Avogadro Group LLC, The

Client Sample ID: 1-MM-2-FH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-007 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095420

Arsenic Arsenic 0.73 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AA LXAX51AA

Dilution Factor: 1 MDL............: 0.075

Beryllium Beryllium 0.038 B 0.038 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AC LXAX51AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.14 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AD LXAX51AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.91 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AE LXAX51AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 1.9 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AF LXAX51AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 6.9 J 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AG LXAX51AG

Dilution Factor: 1 MDL............: 0.013

Nickel 4.1 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AH LXAX51AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.95 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AJ LXAX51AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.093 B 0.093 B 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AK LXAX51AK

Dilution Factor: 1 MDL............: 0.0054

Selenium Selenium 0.28 B,G 0.28 B,G 0.45 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX51AL LXAX51AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.

B Estimated result. Result is less than RL.

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.
Avogadro Group LLC, The

Client Sample ID: 1-MM-2-BH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-008 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095421

Arsenic ND 0.30 ug SW846 6020 04/05-04/12/10 LXAX61AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/05-04/12/10 LXAX61AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.019 B 0.019 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AD LXAX61AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.29 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AE LXAX61AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 0.42 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AF LXAX61AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.66 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AG LXAX61AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.70 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AH LXAX61AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.20 J 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AJ LXAX61AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.0097 B 0.0097 B 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AK LXAX61AK

Dilution Factor: 1 MDL............: 0.0054

Selenium Selenium 0.46 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXAX61AL LXAX61AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

B Estimated result. Result is less than RL.

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.
Avogadro Group LLC, The

Client Sample ID: 2-MM-2-FH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-009 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095420

Arsenic Arsenic 0.54 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AA LXAX81AA

Dilution Factor: 1 MDL............: 0.075

Beryllium Beryllium 0.038 B 0.038 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AC LXAX81AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.14 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AD LXAX81AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 1.2 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AE LXAX81AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 1.8 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AF LXAX81AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 7.5 J 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AG LXAX81AG

Dilution Factor: 1 MDL............: 0.013

Nickel 3.9 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AH LXAX81AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.82 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AJ LXAX81AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.065 B 0.065 B 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXAX81AK LXAX81AK

Dilution Factor: 1 MDL............: 0.0054

Selenium ND G 0.45 ug SW846 6020 04/06-04/12/10 LXAX81AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.

B Estimated result. Result is less than RL.

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.
Avogadro Group LLC, The

Client Sample ID: 2-MM-2-BH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-010 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095421

Arsenic ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0E1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0E1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.011 B 0.011 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AD LXA0E1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.30 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AE LXA0E1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 0.18 B 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AF LXA0E1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.41 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AG LXA0E1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.48 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AH LXA0E1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.23 J 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AJ LXA0E1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.014 B 0.014 B 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AK LXA0E1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium Selenium 0.51 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0E1AL LXA0E1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

B Estimated result. Result is less than RL.

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.
Avogadro Group LLC, The

Client Sample ID: 3-MM-2-FH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-011 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095420

Arsenic Arsenic 0.80 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AA LXA0F1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium Beryllium 0.036 B 0.036 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AC LXA0F1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.13 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AD LXA0F1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.50 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AE LXA0F1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 1.5 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AF LXA0F1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 6.0 J 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AG LXA0F1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 3.8 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AH LXA0F1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.72 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AJ LXA0F1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.066 B 0.066 B 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0F1AK LXA0F1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium ND G 0.45 ug SW846 6020 04/06-04/12/10 LXA0F1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.

B Estimated result. Result is less than RL.

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.
Avogadro Group LLC, The

Client Sample ID: 3-MM-2-BH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-012 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095421

Arsenic ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0G1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0G1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.024 B 0.024 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AD LXA0G1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.13 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AE LXA0G1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 0.32 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AF LXA0G1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.93 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AG LXA0G1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.52 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AH LXA0G1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.17 J 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AJ LXA0G1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.021 B 0.021 B 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AK LXA0G1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium Selenium 0.75 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0G1AL LXA0G1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

B Estimated result. Result is less than RL.

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.
Avogadro Group LLC, The

Client Sample ID: FB-MM-FH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-013 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095420

Arsenic Arsenic 0.31 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0H1AA LXA0H1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/06-04/12/10 LXA0H1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium ND 0.15 ug SW846 6020 04/06-04/12/10 LXA0H1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt ND 0.15 ug SW846 6020 04/06-04/12/10 LXA0H1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium ND 0.30 ug SW846 6020 04/06-04/12/10 LXA0H1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.066 B,J 0.066 B,J 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0H1AG LXA0H1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.040 B,J 0.040 B,J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0H1AH LXA0H1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.026 B 0.026 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0H1AJ LXA0H1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony ND 0.30 ug SW846 6020 04/06-04/12/10 LXA0H1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium ND G 0.45 ug SW846 6020 04/06-04/12/10 LXA0H1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.

B Estimated result. Result is less than RL.

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.
Avogadro Group LLC, The

Client Sample ID: FB-MM-BH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-014 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095421

Arsenic ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0L1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0L1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0L1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.014 B 0.014 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0L1AE LXA0L1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 0.15 B 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0L1AF LXA0L1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.25 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0L1AG LXA0L1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.31 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0L1AH LXA0L1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.14 B,J 0.14 B,J 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0L1AJ LXA0L1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0L1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0L1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

B Estimated result. Result is less than RL.

