.33 76 74 0.7071

3 85 0.52 1.38 79 74 0.7211 85 0.46 1.22 81 78 0.6782 85 0.50 1.33 77 74 0.7071

3 85 0.52 1.38 79 74 0.7211 85 0.46 1.22 81 78 0.6782 85 0.50 1.33 77 74 0.7071

3 85 0.52 1.38 80 75 0.7211 85 0.46 1.22 82 78 0.6782 85 0.50 1.33 77 74 0.7071

4 85 0.45 1.19 80 75 0.6708 85 0.49 1.30 82 78 0.7000 85 0.63 1.67 77 74 0.7937

4 85 0.45 1.19 80 75 0.6708 85 0.49 1.30 82 78 0.7000 85 0.63 1.67 77 74 0.7937

4 85 0.45 1.19 80 75 0.6708 85 0.49 1.30 82 78 0.7000 85 0.63 1.67 77 74 0.7937

4 85 0.45 1.19 80 75 0.6708 85 0.49 1.30 81 78 0.7000 85 0.63 1.67 77 74 0.7937

4 85 0.45 1.19 81 75 0.6708 85 0.49 1.30 81 78 0.7000 85 0.63 1.67 78 74 0.7937

4 85 0.45 1.19 82 76 0.6708 85 0.49 1.30 81 78 0.7000 85 0.63 1.67 78 75 0.7937

1 80 0.54 1.43 79 74 0.7348 84 0.49 1.30 78 77 0.7000 89 0.56 1.48 68 68 0.7483

1 80 0.54 1.43 80 75 0.7348 84 0.49 1.30 79 77 0.7000 89 0.56 1.48 72 68 0.7483

1 80 0.54 1.43 80 76 0.7348 84 0.49 1.30 79 77 0.7000 89 0.56 1.48 73 68 0.7483

1 80 0.54 1.43 79 76 0.7348 84 0.49 1.30 80 77 0.7000 89 0.56 1.48 74 71 0.7483

1 80 0.54 1.43 79 76 0.7348 84 0.49 1.30 80 77 0.7000 89 0.56 1.48 75 71 0.7483

1 80 0.54 1.43 80 76 0.7348 84 0.49 1.30 80 77 0.7000 89 0.56 1.48 75 72 0.7483

2 80 0.57 1.51 80 76 0.7550 84 0.56 1.48 80 77 0.7483 89 0.52 1.38 75 72 0.7211

2 80 0.57 1.51 80 76 0.7550 84 0.56 1.48 80 77 0.7483 89 0.52 1.38 75 72 0.7211

2 80 0.57 1.51 80 76 0.7550 84 0.56 1.48 80 77 0.7483 89 0.52 1.38 75 72 0.7211

2 80 0.57 1.51 80 75 0.7550 84 0.56 1.48 80 77 0.7483 89 0.52 1.38 75 73 0.7211

2 80 0.57 1.51 80 76 0.7550 84 0.56 1.48 80 77 0.7483 89 0.52 1.38 75 73 0.7211

2 80 0.57 1.51 80 76 0.7550 84 0.56 1.48 80 77 0.7483 89 0.52 1.38 76 73 0.7211

3 80 0.66 1.75 80 76 0.8124 84 0.66 1.75 80 77 0.8124 89 0.48 1.27 76 73 0.6928

3 80 0.66 1.75 80 76 0.8124 84 0.66 1.75 79 77 0.8124 89 0.48 1.27 76 73 0.6928

3 80 0.66 1.75 80 75 0.8124 84 0.66 1.75 79 77 0.8124 89 0.48 1.27 76 73 0.6928

3 80 0.66 1.75 80 76 0.8124 84 0.66 1.75 79 77 0.8124 89 0.48 1.27 76 73 0.6928

3 80 0.66 1.75 80 76 0.8124 84 0.66 1.75 78 77 0.8124 89 0.48 1.27 76 73 0.6928

3 80 0.66 1.75 79 76 0.8124 84 0.66 1.75 78 77 0.8124 89 0.48 1.27 76 74 0.6928

4 80 0.58 1.54 79 76 0.7616 84 0.48 1.27 78 77 0.6928 89 0.46 1.22 76 74 0.6782

4 80 0.58 1.54 80 77 0.7616 84 0.48 1.27 78 77 0.6928 89 0.46 1.22 76 74 0.6782

4 80 0.58 1.54 80 77 0.7616 84 0.48 1.27 78 76 0.6928 89 0.46 1.22 76 74 0.6782

4 80 0.58 1.54 80 77 0.7616 84 0.48 1.27 78 76 0.6928 89 0.46 1.22 76 74 0.6782

4 80 0.58 1.54 80 77 0.7616 84 0.48 1.27 79 77 0.6928 89 0.46 1.22 77 74 0.6782

4 80 0.58 1.54 80 77 0.7616 84 0.48 1.27 0.6928 89 0.46 1.22 77 74 0.6782

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

0.0000 0.0000 0.0000

Average 83 0.55 1.46 79 74 0.7407 85 0.53 1.40 80 77 0.7260 87 0.53 1.40 76 73 0.7254

Laboratory	Data Run	1 Run	2 Run	3

Filter	ID

Front	Half	Sample:

Filter	wt,	g

Acetone	rinse	volume,	ml

Acetone	wt,	g

F.H.	Total,	g 0.0000 0.0000 0.0000

Back	Half	Sample:

B.H.	Total,g

Acetone	Blank	Sample:

Acetone	blank	volume,	ml

Acetone	Blank	weight,	g 0 0 0

Acetone	weight	gain,g 0.0000 0.0000

Acetone	Blank	concentration #DIV/0! #DIV/0! #DIV/0!

0.001%		of	Acetone	Blank	Weight #DIV/0! #DIV/0! #DIV/0!

