NYC-WTC_000233682

NYC 9/11 Public Portal Document

RESPONSE GUIDEEINES

3.3 Sample Containers

Sample Type Container Container ISO. Dechlorinating Preser\ative Analytical Reference Size Type Agent Technique Methods CHEMISTRY - BASIC SCREEN (Established Techniques)

Organic Analytes Volatiles 40 mL Glass w / Teflon 5 Ascorbic acid 1:1 HCltopH<2 P&T-GC/MS EPA 524.2, faced septa See method. 8260B P&T- EPA 502.2, GC/PID/ELCD 802 IB Seini-volatiles 1L Amber w / 4 Sodium sulfite 6MHC1. See SPE GC/MS 525.2, Teflon-lined method. 8270D/3535 screw caps Quarternary 1L Amber PVC or 4 Sodium Sulfuric acid to pH 2 SPL HPLC- UV 549.2 nitrogen silanized glass thiosulfate compounds Carbamate 40 mL Glass w / Teflon 4 Sodium Potassium HPLC-fluorescence 531.2 Pesticides faced septa thiosulfate dihydrogen citrate sample pH to ~3.8 Inorganic Analytes Metals/Elements 125 mL Plastic 2 None Trace metal grade ICP-MS__________ 200.8 (i.e. HPDE) nitric acid. See ICP-AES_________ 200.7 method. AA______________ 200.9 Organometallic 125 mL Plastic 2 None Nitric acid to pH <2. AA - cold vapor 245.1 compounds (i.e. HPDE) See method. manual__________ AA - cold vapor 245.2 automater Cyanide 1L Plastic 2 Ascorbic acid Sodium hydroxide to Titrimetric 335.2 o pH 12. See method. Spectrophotometric H Colorimetric UV 335.3

S Radiological 2L Plastic 2 None None - mark samples Gross alpha, gross 900 Series o not preserved beta, gamma o o isotopes, specific I radionuclides o o 44^ SO SO 32 Interim Final - August 2004

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