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.
Avogadro Group LLC, The

Client Sample ID: RB-MM-FH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-015 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095420

Arsenic ND 0.30 ug SW846 6020 04/06-04/12/10 LXA0N1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/06-04/12/10 LXA0N1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium Cadmium 0.061 B 0.061 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AD LXA0N1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt 0.022 B 0.022 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AE LXA0N1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium Chromium 0.41 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AF LXA0N1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.71 J 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AG LXA0N1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.40 J 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AH LXA0N1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.11 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AJ LXA0N1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony Antimony 0.011 B 0.011 B 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXA0N1AK LXA0N1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium ND G 1.4 ug SW846 6020 04/06-04/12/10 LXA0N1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

B Estimated result. Result is less than RL.

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.
Avogadro Group LLC, The

Client Sample ID: RB-MM-BH

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556-016 Matrix.......: Matrix.......: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Prep Batch #...: Prep Batch #...: 0095421

Arsenic ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0Q1AA

Dilution Factor: 1 MDL............: 0.075

Beryllium ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0Q1AC

Dilution Factor: 1 MDL............: 0.012

Cadmium ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0Q1AD

Dilution Factor: 1 MDL............: 0.011

Cobalt ND 0.15 ug SW846 6020 04/05-04/12/10 LXA0Q1AE

Dilution Factor: 1 MDL............: 0.0086

Chromium ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0Q1AF

Dilution Factor: 1 MDL............: 0.14

Manganese Manganese 0.071 B 0.071 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0Q1AG LXA0Q1AG

Dilution Factor: 1 MDL............: 0.013

Nickel 0.18 B 0.30 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0Q1AH LXA0Q1AH

Dilution Factor: 1 MDL............: 0.015

Lead 0.058 B,J 0.058 B,J 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXA0Q1AJ LXA0Q1AJ

Dilution Factor: 1 MDL............: 0.0099

Antimony ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0Q1AK

Dilution Factor: 1 MDL............: 0.0054

Selenium ND 0.30 ug SW846 6020 04/05-04/12/10 LXA0Q1AL

Dilution Factor: 1 MDL............: 0.26

NOTE(S): ___________________________________________________________________________________________

B Estimated result. Result is less than RL.

J Method blank contamination. The associated method blank contains the target analyte at a reportable level.
Avogadro Group LLC, The

Client Sample ID: 2-HCL-2-H2S04

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-021 Work Order #...: Work Order #...: LXA06 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid ND G 2.6 mg CFR60A 26A 04/18/10 0109261

Dilution Factor: 5 MDL............: 1.3

Hydrofluoric acid ND G 2.6 mg CFR60A 26A 04/18/10 0109262

Dilution Factor: 5 MDL............: 1.3

NOTE(S): ___________________________________________________________________________________________

RL Reporting Limit

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.

SAMPLE VOLUME = 500 ML
Avogadro Group LLC, The

Client Sample ID: 3-HCL-2-H2S04

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-022 Work Order #...: Work Order #...: LXA07 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid ND G 3.0 mg CFR60A 26A 04/18/10 0109261

Dilution Factor: 5.76 MDL............: 1.5

Hydrofluoric acid ND G 3.0 mg CFR60A 26A 04/18/10 0109262

Dilution Factor: 5.76 MDL............: 1.5

NOTE(S): ___________________________________________________________________________________________

RL Reporting Limit

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.

SAMPLE VOLUME = 480 ML
Avogadro Group LLC, The

Client Sample ID: 4-HCL-2-H2S04

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-023 Work Order #...: Work Order #...: LXA1C Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid ND G 2.8 mg CFR60A 26A 04/18/10 0109261

Dilution Factor: 5.4 MDL............: 1.4

Hydrofluoric acid ND G 2.8 mg CFR60A 26A 04/18/10 0109262

Dilution Factor: 5.4 MDL............: 1.4

NOTE(S): ___________________________________________________________________________________________

RL Reporting Limit

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.

SAMPLE VOLUME = 450 ML
Avogadro Group LLC, The

Client Sample ID: RB-HCL-H2S04

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-024 Work Order #...: Work Order #...: LXA11 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/22/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid ND G 2.7 mg CFR60A 26A 04/18/10 0109261

Dilution Factor: 5.22 MDL............: 1.3

Hydrofluoric acid ND G 2.7 mg CFR60A 26A 04/18/10 0109262

Dilution Factor: 5.22 MDL............: 1.4

NOTE(S): ___________________________________________________________________________________________

RL Reporting Limit

G Elevated reporting limit. The reporting limit is elevated due to matrix interference.