Weight	of	Sample	in	Acetone	Wash,	g #DIV/0! #DIV/0! #DIV/0!

Corrected	Acetone	Blank	Value,	g #DIV/0! #DIV/0! #DIV/0!

(F.H.	Total+B.H.	Total-Blank):

Total,	g #DIV/0! #DIV/0! #DIV/0!

C:\PROGRA~2\Documentum\CTS\docbases\ProDocbase\config\temp_sessions\4301026855890392382\09000064819454fb
	Test	Data	Summary	and	Calculations

ALCOA	Massena	-	East	Plant

Line	1	Exhaust

Massena,	New	York

Parameter Run	1 Run	2 Run	3

Run	Date 30Apr13 30Apr13 01May13

Start/Stop	Time 1043/1501 1610/2026 0825/1230

Duration	of	Run,	Minutes 240 240 240

Ave.	Nozzle	Diameter,	inches 0.225 0.225 0.225

Pitot	Calibration	Factor,	CF 0.84 0.84 0.84

Meter	Gamma 1.005 1.005 1.005

Meter	Delta	H,	inches	of	H2O 1.67 1.67 1.67

Stack	Diameter,	inches 14 14 14

Rectangular	Width,	inches

Rectangular	Length,	inches

Stack	Area,	sq.ft. 1.07 1.07 1.07

Barometric	Pressure,	inches	of	Hg 30.2 30.2 30.37

Static	Pressure,	inches	of	H2O -7.7 -7.7 -7.9

Dry	Gas	Meter	Sample	Volume,	(VM)ft3

Initial 288.383 453.132 615.536

Final 452.646 614.754 776.456

Difference 164.263 161.622 160.92

Ave.	Stack	Temperature,		Ts(F) 82.5 84.5 87.0

Ave.	Meter	Temperature,	Tm(F) 76.4 78.6 74.4

Ave.	Run	Delta	H,	inches	of	H2O 1.46 1.40 1.40

Ave.	Square	Root	of	Delta	P 0.7407 0.7260 0.7254

Moisture	Data

Volume	of	water	collected,	mls 10 10 4

Silica	Gel,	grams 15.1 26.3 27.9

Total	Collected,	mls 25.1 36.3 31.9

ORSAT	Data

%O2 20.90 20.90 20.90

%CO2 0.00 0.00 0.00

%CO

Calculations

Vw(std),	scf	= 1.181 1.709 1.502

Vm(std),	dscf	= 164.593 161.273 162.725

Bws= 0.007 0.010 0.009

Md= 28.84 28.84 28.84

Ms= 28.76 28.72 28.74

Vs,	ft/sec	= 42.4 41.7 41.6

Qs,	acfm	= 2,722 2,675 2,671

Qs(std),	dscfm	= 2,605 2,542 2,543

Isokinetic	Sampling	Rate,	% 101.9 102.4 103.2

Where:

Vw(std)	=	volume	of	water	vapor	in	gas,	standard	conditions	=	0.04707*Vlc

Vm(std)	=	vol.	of	gas	sampled,	standard	conditions	=	17.647	x	Vm	x	gamma	x	[Pb	+	(dH/13.6)]/Tm(R)

Bws	=		water	vapor	in	gas	stream,	proportion	by	volume	=	Vw(std)/(Vm(std)	+	Vw(std))

Md	=	molecular	weight	of	stack	gas,	dry	basis	=	(0.44	x%CO2)	+	(0.32	x%O2)	+	[0.28	x	(%N2	+	%CO)]

Ms	=	molecular	weight	of	stack	gas,	wet	basis	=	[Md	x	(1-Bws)]	+	(18.0	x	Bws)

Vs	=	stack	gas	velocity	=	85.49	x	Cp	x	(avg.	Sq.Rt.	dP)	x	[Sq.Rt.	(Ts(R))/(Ms	x	Ps)]

Qs	=	stack	gas	flow	rate	=	Vs	x	As	x	60

Qs(std)	=	stack	gas	flow	rate,	standard	conditions	=	Qs	x	(1-Bws)	x	(528/(Ts(R))	x	(Ps/29.92)

Isokinetic	sampling	rate	=	{(Ts(R))	x	[(0.00267	x	Vlc)	+	(Vm(std)/17.647)]	x	100}/(Time	x	vs	x	Ps	x	An	x60)

C:\PROGRA~2\Documentum\CTS\docbases\ProDocbase\config\temp_sessions\4301026855890392382\09000064819454fb
Hexavalent	Chromium	Results	Summary

ALCOA	Massena	-	East	Plant

Line	1	Exhaust

Massena,	New	York

Run	1 Run	2 Run	3 Average

Parameter: (Total	ug) (mg/dscm) (g/min) (lb/hr) (Total	ug) (mg/dscm) (g/min) (lb/hr) (Total	ug) (mg/dscm) (g/min) (lb/hr) (mg/dscm) (g/min) (lb/hr)

Hexavalent	Chromium 0.2 4.29E-05 3.17E-06 4.19E-07 0.7 1.53E-04 1.10E-05 1.46E-06 <0.3 <6.51E-05 <4.69E-06 ####### 8.71E-05 6.30E-06 8.33E-07

Where:

Total	ug=	Total	sample	collected,	micrograms

mg/dscm	=	grams	of	pollutant	per	dry	standard	cubic	meter	=	(ug/dscf	)	x	(35.314	cubic	feet/cubic	meter)	x	(1	mg/1.00E+03	ug)

g/min	=	grams	per	minute,	emission	rate	=	ug/dscf		x		DSCFM	x	1	gram/1.00E+06	ug

lb/hr	=	pounds	per	hour	emission	rate	=	g/min	x	60	min/hour/(453.59	g/lb)

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