NYC-WTC_000220498

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR • I CALCULATION FOR OSHAID121/125G- METALS IN AIR VIA CASSETI'E FILTER (37MM MILLIPQRE) & MOBILE VACUUM PUMPS 1. jA«s Concentration of Analyte in sample solution (pg/ml) or (mg/L) I jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) ■SSV- Sample Solution Volume ASSV- Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I ■BSV-Blank Sample Volume BBSV-Blank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) ! ’ ! RABSV- Reagent Blank Sample Volume I !d- Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: AR= (B X BSV) - (RAB X RABSV) I I AV- Air Volume Sampled lAR-Analytical Result AV I lARR-Ana^ical Reportable Result in mg/m^ (rounded off to 3 si§ma)

A(mg/L) SSVM A x SSV/^ ASSV jfeQl BSV(mL) B^SSV^BBSV ASSV;BSSV = AR AV Liters AR/AV ANALYTE;? 7 ARRn^/n^ 0.08 100 8 0.073 100 7.3 0.7 30 0.0233333 Aluminum-Al 0.02 r"0.i84"“ 100 18.4 ■“"o.oiT 100 1.1 17.3 30 0.5766667 Antimony-Sb 0.58 100 11 ■■"’d.00‘2 100 0.2 10.8 30 0.36 Arsenic-As 0.36 !""o"o‘62"" J.-------------------------------------- 100 0.2 " ‘'b"o ‘6"2 100 0.2 0 30 0 Barium-Ba <0.01 ! 0.002 100 0.2 100 0 0.2 30 0.0066667 Beryllium-Be <0.01 i”(S54"" 100 0.4 ■""o'doi' 100 0.1 0.3 30 0.01 Cadmium-Cd 0.01 r"6‘256""' 100 25.6 ■""0.‘273 100 27.3 -1.7 30 -0.0566667 Calcium-Ca <0.01 !""cibos"' 100 0.8 ""b.'o'65' 100 0.5 0.3 30 0.01 Chromium-Cr 0.01 r"o.dT7"" 100 1.7 ■""d76o9 100 0.9 0.8 30 0.0266667 Copper-Cu 0.03 !""b.T7i"" 100 17.1 0.036 100 3.6 13.5 30 0.45 Iron-Fe 0.45 r'"^ii"~" 100 11 ■■■"ao'oz 100 0.7 10.3 30 0.3433333 Lead-Pb 0.34 r‘'0.045"“' 100 4.5 0.057 100 5.7 -1.2 30 -0.04 Magnesium-Mg <0.01 r^^o^oor^ 100 0.8 ■■"d.do5 100 0.5 0.3 ______ 30 0.01 Manganese-Mn 0.01 o 100 100 30 Mercury-Hg <0.01 H !""b"o'6i"" 100 0.1 -0.001 100 -0.1 0.2 30 0.0066667 Nickel-NI <0.01 ! o'bss"" 100 8.5 ■"0.091' 100 9.1 -0.6 30 -0.02 Potassium-K <0.01 I—i 100 10.4 100 -0.1 10.5 30 0.35 Selenium-Se 0.35 s o ''o'doT"" 100 0.1 -0.002 _____ 100 -0.2 0.3 30 0.01 Silver-Ag 0.01 o r ■T.266"‘' 100 126.6 "■l'.4i7 100 141.7 -15.1 30 -0.5033333 Sodium-Na <0.01 o Io ”6,ooi""' 100 -0.1 ■"-o.'ooT w 0 30 0 Thallium-TI <0.01 o r ■0'.023"‘ 100 2.3 ■"o.'o'sT 100 3.1 -0.8 30 -0.0266667 Zinc-Zn <0.01 CO CO LABTd #01100376-001

NYCDEP - BROADWAY & 31 ST QUEENS c;/JEM FILES/NYCDEP-HAZMAT/M0110037e.xls

NYC-WTC_000220499