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TECHNICAL SPECIFICATIONS FOR HYDRATED LIME The hydrated lime shall be a refned hydrate that has a small median arti!le si"e# $%%d &%' r%erties# hi$h s(r)a!e area# )ree %) sand# and hi$h t%tal * a+ailable Ca,OH-.# )ree %) l(ms %r %ther )%rei$n matter 'hi!h mi$ht inter)ere 'ith the %erati%n %) the !hemi!al )eed )a!ilities/ Hydrated lime shall meet the )%ll%'in$ ind(stry standards0 A11A standard 2.3.43. Certifed t% NSF standard 53 Certifed t% ASTM standards C677438# C9367435a# C.37435 ,tye N %nly-# and C6994 35 The deli+ered hydrated lime shall meet the )%ll%'in$ !hemi!al and hysi!al re:(irements0 Pr%erty Ran$e Ca,OH-. 4T%tal 6;/3< %r $reater Ca,OH-. 4A+ailable 65< %r $reater C3. 3/=< %r less CaCO8 .< %r less Free M%ist(re 3/7< %r less CaSO> 3/9< %r less S(l)(r 4E:(i+alent .>3 m %r less Crystalline Sili!a 3/9< %r less Si3. 3/=< %r less A9.38 3/.< %r less Fe.38 3/35< %r less M$O 3/>< %r less P.3= 933 m %r less MnO .= m %r less 1ater Ins%l(ble Material 8< %r less Se!if! ?ra+ity ./8> Dry 2ri$htness# ?/E 6./3 Median Parti!le Si"e4Sedi$rah . mi!r%n H 9./> 4933 Mesh ,9=3 @m- 933/3< 4.33 Mesh ,7= @m- 66/3< 48.= Mesh ,>= @m- 6>/3< Aarent Dry 2(l Density 4L%%se .. lbs/B)t8 Aarent Dry 2(l Density4 Pa! ed 8= lbsB)t8

Technical Specifications for Hydrated Lime

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TECHNICAL SPECIFICATIONS FOR HYDRATED LIMEThe hydrated lime shall be a refined hydrate that has a small median particle size, good flow properties, high surface area, free of sand, and high total & available Ca(OH)2, free of lumps or other foreign matter which might interfere with the operation of the chemical feed facilities. Hydrated lime shall meet the following industry standards: AWWA standard B202-02 Certified to NSF standard 60 Certified to ASTM standards C977-03, C1097-06a, C207-06 (type N only), and C911-06

The delivered hydrated lime shall meet the following chemical and physical requirements:Property Range

Ca(OH)2 -Total 98.0% or greater

Ca(OH)2 -Available 96% or greater

C02 0.5% or less

CaCO3 2% or less

Free Moisture 0.7% or less

CaSO4 0.1% or less

Sulfur -Equivalent 240 ppm or less

Crystalline Silica 0.1% or less

Si02 0.5% or less

A1203 0.2% or less

Fe203 0.06% or less

MgO 0.4% or less

P205 100 ppm or less

MnO 25 ppm or less

Water Insoluble Material 3% or less

Specific Gravity 2.34

Dry Brightness, G.E 92.0

Median Particle Size-Sedigraph 2 micron

pH 12.4

-100 Mesh (150 m) 100.0%

-200 Mesh (75 m) 99.0%

-325 Mesh (45 m) 94.0%

Apparent Dry Bulk Density -Loose 22 lbs./ft3

Apparent Dry Bulk Density- Packed 35 lbs/ft3