NYC-WTC_000220560

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

o o i o fCALCULATION FOR OSHA ID121/125G -METALS IN AIR VIA CASSETTEFILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR

J co

I I ■D o jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) c o o t; I CT ro jB=Conccntration of Blank in sample solution (pg/ml) or (mg/L) o' KJ o cn ■SSV= Sample Solution Volume ASSV^ Analyte concentration x Sample/Solution Volume AR= (A X SSV) - (B X BSV) I ■D o 3. o ■ BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sat i^lc Volume AV 03

JrAB= Reagent Blank Concentration (pg/ml) or (mg/L) I■ o o * o I c !rABSV= Reagent Blank Sample Volume 3 CD 5d= Dilution Factor (NONE) Ino gravimetic factors TB-TRIP/FIEW BLANK For the Trip Blank Analytical Value: IAV= Air Volume Sampled AR=: (B X BSV) - (RAB X RABSV) 'S IAR=Ansdytical Result :? AV I IA]^=/^alytij^ ’ —

TB (mg/L) BSV (mL) TB x TBSV = BBSV RABOng/ylRABSVOnulRA^^ rfB-RAB = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.106 100 10.6 0.125 100 5^7 -1.9 30 -0.0633333 Aluminum- Al <0.01 0?043 100 4.3 0.075 100 7; -3.2 30 -0.1066667 Antimony-Sb <0.01 O?622 100 2.2 0.051' 100 5, I S -2.9 30 -0.0966667 Arsenic-As <0.01 0?002 100 0.2 o.'o'62 100 0, IS 0 30 0 Barium-Ba <0.01 o?6oi 100 0.1 o.'o’62 100 0 -0.1 30 -0.0033333 Beryllium-Be <0.01 ■....... 'owT 100 0.1 o.'o’62 100 -0.1 30 -0.0033333 Cadmium-Cd <0.01 O;364 100 36.4 .0^2 100 -5.6 30 -0.1866667 Calcium-Ca <0.01 . ..... o?6T5 100 1.3 0016 100 ”lp -0.1 30 -0.0033333 Chromium-Cr <0.01 0?004 100 0.4 0.006 100 -0.2 30 -0.0066667 Copper-Cu <0.01 0?i86 100 18.6 ^122 100 121 6.4 30 0.2133333 Iron-Fe 0.21 100 2.2 0.005 100 0.5 1.7 30 0.0566667 Lead-Pb 0.06 0.068 100 6.8 0.072‘ 100 7.2 -0.4 30 -0.0133333 Magnesium-Mg <0.01 0,079 100 7.9 0.^8 100 6.8 1.1 30 0.0366667 Manganese-Mn 0.04 100 100 30 Mercury-Hg <0.01 o H 0.003 100 0.3 0.005 100 0.5 -0.2 30 -0.0066667 Nickel-NI <0.01 K ■0J43 100 14.3 ■"O.T94' 100 19.4 -5.1 30 -0.17 Potassium-K <0.01 I to ’"b'.oe's I o '"ojoai 0.0001 'T?5O4 100 100 100 3.1 0.01 150.4 ■""i?46 100 100 100 6.5

146 0 -3.4 0.01 4.4 30 -0.1133333 Selenium-Se 30 0. MHB3333 Silver-Ag 30 0.1466667 Sodium-Na <0.01 <0.01 0.15 o I o ■-o?6bT 100 -0.1 '"^76oi' 100 -0.1 0 30 0 Thallium-TI <0.01 o "6?O25 100 2.5 ”O.T58 100 15.0 -13.3 30 -0.4433333 Zinc-Zn <0.01 CO LAB ID #01100327-007 I CO CR i CO NYCDEP - TRIP/FIELD BLANK c:/JEM FILES/NYCDEP-HAZMAT/m01100327.xls IS 5