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DEP Lab Results Report, Pesticide CCV Analysis, Nov 2001

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Laboratory results report for pesticide calibration verification standards showing recovery percentages for various compounds in sample AD25845.

NYC-WTC_000091570–000091576

Folder label: “508 X 10/31/01 A 11/28/01

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NYC 9/11 Public Portal Document

Response Factor Report 105

Method : C:\HPCHEM\1\METHODS\508\120601P.M (Chemstation Integrator) Title : 508 Chlorinated Pesticides Last Update : Thu Dec 06 14:11:09 2001

Calibration Files 1 =PESTC1.D 2 =PESTC2.D 3 =PESTC3.D 4 =PESTC4.D 5 =PESTC5.D 6 =PESTC6.D

Compound 1 2 3 4 5 6 Avg %RSD

1) Propachlor 2.433 2.670 2.284 2.463 E6 7.90 2) g-BHC 4.915 4.382 4.099 4.466 E7 9.28 3) Heptachlor 2.130 2.032 2.084 2.082 E7 2.37 4) Aldrin 5.088 4.677 4.394 4.720 E7 7.39 5) Heptachlor Epoxide 3.182 3.044 2.863 3.029 E7 5.28 6) 4,4-DDE 3.107 2,779 2.574 2.820 E7 9.53 7) Dieldrin 2.993 3.027 3.039 3.020 E7 0.79 8) Endrin 1.251 1.132 1.156 1.180 E7 5.32 9) Methoxychlor 3.975 4.276 4.047 4.099 E6 3.84 10) S 2,4 DDD Surrogate 1.550 1.550 E7 0.00

Signal #2 Calibration Files 1 =PESTC1.D 2 =PESTC2.D 3 =PESTC3.D 4 =PESTC4.D 5 =PESTC5B.D 6 =PESTC6.D Compound 123 4 5 6 Avg %RSD

1) Propachlor 1.692 2.220 2.108 2.007 E5 13.87 2) g-BHC 2.295 2.654 2.657 2.535 E6 8.23 3) Heptachlor 1.050 1.064 1.112 1.075 E6 3.02 4) Aldrin 3.145 3.202 3.380 3.242 E6 3.78 5) Heptachlor Epoxide 2.592 2.562 2.597 2.584 E6 0.73 6) 4,4-DDE 1.826 1.943 1.929 1.899 E6 3.36 7) Dieldrin 1.926 1.764 1.757 1.816 E6 5.28 8) Endrin 8.786 8.700 8.645 8.710 E5 0.82 9) Methoxychlor 4.261 4.717 4.428 4.469 E5 5.16 10) S 2,4 DDD Surrogate 1.153 1.153 E6 0.00

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(#) = Out of Range ### Number of calibration levels exceeded format ### 120601P.M Thu Dec 06 15:09:18 2001 Page 1

_______________ NYC-WTC_000091570

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NYC-WTC_000091570Source: NYC Law Department, mirrored locally

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