SAMPLE VOLUME = 290 ML
Avogadro Group LLC, The

Client Sample ID: 2-HCL-2-NAOH

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-029 Work Order #...: Work Order #...: LXA2C Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/23/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Total Cyanide ND 0.026 mg CA-4 CARB 426 04/12-04/13/10 0105263

Dilution Factor: 2.63 MDL............: 0.013

NOTE(S): ___________________________________________________________________________________________

RL Reporting Limit

n
Avogadro Group LLC, The

Client Sample ID: 3-HCL-2-NAOH

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-030 Work Order #...: Work Order #...: LXA2D Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Total Cyanide ND 0.026 mg CA-4 CARB 426 04/13/10 0105266

Dilution Factor: 2.55 MDL............: 0.013
Avogadro Group LLC, The

Client Sample ID: 4-HCL-2-NAOH

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-031 Work Order #...: Work Order #...: LXA2F Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Total Cyanide ND 0.024 mg CA-4 CARB 426 04/13/10 0105266

Dilution Factor: 2.4 MDL............: 0.012
Avogadro Group LLC, The

Client Sample ID: RB-HCL-NAOH

General Chemistry

Lot-Sample #...: Lot-Sample #...: G0C300556-032 Work Order #...: Work Order #...: LXA2G Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/22/10 Date Received..: Date Received..: 03/30/10

PREPARATION- PREP

PARAMETER ____________________ RESULT __________ RL_______ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Total Cyanide ND 0.014 mg CA-4 CARB 426 04/13/10 0105266

Dilution Factor: 1.45 MDL............: 0.0072
METHOD BLANK REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

MB Lot-Sample #: MB Lot-Sample #: G0D050000-420 Prep Batch #...: Prep Batch #...: 0095420

Antimony ND 0.30 ug SW846 6020 04/06-04/12/10 LXJWC1AK

Dilution Factor: 1

Arsenic Arsenic 0.20 B 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXJWC1AA LXJWC1AA

Dilution Factor: 1

Beryllium ND 0.15 ug SW846 6020 04/06-04/12/10 LXJWC1AC

Dilution Factor: 1

Cadmium ND 0.15 ug SW846 6020 04/06-04/12/10 LXJWC1AD

Dilution Factor: 1

Chromium ND 0.30 ug SW846 6020 04/06-04/12/10 LXJWC1AF

Dilution Factor: 1

Cobalt ND 0.15 ug SW846 6020 04/06-04/12/10 LXJWC1AE

Dilution Factor: 1

Lead ND 0.15 ug SW846 6020 04/06-04/12/10 LXJWC1AJ

Dilution Factor: 1

Manganese Manganese 0.033 B 0.033 B 0.15 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXJWC1AG LXJWC1AG

Dilution Factor: 1

Nickel 0.026 B 0.026 B 0.30 ug SW846 6020 SW846 6020 04/06-04/12/10 04/06-04/12/10 LXJWC1AH LXJWC1AH

Dilution Factor: 1

Selenium ND 0.45 ug SW846 6020 04/06-04/12/10 LXJWC1AL

Dilution Factor: 1

MB Lot-Sample #: MB Lot-Sample #: G0D050000-421 Prep Batch #...: Prep Batch #...: 0095421

Antimony ND 0.30 ug SW846 6020 04/05-04/12/10 LXJWE1AK

Dilution Factor: 1

Arsenic ND 0.30 ug SW846 6020 04/05-04/12/10 LXJWE1AA

Dilution Factor: 1

Beryllium ND 0.15 ug SW846 6020 04/05-04/12/10 LXJWE1AC

Dilution Factor: 1

Cadmium ND 0.15 ug SW846 6020 04/05-04/12/10 LXJWE1AD

Dilution Factor: 1

(Continued on next page)
METHOD BLANK REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

REPORTING PREPARATION- WORK

PARAMETER _______________ RESULT _____________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ ORDER # ________

Chromium ND 0.30 ug SW846 6020 04/05-04/12/10 LXJWE1AF

Dilution Factor: 1

Cobalt ND 0.15 ug SW846 6020 04/05-04/12/10 LXJWE1AE

Dilution Factor: 1

Lead 0.039 B 0.039 B 0.15 ug SW846 6020 SW846 6020 04/05-04/12/10 04/05-04/12/10 LXJWE1AJ LXJWE1AJ

Dilution Factor: 1

Manganese ND 0.15 ug SW846 6020 04/05-04/12/10 LXJWE1AG

Dilution Factor: 1

Nickel ND 0.30 ug SW846 6020 04/05-04/12/10 LXJWE1AH

Dilution Factor: 1

Selenium ND 0.30 ug SW846 6020 04/05-04/12/10 LXJWE1AL

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.

B Estimated result. Result is less than RL.
LABORATORY CONTROL SAMPLE EVALUATION REPORT

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556 Matrix.........: Matrix.........: AIR

PERCENT RECOVERY RPD PREPARATION- PREPPARAMETER ___________ RECOVERY ________ LIMITS __________ RPD ____ LIMITS ______ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Antimony 86 (77 - 110) SW846 6020 04/06-04/12/10 0095420

88 (77 - 110) 2.1 (0-15) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Arsenic 86 (79 - 110) SW846 6020 04/06-04/12/10 0095420

87 (79 - 110) 0.97 (0-15) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Beryllium 85 (70 - 110) SW846 6020 04/06-04/12/10 0095420

86 (70 - 110) 1.2 (0-15) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Cadmium 87 (79 - 110) SW846 6020 04/06-04/12/10 0095420

89 (79 - 110) 1.8 (0-16) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Chromium 99 (84 - 110) SW846 6020 04/06-04/15/10 0095420

