NYC-WTC_000220514

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. 631-467-8477 I- J NYCDEP - WTC 5-BORO SAMPLING METALS IN AIR [CALCULATION FOR OSHAID121/125G-METALS IN AIR VIA CASSEj-TE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS j A= Concentration of Analyte ip sample solution ((tg/ml) dr (mg/L) jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) •.. • I 4' I ■SSV” Sample Solution Volume ASSVb Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) !BSV=Blank Sample Volume BBSV«Blank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration1 (pg/ml) or (mg/L) ! RABSV” Reagent Blank Sample Volume I jO” Dilution Factor (NONE) I [NO gravimetic factors 1 I For the Trip Blank Analytical Value: IAV= Air Volume Sampled I AR= (B X BSV) - (RAB X RABSV) I I AR=Analytical Result i AV I I Al^”^alytical Rejwrt^le_Rcsnlt_in m^/m’_(roun^djofft.®^’*£5**) T 0.092 ■"■*0.1*13”’*

****o.bi4***' ssviritL) A^ SSV^SSV 100 100 100 9.2 11.3 1.4 0.068 0.419 0.128 100 100 100 3 'Ssv (mq OSsQSi w ASSVtBSSV ^-AR AVLltlFs 2.4 -30.6 -11.4 30 30 30 I^nXeyteB 0.08 Aluminum- Al -1.02 Antimony-Sb -0.38 Arsenic-As 0.08 <0.01 <0.01 100 0.2 0.002 100 Zjg 0 30 0 Barium-Ba <0.01 0.001 100 0.1 0.003 100 -0.2 30 -0.0066667 Beryllium-Be <0.01 ****0.00*1**** 100 0.1 d'bos 100 ~b6 -0.4 30 -0.0133333 Cadmium-Cd <0.01 ****b*.*5*i9****' 100 51.9 0.31*3 100 31 ’(3 20.6 30 0.6866667 Calcium-Ca 0.69 ■■■■b.*o*69*** 100 0.9 100 ~Lb -0.7 30 -0.0233333 Chromium-Cr <0.01 ****b”d26***' 100 2.6 b".*o*4*7 100 4? -2.1 30 -0.07 Copper-Cu <0.01 ****0.065***' ****b*.*o*67**** ****b*.*o*5i**** 100 100 100 6.5 0.7 5.1 0291 0.044 b.*0*4l' 100 100 100 1 4.1 ■ -22.6 -3.7 1 30 -0.7533333 Iron-Fe 30 -0.1233333 Lead-Pb 30 0.0333333 Magnesium-Mg <0.01 <0.01 0.03 '

■***b*.*0*99**** 100 9.9 ■*6?69 100 0.9 30 0.03 Manganese-Mn 0.03 Q 100 100 30 Mercury-Hg <0.01 H 1 0.001 100 0.1 0.002 100 0J2. -0.1 30 -0.0033333 Nickel-NI <0.01 !****b*.*1*6i* 100 16J 0.272 100 27.2'* -11.1 30 -0.37 Potassium-K <0.01 I—i s i****b*.b*4i* 100 4.1 yi4 100 44 -9.9 30 -0.33 Selenium-Se <0.01 o i****d.’do3 100 0.3 100 0.6' -0.3 30 -0.01 Silver-Ag <0.01 o !****i*.*4*1*9*' o 100 141.9 100 188,4 ■ -46.5 30 -1.55 Sodium-Na <0.01 Io i***^job6 o 100 -0.6 -0.004 100 -OH' -0.2 30 -0.0066667 Thallium-TI <0.01 !****b*.*0*29* 100 2.9 d‘.O28 100 2^ 0.1 30 0.0033333 Zinc-Zn <0.01 CO CO LAB ID #01100592-005

NVCnEP -ATLANTIC AV & SMITH STR. BROOKLYN

NYC-WTC_000220523