Round Robin 2026.xlsx

	A	B	C	D	E	F	G	H	I	J	K
1	UDOT/Contractor Round Robin 2026
2	Lab Name	Sample	Rice/Gmm	SGC Bulk Specific Gravity	SGC Puck Air Voids	Cylindrical Rut Depth mm	Volumetric Bulk Specific Gravity	Volumetric Puck Air Voids	Hamburg Bulk Specific Gravity	Hamburg Slab Air Voids	Slab Rut Depth mm

3	Central Materials	A	2.418				2.352	2.9%	2.333	3.7%	2.77
4		B*P3	2.427				2.359	2.6%	2.336	3.6%	1.86
5		C*P2
6		D
7		Average	2.423				2.356	2.8%	2.335	3.7%	2.32
8	Region 1 Materials	A	2.421				2.339	3.3%	2.317	4.2%	3.25
9		B	2.417				2.353	2.7%	2.320	4.1%	4.15
10		C
11		D
12		Average	2.419				2.346	3.0%	2.319	4.2%	3.70
13	Region 2 Materials See Foot Note 1	A	2.423				2.353	2.9%	2.340	3.4%	2.79
14		B	2.423				2.335	3.6%	2.330	3.8%	2.41
15		C
16		D
17		Average	2.423				2.344	3.3%	2.335	3.6%	2.60
18	Region 3 Materials	A	2.410				2.351	2.6%	2.289	5.2%	2.47
19		B	2.418				2.351	2.6%	2.296	4.9%	1.83
20		C
21		D
22		Average	2.414				2.351	2.6%	2.293	5.1%	2.15
23	Region 4 Materials	A	2.420				2.347	3.1%	2.301	4.9%	2.70
24		B	2.421				2.346	3.1%	2.316	4.3%	2.40
25		C
26		D
27		Average	2.421				2.347	3.1%	2.309	4.6%	2.55
28	WW Clyde Formally Central Utah	A	2.413	2.320	3.9%	3.96	2.345	2.8%
29		B		2.309	4.3%	4.83
30		C		2.312	4.2%
31		D		2.315	4.1%
32		Average	2.413	2.314	4.1%	4.40	2.345	2.8%
33	Garco Testing Lab	A	2.410	2.320	3.7%	4.02	2.357	2.4%
34		B	2.417	2.328	3.6%	2.67	2.357
35		C		2.329	3.5%
36		D		2.328	3.6%
37		Average	2.414	2.326	3.6%	3.35	2.357	2.4%
38	Geneva Rock	A	2.415	2.322	3.8%	2.59	2.343	3.0%
39		B		2.322	3.8%	2.12
40		C		2.328	3.6%
41		D		2.327	3.6%
42		Average	2.415	2.325	3.7%	2.36	2.343	3.0%
43	Quikrete Formally Kilgore See Foot Note 2	A	2.414	2.319	3.9%		2.342	2.9%
44		B		2.322	3.8%		2.344	3.0%
45		C		2.306	4.5%
46		D		2.305	4.5%
47		Average	2.414	2.313	4.2%		2.343	3.0%
48		A
49		B
50		C
51		D
52		Average
53		A
54		B
55		C
56		D
57		Average
58	Pennsylvania DOT	A	2.407	2.312	3.9%	2.08
59		B		2.312	3.9%	2.14
60		C		2.316	4.2%
61		D		2.306	3.8%
62		Average	2.407	2.312	4.0%	2.11
63		A
64		B
65		C
66		D
67		Average
68	Staker Parson Ogden	A	2.409	2.327	3.5%	2.50	2.337	2.9%
69		B	2.413	2.312	4.1%	3.12	2.346
70		C		2.307	4.3%
71		D		2.306	4.4%
72		Average	2.411	2.313	4.1%	2.81	2.342	2.9%
73	Western Rock	A	2.419	2.314	4.2%	2.93	2.352	2.7%
74		B	2.413	2.313	4.3%		2.347
75		C		2.315	4.2%
76		D
77		Average	2.416	2.314	4.2%	2.93	2.350	2.7%
78	Idaho Transportation Dept	A	2.427	2.331	3.9%	2.41
79		B	2.425	2.331	3.9%	2.33
80		C		2.331	3.9%
81		D		2.328	4.1%
82		Average	2.426	2.330	4.0%	2.37
83	Montana Transportation Dept	A
84		B
85		C
86		D
87		Average
88		A
89		B
90		C
91		D
92		Average
93	Average All	Average	2.417	2.318	4.0%	2.90	2.347	2.9%	2.318	4.2%	2.66
94		St Dev	0.005	0.007	0.002	0.779	0.005	0.002	0.018	0.006	0.608
95		CV	0.002	0.003	0.057	0.269	0.002	0.083	0.008	0.148	0.228
96
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