petroleum hydrocarbon solvents second revision low aromatic grade solvent 145 205 to to is 1745 1978 reaffirmed 2000 with additional requirements of icf md spec 045 issue status 02 rev no 03 dated 14 06 2007 warranty period 12 months after the date of delivery quantity tolerance 5 age item category normal total po value variation permitted max 8 lacs