Protocol for Third Party Validation of Manufacturer's Certification

Certified Resin
All high density polyethylene resin products listed below meet the requirements established by Section 6.1 in AASHTO M 294 as applied by the PPI Third Party Certification Program.

ADS
GS100

Chevron Phillips Chemical Company
Marlex® C514
Marlex® HP076
Marlex® HP077/9377

Dow Chemical Co.
DGDA 2475

Exxon/Mobil Chemical
HYA-021L
HD7800P
AA53-003

Equistar Chemical LP
Alathon L5332CP (formerly LYHD048)

Formosa Plastics Corporation
Resin FPC HP5221
Resin FPC E602
Resin HL5010
Resin HB5305A

Ineos O&P USA
CP53-30

NOVA Chemicals Corporation
NOVAPOL® HP-Y353-A

Certified Pipe

NTPEP now hosts the 3rd Party Certification program for PIPE; this can be found at
www.ntpep.org