100 (84 - 110) 0.60 (0-15) SW846 6020 04/06-04/15/10 0095420

Dilution Factor: 1

Cobalt 82 (81 - 113) SW846 6020 04/06-04/12/10 0095420

83 (81 - 113) 2.0 (0-17) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Lead 86 (86 - 110) SW846 6020 04/06-04/12/10 0095420

88 (86 - 110) 1.5 (0-15) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Manganese 85 (84 - 110) SW846 6020 04/06-04/12/10 0095420

86 (84 - 110) 1.3 (0-15) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Nickel 98 (86 - 110) SW846 6020 04/06-04/15/10 0095420

97 (86 - 110) 0.71 (0-15) SW846 6020 04/06-04/15/10 0095420

Dilution Factor: 1

Selenium 82 (65 - 110) SW846 6020 04/06-04/12/10 0095420

83 (65 - 110) 1.4 (0-15) SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

(Continued on next page)
LABORATORY CONTROL SAMPLE EVALUATION REPORT

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556 Matrix.........: Matrix.........: AIR

PERCENT RECOVERY RPD PREPARATION- PREPPARAMETER ___________ RECOVERY ________ LIMITS __________ RPD ____ LIMITS ______ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Antimony 83 (77 - 110) SW846 6020 04/05-04/12/10 0095421

84 (77 - 110) 0.60 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Arsenic 80 (79 - 110) SW846 6020 04/05-04/12/10 0095421

80 (79 - 110) 0.62 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Beryllium 78 (70 - 110) SW846 6020 04/05-04/12/10 0095421

79 (70 - 110) 0.58 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Cadmium 83 (79 - 110) SW846 6020 04/05-04/12/10 0095421

83 (79 - 110) 0.54 (0-16) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Chromium 87 (84 - 110) SW846 6020 04/05-04/12/10 0095421

88 (84 - 110) 1.6 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Cobalt 89 (81 - 113) SW846 6020 04/05-04/12/10 0095421

90 (81 - 113) 0.81 (0-17) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Lead 88 (86 - 110) SW846 6020 04/05-04/12/10 0095421

89 (86 - 110) 0.82 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Manganese 91 (84 - 110) SW846 6020 04/05-04/12/10 0095421

92 (84 - 110) 0.79 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Nickel 91 (86 - 110) SW846 6020 04/05-04/12/10 0095421

91 (86 - 110) 0.32 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Selenium 74 (65 - 110) SW846 6020 04/05-04/12/10 0095421

74 (65 - 110) 0.26 (0-15) SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

(Continued on next page)
LABORATORY CONTROL SAMPLE EVALUATION REPORT

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556 Matrix.........: Matrix.........: AIR

PERCENT RECOVERY RPD PREPARATION- PREPPARAMETER ___________ RECOVERY ________ LIMITS __________ RPD ____ LIMITS ______ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
LABORATORY CONTROL SAMPLE DATA REPORT

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556 Matrix.........: Matrix.........: AIR

SPIKE MEASURED PERCNT PREPARATION- PREP

PARAMETER ____________ AMOUNT _______ AMOUNT ________ UNITS ________ RECVRY ______ RPD ____ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Antimony 7.50 6.44 ug 86 SW846 6020 04/06-04/12/10 0095420

7.50 6.58 ug 88 2.1 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Arsenic 30.0 25.9 ug 86 SW846 6020 04/06-04/12/10 0095420

30.0 26.2 ug 87 0.97 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Beryllium 30.0 25.5 ug 85 SW846 6020 04/06-04/12/10 0095420

30.0 25.8 ug 86 1.2 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Cadmium 30.0 26.1 ug 87 SW846 6020 04/06-04/12/10 0095420

30.0 26.6 ug 89 1.8 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Chromium 30.0 29.7 ug 99 SW846 6020 04/06-04/15/10 0095420

30.0 29.9 ug 100 0.60 SW846 6020 04/06-04/15/10 0095420

Dilution Factor: 1

Cobalt 30.0 24.5 ug 82 SW846 6020 04/06-04/12/10 0095420

30.0 25.0 ug 83 2.0 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Lead 30.0 25.9 ug 86 SW846 6020 04/06-04/12/10 0095420

30.0 26.3 ug 88 1.5 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Manganese 30.0 25.4 ug 85 SW846 6020 04/06-04/12/10 0095420

30.0 25.8 ug 86 1.3 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

Nickel 30.0 29.3 ug 98 SW846 6020 04/06-04/15/10 0095420

30.0 29.0 ug 97 0.71 SW846 6020 04/06-04/15/10 0095420

Dilution Factor: 1

Selenium 30.0 24.5 ug 82 SW846 6020 04/06-04/12/10 0095420

30.0 24.8 ug 83 1.4 SW846 6020 04/06-04/12/10 0095420

Dilution Factor: 1

(Continued on next page)
LABORATORY CONTROL SAMPLE DATA REPORT

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556 Matrix.........: Matrix.........: AIR

SPIKE MEASURED PERCNT PREPARATION- PREP

PARAMETER ____________ AMOUNT _______ AMOUNT ________ UNITS ________ RECVRY ______ RPD ____ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Antimony 7.50 6.24 ug 83 SW846 6020 04/05-04/12/10 0095421

7.50 6.28 ug 84 0.60 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Arsenic 30.0 23.9 ug 80 SW846 6020 04/05-04/12/10 0095421

