NYC-WTC_000210784

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR ’ ICALCULATION FOR OSHA ID121/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS jA- Concentration of Analyte in sample solution (pg/ml) or (mg/L) 1 jBaConcentratioh nf Blank in sample solution (pg/ml) or (mg/L) ■SSV-Sample Solution Volume ASSV“ Analyte concentration x Sample Solution Volume ” AR= (A X SSV) - IB X BSV) .BSV=Blank Sample Volume BBSVsBIank concentration x Blank Sample Volume AV .RAB= Reagent Blank Concentration (|ig/mt) or (mg/L) ! RABSV- Reagent Blank Sample Volume 5d» Dilution Factor (NONE) Ino graviMetic factors For the Trip Blank Analytical Value: IAV- Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) 1AJR= Analytical Result AV IARR-Analytic^ Rejmrt^lc_RcmltJn m^m^:^(roande<i^^ to 3-sIgma)

U(mb/L):i SSVS Ax SSV = ASSV 'B?(mg/L) iBSvf(mt) Of&SVl BBSV i^sVfBSiSV^AR AV Liters -/ AR/AV. ; WANALYTE?' S /5ARR 0.078 100 7.8 0.073 100 7.3 0.5 30 0.0166667 Aluminum-Al 0.02 "■6.616''' 100 1.6 o'oii' 100 1.1 0.5 30 0.0166667 Antimony-Sb 0.02 ■"6.667''' 100 0.7 b'ooa 100 0.2 0.5 30 0.0166667 Arsenic-As 0.02 ■"6.662'" 100 0.2 d'boa 100 0.2 0 30 0 Barium-Ba <0.01 .... '6 100 0 100 0 0 30 0 Beryllium-Be <0.01 ..... 0....... 100 0 0.061 100 0.1 -0.1 30 -0.0033333 Cadmium-Cd <0.01 ■"6.'3'66"' 100 30.6 0573 100 27.3 3.3 30 0.11 Calcium-Ca 0.11 ■"6.663"" 100 0.3 0.665 100 0.5 -0.2 30 -0.0066667 Chromium-Cr <0.01 '"o'.'o'ii""' 100 1.1 0.669 100 0.9 0.2 30 0.0066667 Copper-Cu <0.01 ■'"6.6i7"“ Too 1.7 b’b36 100 3.6 Tq 30 -0.0633333 Iron-Fe ^661 '6..... 100 0 6.667 100 “O T -0.7 30 -0.0233333 Lead-Pb <0.01 ■■"6.659'"’ 100 5.9 6.65'7 100 5.7 0.2 30 0.0066667 Magnesium-Mg <0.01 ■"6.61'2'" 100 1.2 6.'o'6'5' 100 0.5 0.7 30 0.0233333 Manganese-Mn 0.02 o 100 100 30 Mercury-Hg <0.01 H 0 100 0 -0.001 100 -0.1 0.1 30 0.0033333 Nickel-NI <0.01

Si K 100 58.6 ■—0.09T 100 9.1 49.5 30 1.65 Potassium-K 1.65 I to 100 -0.6 "-0.00T 100 30 -0.0166667 Selenium-Se

w -0.1 -0.5 <0.01 S 100 -0.2 “-0'062 100 -0.2 0 30 0 Silver-Ag o <0.01 o 100 85 ■■■T4i7 100 141.7 -56.7 30 -1.89 Sodium-Na <0.01 o I o 6 100 0 "-d'.boT 100 -0.1 0.1 30 0.0033333 Thallium-TI <0.01 o to b'b'is' 100 1.8 “'6.63Y 100 3.1 -1.3 30 -0.0433333 Zinc-Zn <0.01 co cn LAB ID #01100376-005 o wo NYCDEP -ATLANTIC AV & SMITH STR. BROOKLYN c:/JEM FILES/NYCDEP-HA7MAT/M01100376 xIs 'a.f

NYC-WTC_000210793