81) ENTEC OPTI-SPERSE 21
Manufacturer: BETZ LABORATORIES INC
Index Date: 1995-09-08


82) 622 ACRYLAMIDE COPOLYMER
Manufacturer: BETZ ENTEC INC
Index Date: 1991-05-24

83) ENTEC OPTI-GUARD MCI
Manufacturer: BETZ LABORATORIES INC
Index Date: 1995-08-29

84) ENTEC 747A
Manufacturer: BETZ LABORATORIES INC
Index Date: 1995-09-02

85) ENTEC 735
Manufacturer: BETZ LABORATORIES INC
Index Date: 1995-09-01

86) POTASSIUM CHROMATE INDICATOR CODE 213
Manufacturer: BETZ ENTEC INC
Index Date: 1988-10-31

87) CPS-6
Manufacturer: BETZ ENTEC INC
Index Date: 1988-10-31

88) ENTEC 402
Manufacturer: BETZ LABORATORIES, INC.
Index Date: 1992-07-24

89) ENTEC 503
Manufacturer: BETZ LABORATORIES INC
Index Date: 1995-09-08

90) ALGICIDE 107L
Manufacturer: BETZ ENTEC INC WATER CHEMISTS DIV
Index Date: 1986-03-01