30.0 24.1 ug 80 0.62 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Beryllium 30.0 23.5 ug 78 SW846 6020 04/05-04/12/10 0095421

30.0 23.7 ug 79 0.58 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Cadmium 30.0 24.9 ug 83 SW846 6020 04/05-04/12/10 0095421

30.0 24.8 ug 83 0.54 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Chromium 30.0 26.1 ug 87 SW846 6020 04/05-04/12/10 0095421

30.0 26.5 ug 88 1.6 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Cobalt 30.0 26.8 ug 89 SW846 6020 04/05-04/12/10 0095421

30.0 27.0 ug 90 0.81 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Lead 30.0 26.5 ug 88 SW846 6020 04/05-04/12/10 0095421

30.0 26.7 ug 89 0.82 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Manganese 30.0 27.4 ug 91 SW846 6020 04/05-04/12/10 0095421

30.0 27.6 ug 92 0.79 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Nickel 30.0 27.3 ug 91 SW846 6020 04/05-04/12/10 0095421

30.0 27.3 ug 91 0.32 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

Selenium 30.0 22.1 ug 74 SW846 6020 04/05-04/12/10 0095421

30.0 22.1 ug 74 0.26 SW846 6020 04/05-04/12/10 0095421

Dilution Factor: 1

(Continued on next page)
LABORATORY CONTROL SAMPLE DATA REPORT

TOTAL Metals

Lot-Sample #...: Lot-Sample #...: G0C300556 Matrix.........: Matrix.........: AIR

SPIKE MEASURED PERCNT PREPARATION- PREP

PARAMETER ____________ AMOUNT _______ AMOUNT ________ UNITS ________ RECVRY ______ RPD ____ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
MATRIX SPIKE SAMPLE EVALUATION REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PERCENT RECOVERY RPD PREPARATION- WORK

PARAMETER ___________ RECOVERY ________ LIMITS __________ RPD ____ LIMITS ______ METHOD _________________ ANALYSIS DATE ______________ ORDER # _______

MS Lot-Sample #: MS Lot-Sample #: G0C300556-001 Prep Batch #...: Prep Batch #...: 0095420

Antimony 107 (77 - 110) SW846 6020 04/06-04/12/10 LXAXA1A7

108 (77 - 110) 1.3 (0-15) SW846 6020 04/06-04/12/10 LXAXA1A8

Dilution Factor: 1

Arsenic 83 (79 - 110) SW846 6020 04/06-04/12/10 LXAXA1AN

83 (79 - 110) 0.19 (0-15) SW846 6020 04/06-04/12/10 LXAXA1AP

Dilution Factor: 1

Beryllium 84 (70 - 110) SW846 6020 04/06-04/12/10 LXAXA1AQ

84 (70 - 110) 0.80 (0-15) SW846 6020 04/06-04/12/10 LXAXA1AR

Dilution Factor: 1

Cadmium 90 (79 - 110) SW846 6020 04/06-04/12/10 LXAXA1AT

90 (79 - 110) 0.38 (0-16) SW846 6020 04/06-04/12/10 LXAXA1AU

Dilution Factor: 1

Chromium 94 (84 - 110) SW846 6020 04/06-04/12/10 LXAXA1AX

94 (84 - 110) 0.54 (0-15) SW846 6020 04/06-04/12/10 LXAXA1A0

Dilution Factor: 1

Cobalt 90 (81 - 113) SW846 6020 04/06-04/12/10 LXAXA1AV

90 (81 - 113) 0.21 (0-17) SW846 6020 04/06-04/12/10 LXAXA1AW

Dilution Factor: 1

Lead 100 (86 - 110) SW846 6020 04/06-04/12/10 LXAXA1A5

101 (86 - 110) 0.94 (0-15) SW846 6020 04/06-04/12/10 LXAXA1A6

Dilution Factor: 1

Manganese 94 (84 - 110) SW846 6020 04/06-04/12/10 LXAXA1A1

95 (84 - 110) 0.69 (0-15) SW846 6020 04/06-04/12/10 LXAXA1A2

Dilution Factor: 1

Nickel 88 (86 - 110) SW846 6020 04/06-04/12/10 LXAXA1A3

89 (86 - 110) 0.29 (0-15) SW846 6020 04/06-04/12/10 LXAXA1A4

Dilution Factor: 1

Selenium 68 (65 - 110) SW846 6020 04/06-04/12/10 LXAXA1A9

69 (65 - 110) 0.86 (0-15) SW846 6020 04/06-04/12/10 LXAXA1CA

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
MATRIX SPIKE SAMPLE DATA REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

SAMPLE SPIKE MEASRD PERCNT PREPARATION- WORK

PARAMETER _________ AMOUNT ______ AMT _______ AMOUNT _______ UNITS __________ RECVRY ______ RPD ____ METHOD _____________ ANALYSIS DATE ______________ ORDER # _______

MS Lot-Sample #: MS Lot-Sample #: G0C300556-001 Prep Batch #...: Prep Batch #...: 0095420

