41) SULFURIC ACID
Manufacturer: SCHOLLS CORPORATION
Index Date: 1985-02-01


42) OPTOSIL
Manufacturer: UNITEK CORPORATION
Index Date: 1987-03-30

43) POLYPHOS
Manufacturer: OLIN CORPORATION
Index Date: 1980-06-23

44) ALODINE 1201
Manufacturer: HENKEL CORPORATION
Index Date: 1989-03-30

45) MAGNESIUM HYDROXIDE
Manufacturer: ALDON CORPORATION
Index Date: 1990-03-12

46) MALONIC ACID
Manufacturer: ALDON CORPORATION
Index Date: 1992-12-09

47) FERRIC NITRATE
Manufacturer: ALDON CORPORATION
Index Date: 1996-01-05

48) DIMETHYLFORMAMIDE
Manufacturer: BASF WYANDOTTE CORPORATION
Index Date: 1985-09-13

49) TEXOSOLV
Manufacturer: TEXO CORPORATION
Index Date: 1988-12-31

50) ARGON
Manufacturer: UNION CARBIDE CORPORATION
Index Date: 1986-12-01