NYC-WTC_000220498

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR ICALCULATION FOR pSHA lD12ia25<^| METALS IN AIR, VIA CASSETTE fLITER (37MM MILUPORE) & MOBILE VACUUM PUMPS |A°> Concentration of Analyte in sample solution (pg/ml) or (mg/L) I jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) jSSV= Sample Solution Volume ASSV°< Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I •BSV=Blank Sample Volume BBSVsBlank concentration X Blank Sample Volume AV I !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) !rABSV= Reagent Blank Sample Volume I JD” Dilution Factor (NONE) I Ino gravimetic factors TB^ TRIP/FIELI) BLANK I For the Trip Blank Analytical Value: i AR= (B X BSV) - (RAB X RABSVl I IAV= Air Volume Sampled |AR=Analytical Result i AV I I ARR=Analyti^al ^ej|>2^r^lejkml^^ mg/^m’ (rounded^fi^ 3-sigms^

;i-B(mgZij BSVlffiE) TB^fBSV = BBSV RABtmg/l-) RABsV(mt) gfBhWkMWRl ■^AV’Dters AR/AV ANALYTE sARRmg/n^O 0.073 100 7.3 0.087 100 8.7 -1.4 30 -0.0466667 Aluminum- Al <0.01 ojoi'i 100 1.1 ■“04? 100 14.1 -13 30 -0.4333333 Antimony-Sb <0.01 ....... o?66'2 100 0.2 ■“0069 100 6.9 -6.7 30 -0.2233333 Arsenic-As <0.01 6?o62... 100 0.2 ■"0.002 100 6^ 0 30 0 Barium-Ba <0.01 100 0 ■"0.062 100 0.2 -0.2 30 -0.0066667 Beryllium-Be <0.01 ....... 'o?o"di 100 0.1 ■"0.064 100 0.4 -0.3 30 -0.01 Cadmium-Cd <0.01 ......... '6’273 100 27.3 ■"6'46\ 100 46.1 -18.8 30 -0.6266667 Calcium-Ca <0.01 0:66'5 100 0.5 ■"0.062 100 0.2 0.3 30 0.01 Chrotnium-Cr 0.01 0:66'9 100 0.9 ■"6'027 100 2.7 -1.8 30 -0.06 Copper-Cu <0.01 '6:63'6 100 3.6 ■“OJlT 100 11.1 -7.5 30 -0.25 Iron-Fe <0.01 '6:66'7 100 0.7 ■"6'.6‘2i' 100 2.1 -1.4 30 -0.0466667 Lead-Pb <0.01 0:65'7 100 5.7 ■"0J12 100 11.2 -5.5 30 -0.1833333 Magnesium-Mg <0.01 0:665 100 0.5 "'6.608 100 0.8 -0.3 30 -0.01 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H -0.001 100 -0.1 0 100 0 -0.1 30 -0.0033333 Nickel-NI <0.01 1"^ '"'o^o'q'i' 100 9.1 ■0J15 100 11.5 -2.4 30 -0.08 Potassium-K <0.01 I—i s 100 -0.1 "o'oe's 100 6.8 -6.9 30 -0.23 Selenium-Se <0.01 o -0.002 100 -0.2 -6''o'6'i‘ 100 -0.1 -0.1 30 -0.0033333 Silver-Ag <0.01 o o "'''l"4?7 100 141.7 ■2.167 100 210.7 -69 30 -2.3 Sodium-Na <0.01 I o '''-'o?o6i' 100 -0.1 -6'.'o'6'5 100 -0,5 0.4 30 0.0133333 Thallium-TI 0.01 o ""■oToa'i 100 3.1 '6'6'29' 100 2.9 0.2 30 0.0066667 Zinc-Zn <0.01 CO CO LAB ID #01100376-008 CR NYCDEP - TRIP/FIELD BLANK Pll pq/MyrnCD-M* lOmTR vic

NYC-WTC_000220513