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 MLAvogadro 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 MLAvogadro 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 MLAvogadro 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 MLAvogadro 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 nAvogadro 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............: 0.013Avogadro 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............: 0.012Avogadro 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............: 0.0072METHOD 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.........: AIRPERCENT 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.........: AIRPERCENT 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.........: AIRPERCENT 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 Beryllium0.022 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 Manganese10.3 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 BerylliumND 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.