Antimony

0.040 7.50 8.03 ug 107 SW846 6020 04/06-04/12/10 LXAXA1A7

0.040 7.50 8.14 ug 108 1.3 SW846 6020 04/06-04/12/10 LXAXA1A8

Dilution Factor: 1

Arsenic

0.22 30.0 25.2 ug 83 SW846 6020 04/06-04/12/10 LXAXA1AN

0.22 30.0 25.2 ug 83 0.19 SW846 6020 04/06-04/12/10 LXAXA1AP

Dilution Factor: 1

Beryllium

0.022 30.0 25.1 ug 84 SW846 6020 04/06-04/12/10 LXAXA1AQ

0.022 30.0 25.3 ug 84 0.80 SW846 6020 04/06-04/12/10 LXAXA1AR

Dilution Factor: 1

Cadmium

0.088 30.0 27.0 ug 90 SW846 6020 04/06-04/12/10 LXAXA1AT

0.088 30.0 27.1 ug 90 0.38 SW846 6020 04/06-04/12/10 LXAXA1AU

Dilution Factor: 1

Chromium

1.5 30.0 29.7 ug 94 SW846 6020 04/06-04/12/10 LXAXA1AX

1.5 30.0 29.8 ug 94 0.54 SW846 6020 04/06-04/12/10 LXAXA1A0

Dilution Factor: 1

Cobalt

0.30 30.0 27.4 ug 90 SW846 6020 04/06-04/12/10 LXAXA1AV

0.30 30.0 27.4 ug 90 0.21 SW846 6020 04/06-04/12/10 LXAXA1AW

Dilution Factor: 1

Lead

0.43 30.0 30.5 ug 100 SW846 6020 04/06-04/12/10 LXAXA1A5

0.43 30.0 30.8 ug 101 0.94 SW846 6020 04/06-04/12/10 LXAXA1A6

Dilution Factor: 1

Manganese

10.3 30.0 38.6 ug 94 SW846 6020 04/06-04/12/10 LXAXA1A1

10.3 30.0 38.8 ug 95 0.69 SW846 6020 04/06-04/12/10 LXAXA1A2

Dilution Factor: 1

(Continued on next page)
MATRIX SPIKE SAMPLE DATA REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

SAMPLE SPIKE MEASRD PERCNT PREPARATION- WORK

PARAMETER _________ AMOUNT ______ AMT _______ AMOUNT _______ UNITS __________ RECVRY ______ RPD ____ METHOD _____________ ANALYSIS DATE ______________ ORDER # _______

Nickel

3.9 30.0 30.3 ug 88 SW846 6020 04/06-04/12/10 LXAXA1A3

3.9 30.0 30.4 ug 89 0.29 SW846 6020 04/06-04/12/10 LXAXA1A4

Dilution Factor: 1

Selenium

ND 30.0 20.5 ug 68 SW846 6020 04/06-04/12/10 LXAXA1A9

ND 30.0 20.7 ug 69 0.86 SW846 6020 04/06-04/12/10 LXAXA1CA

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
MATRIX SPIKE SAMPLE EVALUATION REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PERCENT RECOVERY RPD PREPARATION- WORK

PARAMETER ___________ RECOVERY ________ LIMITS __________ RPD ____ LIMITS ______ METHOD _________________ ANALYSIS DATE ______________ ORDER # _______

MS Lot-Sample #: MS Lot-Sample #: G0C300556-002 Prep Batch #...: Prep Batch #...: 0095421

Antimony 84 (77 - 110) SW846 6020 04/05-04/12/10 LXAXG1A6

85 (77 - 110) 1.3 (0-15) SW846 6020 04/05-04/12/10 LXAXG1A7

Dilution Factor: 1

Arsenic 93 (79 - 110) SW846 6020 04/05-04/12/10 LXAXG1AM

93 (79 - 110) 0.13 (0-15) SW846 6020 04/05-04/12/10 LXAXG1AN

Dilution Factor: 1

Beryllium 79 (70 - 110) SW846 6020 04/05-04/12/10 LXAXG1AP

80 (70 - 110) 2.0 (0-15) SW846 6020 04/05-04/12/10 LXAXG1AQ

Dilution Factor: 1

Cadmium 81 (79 - 110) SW846 6020 04/05-04/12/10 LXAXG1AR

82 (79 - 110) 1.6 (0-16) SW846 6020 04/05-04/12/10 LXAXG1AT

Dilution Factor: 1

Chromium 99 (84 - 110) SW846 6020 04/05-04/12/10 LXAXG1AW

100 (84 - 110) 0.14 (0-15) SW846 6020 04/05-04/12/10 LXAXG1AX

Dilution Factor: 1

Cobalt 95 (81 - 113) SW846 6020 04/05-04/12/10 LXAXG1AU

94 (81 - 113) 0.83 (0-17) SW846 6020 04/05-04/12/10 LXAXG1AV

Dilution Factor: 1

Lead 97 (86 - 110) SW846 6020 04/05-04/12/10 LXAXG1A4

96 (86 - 110) 0.47 (0-15) SW846 6020 04/05-04/12/10 LXAXG1A5

Dilution Factor: 1

Manganese 100 (84 - 110) SW846 6020 04/05-04/12/10 LXAXG1A0

99 (84 - 110) 0.65 (0-15) SW846 6020 04/05-04/12/10 LXAXG1A1

Dilution Factor: 1

Nickel 96 (86 - 110) SW846 6020 04/05-04/12/10 LXAXG1A2

95 (86 - 110) 1.2 (0-15) SW846 6020 04/05-04/12/10 LXAXG1A3

Dilution Factor: 1

Selenium 104 (65 - 110) SW846 6020 04/05-04/12/10 LXAXG1A8

105 (65 - 110) 0.56 (0-15) SW846 6020 04/05-04/12/10 LXAXG1A9

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
MATRIX SPIKE SAMPLE DATA REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

