NYC-WTC_000220530

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z z ■< 631-467-8477 5-BORO SAMPLING ■<

o o io jCALCULATlON FOR OSHA ID1217125G-- METALS IN AIR CASSETTE FILTER (37MM MILUPORE) & MOBILE VACUUM PUMPS METALS IN AIR co

I ■D o jA= Concentration of Analyte in sample solution (|xg/ml) or (mg/L) c o o I CT ro jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) o' ro ■D o cn jSSV« Sample Solution Volume ASSV- Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I o Ca3 3. 03 • BSV=Blank Sample Volume BBSV>=Blaiik concentration x Blank Sample Volume AV I O !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) o o I c !rABSV= Reagent Blank Sample Volume 3 Jd= Dilution Factor (NONE) I I CD O

Ino gravimetic factors For the Trip Blank Analytical Value: i AV= Air Volume Sampled I AR= (B X BSV) - (RAB X RABSV) |AR=Analytical Result AV I IARR:=>Ana^icai Rejiortablc Result in m^/m’ (rounded off to 3-sigma)

A (mg/L) SSV(mL) AxSSV = ASSV Bi (m g/L) BSV(ihL) BxBSV^BBSV ASSV-BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.095 100 9.5 0.107 100 -1.2 30 -0.04 Aluminum- Al <0.01 ■“0.214“ 100 21.4 o5? 100 J, 20.4 30 0.68 Antimony-Sb 0.68 ■“0.041'" 100 4.1 -o.'o'o's 100 4.9 30 0.1633333 Arsenic-As 0.16 "'oobe" 100 0.6 ""b'.'o'O4 100 0.4 0.2 30 0.0066667 Barium-Ba <0.01 "'b'b'oi'" 100 0.1 -b.'o'o'i' 100 0.2 30 0.0066667 Beryllium-Be <0.01 ”ob'o3" 100 0.3 100 0.2 30 0.0066667 Cadmium-Cd <0.01 "'b'.'5'l'6" 100 51.6 0.44'2 100 7.4 30 0.2466667 Calcium-Ca 0.25 "‘0.01'7'" 100 1.7 d'.'di'7' 100 0 30 0 Chromium-Cr <0.01 "'0'026'' 100 2.6 "■ o'.ou 100 I 1.2 30 0.04 Copper-Cu 0.04 ■''0.1'25'' i- "'0'02'" 100 12.5 b'b'ss' 100 7.2 30 0.24 Iron-Fe 0.24 100 2 b.o'oe 100 1.4 30 0.0466667 Lead-Pb 0.05 i ■“0.684”' 100 8.4 obi" 100 0.3 30 0.01 Magnesium-Mg 0.01 ■''o'.'o'l'9'" 100 1.9 b'.b'3'i' 100 3.1 -1.2 30 -0.04 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 o I 0.003 100 0.3 0.002 100 0.2 , 0.1 30 0.0033333 Nickel-NI <0.01 H K r“'O215 100 21.5 ”0169 100 16.9 7 4.6 30 0.1533333 Potassium-K 0.15 I r'''o'.b88 100 8.8 '0.033 100 3.3 7 5.5 30 0.1833333 Selenium-Se 0.18

o I r“‘o.66i' I 3.221 100 100 0.1 322.1 ”0552 ■3^ 100 100 0.2 7 337.8 -0.1 -15.7 30 -0.0033333 Silver-Ag 30 -0.5233333 Sodium-Na <0.01 <0.01 o i““-'6jMi' Io 100 -0.1 -0.00'5 100 -0,5 0.4 30 0.0133333 Thallium-TI 0.01 o i''''b'.b'24 100 2.4 "■5?O'2 100 2 0.4 30 0.0133333 Zinc-Zn 0.01 CO CO PED ID #01100166-001 LO NYCDEP-BROADWAY & 31 ST QUEENS "i c:/JEM FILES/NYCDEP-HAZMAT/mO1100166.xls