SAMPLE SPIKE MEASRD PERCNT PREPARATION- WORK

PARAMETER _________ AMOUNT ______ AMT _______ AMOUNT _______ UNITS __________ RECVRY ______ RPD ____ METHOD _____________ ANALYSIS DATE ______________ ORDER # _______

MS Lot-Sample #: MS Lot-Sample #: G0C300556-002 Prep Batch #...: Prep Batch #...: 0095421

Antimony

0.017 7.50 6.30 ug 84 SW846 6020 04/05-04/12/10 LXAXG1A6

0.017 7.50 6.39 ug 85 1.3 SW846 6020 04/05-04/12/10 LXAXG1A7

Dilution Factor: 1

Arsenic

0.12 30.0 28.0 ug 93 SW846 6020 04/05-04/12/10 LXAXG1AM

0.12 30.0 28.0 ug 93 0.13 SW846 6020 04/05-04/12/10 LXAXG1AN

Dilution Factor: 1

Beryllium

ND 30.0 23.6 ug 79 SW846 6020 04/05-04/12/10 LXAXG1AP

ND 30.0 24.0 ug 80 2.0 SW846 6020 04/05-04/12/10 LXAXG1AQ

Dilution Factor: 1

Cadmium

0.017 30.0 24.2 ug 81 SW846 6020 04/05-04/12/10 LXAXG1AR

0.017 30.0 24.6 ug 82 1.6 SW846 6020 04/05-04/12/10 LXAXG1AT

Dilution Factor: 1

Chromium

ND 30.0 30.0 ug 99 SW846 6020 04/05-04/12/10 LXAXG1AW

ND 30.0 30.0 ug 100 0.14 SW846 6020 04/05-04/12/10 LXAXG1AX

Dilution Factor: 1

Cobalt

0.077 30.0 28.5 ug 95 SW846 6020 04/05-04/12/10 LXAXG1AU

0.077 30.0 28.2 ug 94 0.83 SW846 6020 04/05-04/12/10 LXAXG1AV

Dilution Factor: 1

Lead

0.21 30.0 29.2 ug 97 SW846 6020 04/05-04/12/10 LXAXG1A4

0.21 30.0 29.1 ug 96 0.47 SW846 6020 04/05-04/12/10 LXAXG1A5

Dilution Factor: 1

Manganese

0.50 30.0 30.4 ug 100 SW846 6020 04/05-04/12/10 LXAXG1A0

0.50 30.0 30.2 ug 99 0.65 SW846 6020 04/05-04/12/10 LXAXG1A1

Dilution Factor: 1

(Continued on next page)
MATRIX SPIKE SAMPLE DATA REPORT

TOTAL Metals

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

SAMPLE SPIKE MEASRD PERCNT PREPARATION- WORK

PARAMETER _________ AMOUNT ______ AMT _______ AMOUNT _______ UNITS __________ RECVRY ______ RPD ____ METHOD _____________ ANALYSIS DATE ______________ ORDER # _______

Nickel

0.39 30.0 29.3 ug 96 SW846 6020 04/05-04/12/10 LXAXG1A2

0.39 30.0 28.9 ug 95 1.2 SW846 6020 04/05-04/12/10 LXAXG1A3

Dilution Factor: 1

Selenium

0.63 30.0 31.9 ug 104 SW846 6020 04/05-04/12/10 LXAXG1A8

0.63 30.0 32.1 ug 105 0.56 SW846 6020 04/05-04/12/10 LXAXG1A9

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
METHOD BLANK REPORT

General Chemistry

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

REPORTING PREPARATION- PREP

PARAMETER __________________ RESULT __________ LIMIT _________ UNITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid Work Order #: LX62N1AA MB Lot-Sample #: G0D190000-261

ND 0.51 mg CFR60A 26A 04/17/10 0109261

Dilution Factor: 1

Hydrochloric acid Work Order #: LX9JX1AA MB Lot-Sample #: G0D210000-171

ND 0.51 mg CFR60A 26A 04/19/10 0111171

Dilution Factor: 1

Hydrofluoric acid Work Order #: LX62P1AA MB Lot-Sample #: G0D190000-262

ND 0.53 mg CFR60A 26A 04/17/10 0109262

Dilution Factor: 1

Total Cyanide Work Order #: LX1VM1AA MB Lot-Sample #: G0D150000-263

ND 0.010 mg CA-4 CARB 426 04/12-04/13/10 0105263

Dilution Factor: 1

Total Cyanide Work Order #: LX1WC1AA MB Lot-Sample #: G0D150000-266

ND 0.010 mg CA-4 CARB 426 04/13/10 0105266

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
LABORATORY CONTROL SAMPLE EVALUATION REPORT

General Chemistry

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

PERCENT RECOVERY PREPARATION- PREP

PARAMETER ___________ RECOVERY ________ LIMITS __________ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid Work Order #: LX62N1AC LCS Lot-Sample#: G0D190000-261

101 (90 - 110) CFR60A 26A 04/17/10 0109261

Dilution Factor: 1

Hydrochloric acid Work Order #: LX9JX1AC LCS Lot-Sample#: G0D210000-171

102 (90 - 110) CFR60A 26A 04/19/10 0111171

Dilution Factor: 1

Hydrofluoric acid Work Order #: LX62P1AC LCS Lot-Sample#: G0D190000-262

102 (90 - 110) CFR60A 26A 04/17/10 0109262

Dilution Factor: 1

Total Cyanide Work Order #: LX1VM1AC LCS Lot-Sample#: G0D150000-263

94 (75 - 115) CA-4 CARB 426 04/12-04/13/10 0105263

Dilution Factor: 1

Total Cyanide Work Order #: LX1WC1AC LCS Lot-Sample#: G0D150000-266

98 (75 - 115) CA-4 CARB 426 04/13/10 0105266

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
LABORATORY CONTROL SAMPLE DATA REPORT

General Chemistry

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

SPIKE MEASURED PERCNT PREPARATION- PREP

PARAMETER ____________ AMOUNT _______ AMOUNT ________ UNITS __________ RECVRY ______ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid Work Order #: LX62N1AC LCS Lot-Sample#: G0D190000-261

25.7 26.0 mg 101 CFR60A 26A 04/17/10 0109261

Dilution Factor: 1

Hydrochloric acid Work Order #: LX9JX1AC LCS Lot-Sample#: G0D210000-171

25.7 26.3 mg 102 CFR60A 26A 04/19/10 0111171

Dilution Factor: 1

Hydrofluoric acid Work Order #: LX62P1AC LCS Lot-Sample#: G0D190000-262

26.3 26.9 mg 102 CFR60A 26A 04/17/10 0109262

Dilution Factor: 1

Total Cyanide Work Order #: LX1VM1AC LCS Lot-Sample#: G0D150000-263

0.150 0.141 mg 94 CA-4 CARB 426 04/12-04/13/10 0105263

Dilution Factor: 1

Total Cyanide Work Order #: LX1WC1AC LCS Lot-Sample#: G0D150000-266

0.150 0.147 mg 98 CA-4 CARB 426 04/13/10 0105266

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.
MATRIX SPIKE SAMPLE EVALUATION REPORT

General Chemistry

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

PERCENT RECOVERY RPD PREPARATION- PREP

PARAMETER ___________ RECOVERY ________ LIMITS __________ RPD ____ LIMITS ______ METHOD _________________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid WO#: LXA0V1AE-MS/LXA0V1AF-MSD MS Lot-Sample #: G0C300556-017

98 (75 - 125) CFR60A 26A 04/17/10 0109261

99 (75 - 125) 0.08 (0-20) CFR60A 26A 04/17/10 0109261

Dilution Factor: 4.92

Hydrofluoric acid WO#: LXA0V1AG-MS/LXA0V1AH-MSD MS Lot-Sample #: G0C300556-017

98 (75 - 125) CFR60A 26A 04/17/10 0109262

97 (75 - 125) 0.79 (0-20) CFR60A 26A 04/17/10 0109262

Dilution Factor: 4.92

Total Cyanide WO#: LXA131AC-MS/LXA131AD-MSD MS Lot-Sample #: G0C300556-025

66 N (75 - 115) CA-4 CARB 426 04/12-04/13/10 0105263

57 N (75 - 115) 14 (0-20) CA-4 CARB 426 04/12-04/13/10 0105263

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.

N Spiked analyte recovery is outside stated control limits.
MATRIX SPIKE SAMPLE DATA REPORT

General Chemistry

Client Lot #...: Client Lot #...: G0C300556 Matrix.........: Matrix.........: AIR

Date Sampled...: Date Sampled...: 03/24/10 Date Received..: Date Received..: 03/30/10

SAMPLE SPIKE MEASRD PERCNT PREPARATION- PREP

PARAMETER __________ AMOUNT ______ AMT _______ AMOUNT _______ UNITS __________ RECVRY ______ RPD ____ METHOD _____________ ANALYSIS DATE ______________ BATCH # _______

Hydrochloric acid WO#: LXA0V1AE-MS/LXA0V1AF-MSD MS Lot-Sample #: G0C300556-017

ND 50.6 49.8 mg 98 CFR60A 26A 04/17/10 0109261

ND 50.6 49.8 mg 99 0.08 CFR60A 26A 04/17/10 0109261

Dilution Factor: 4.92

Hydrofluoric acid WO#: LXA0V1AG-MS/LXA0V1AH-MSD MS Lot-Sample #: G0C300556-017

ND 51.8 50.5 mg 98 CFR60A 26A 04/17/10 0109262

ND 51.8 50.1 mg 97 0.79 CFR60A 26A 04/17/10 0109262

Dilution Factor: 4.92

Total Cyanide WO#: LXA131AC-MS/LXA131AD-MSD MS Lot-Sample #: G0C300556-025

ND 0.240 0.161 N mg 66 CA-4 CARB 426 04/12-04/13/10 0105263

ND 0.240 0.140 N mg 57 14 CA-4 CARB 426 04/12-04/13/10 0105263

Dilution Factor: 1

NOTE(S): ____________________________________________________________________________________________

Calculations are performed before rounding to avoid round-off errors in calculated results.

N Spiked analyte recovery is outside stated control limits.